学习springmvc基本使用

SpringBasis/.gitignore

@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

SpringBasis/.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.7/apache-maven-3.8.7-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.1/maven-wrapper-3.1.1.jar

SpringBasis/mvnw

@@ -0,0 +1,316 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /usr/local/etc/mavenrc ] ; then
+    . /usr/local/etc/mavenrc
+  fi
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`\\unset -f command; \\command -v java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    if [ -n "$MVNW_REPOURL" ]; then
+      jarUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    else
+      jarUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    fi
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+    if $cygwin; then
+      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+    fi
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        else
+            wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        fi
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl -o "$wrapperJarPath" "$jarUrl" -f
+        else
+            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+        fi
+
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaClass=`cygpath --path --windows "$javaClass"`
+        fi
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  $MAVEN_DEBUG_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" \
+  "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

SpringBasis/mvnw.cmd

@@ -0,0 +1,188 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
+if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
+) else (
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% ^
+  %JVM_CONFIG_MAVEN_PROPS% ^
+  %MAVEN_OPTS% ^
+  %MAVEN_DEBUG_OPTS% ^
+  -classpath %WRAPPER_JAR% ^
+  "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
+  %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
+if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%"=="on" pause
+
+if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
+
+cmd /C exit /B %ERROR_CODE%

SpringBasis/pom.xml

@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.7.9</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>cc.bnblogs</groupId>
+    <artifactId>SpringBasis</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>SpringBasis</name>
+    <description>SpringBasis</description>
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>com.mysql</groupId>
+            <artifactId>mysql-connector-j</artifactId>
+            <version>8.0.32</version>
+        </dependency>
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus-boot-starter</artifactId>
+            <version>3.5.3.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

SpringBasis/src/main/java/cc/bnblogs/springbasis/SpringBasisApplication.java

@@ -0,0 +1,24 @@
+package cc.bnblogs.springbasis;
+
+import cc.bnblogs.springbasis.demo.service.CalculateService;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.WebApplicationType;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.context.annotation.ComponentScan;
+
+@SpringBootApplication
+public class SpringBasisApplication {
+    public static void main(String[] args) {
+//        SpringApplication.run(SpringBasisApplication.class, args);
+        ConfigurableApplicationContext context1 = new SpringApplicationBuilder(SpringBasisApplication.class)
+                .web(WebApplicationType.NONE)
+                .profiles("java7")
+                .run(args);
+
+        CalculateService service = context1.getBean(CalculateService.class);
+        System.out.println("求合结果： " + service.sum(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));
+
+    }
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/config/CherryFactoryBean.java

@@ -0,0 +1,30 @@
+package cc.bnblogs.springbasis.demo.config;
+
+import cc.bnblogs.springbasis.demo.test.Cherry;
+import org.springframework.beans.factory.FactoryBean;
+
+public class CherryFactoryBean implements FactoryBean<Cherry> {
+    /**
+     * 返回注册的组件对象
+     */
+    @Override
+    public Cherry getObject() {
+        return new Cherry();
+    }
+
+    /**
+     *返回需要注册的组件类型
+     */
+    @Override
+    public Class<?> getObjectType() {
+        return Cherry.class;
+    }
+
+    /**
+     *该组件使用单例模式
+     */
+    @Override
+    public boolean isSingleton() {
+        return true;
+    }
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/config/MyCondition.java

@@ -0,0 +1,20 @@
+package cc.bnblogs.springbasis.demo.config;
+
+
+import org.springframework.context.annotation.Condition;
+import org.springframework.context.annotation.ConditionContext;
+import org.springframework.core.type.AnnotatedTypeMetadata;
+
+
+public class MyCondition implements Condition {
+    /**
+     * @param context 上下文信息
+     * @param metadata 注解信息
+     * @return
+     */
+    @Override
+    public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
+        String osName = context.getEnvironment().getProperty("os.name");
+        return osName != null && osName.contains("Windows");
+    }
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/config/MyImportSelector.java

@@ -0,0 +1,15 @@
+package cc.bnblogs.springbasis.demo.config;
+
+import org.springframework.context.annotation.ImportSelector;
+import org.springframework.core.type.AnnotationMetadata;
+import org.springframework.stereotype.Repository;
+
+public class MyImportSelector implements ImportSelector {
+    @Override
+    public String[] selectImports(AnnotationMetadata importingClassMetadata) {
+        return new String[]{
+                "cc.bnblogs.springbasis.demo.test.Apple",
+                "cc.bnblogs.springbasis.demo.test.Banana",
+        };
+    }
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/config/WebConfig.java

@@ -0,0 +1,35 @@
+package cc.bnblogs.springbasis.demo.config;
+
+import cc.bnblogs.springbasis.demo.pojo.User;
+import cc.bnblogs.springbasis.demo.test.Test;
+import org.apache.ibatis.annotations.Mapper;
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.context.annotation.*;
+import org.springframework.stereotype.Controller;
+import org.springframework.stereotype.Repository;
+import org.springframework.stereotype.Service;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/20 18:23
+ */
+@Configuration
+//@ComponentScan(value = "cc.bnblogs.springbasis.demo.pojo")
+@Import({MyImportSelector.class})
+
+public class WebConfig {
+    /**
+     * 通过@Bean注解，我们向IOC容器注册了一个名称为user的组件
+     */
+    @Bean(name = "myUser")
+    @Conditional(MyCondition.class)
+    public User user() {
+        return new User("tom",18);
+    }
+
+    @Bean
+    public CherryFactoryBean cherryFactoryBean() {
+        return new CherryFactoryBean();
+    }
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/controller/UserController.java

@@ -0,0 +1,26 @@
+package cc.bnblogs.springbasis.demo.controller;
+
+import cc.bnblogs.springbasis.demo.mapper.UserMapper;
+import cc.bnblogs.springbasis.demo.pojo.User;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/21 14:59
+ */
+@RestController
+@RequestMapping("user")
+public class UserController {
+    @Resource
+    private UserMapper userMapper;
+    @GetMapping
+    public List<User> getAllUser() {
+        return userMapper.selectList(null);
+    }
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/mapper/UserMapper.java

@@ -0,0 +1,14 @@
+package cc.bnblogs.springbasis.demo.mapper;
+
+import cc.bnblogs.springbasis.demo.pojo.User;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/21 15:00
+ */
+@Mapper
+public interface UserMapper extends BaseMapper<User> {
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/pojo/User.java

@@ -0,0 +1,24 @@
+package cc.bnblogs.springbasis.demo.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/20 18:22
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class User {
+
+    private String name;
+    private Integer age;
+
+//    public User(String name,Integer age) {
+//        this.name = name;
+//        this.age = age;
+//    }
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/service/CalculateService.java

@@ -0,0 +1,5 @@
+package cc.bnblogs.springbasis.demo.service;
+
+public interface CalculateService {
+    Integer sum(Integer... value);
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/service/UserService.java

@@ -0,0 +1,12 @@
+package cc.bnblogs.springbasis.demo.service;
+
+import org.springframework.stereotype.Service;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/21 15:04
+ */
+@Service
+public class UserService {
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/service/impl/Java7CalculateServiceImpl.java

@@ -0,0 +1,19 @@
+package cc.bnblogs.springbasis.demo.service.impl;
+
+import cc.bnblogs.springbasis.demo.service.CalculateService;
+import org.springframework.context.annotation.Profile;
+import org.springframework.stereotype.Service;
+
+@Service
+@Profile("java7")
+public class Java7CalculateServiceImpl implements CalculateService {
+    @Override
+    public Integer sum(Integer... value) {
+        System.out.println("Java 7环境下执行");
+        int result = 0;
+        for (int i = 0; i <= value.length; i++) {
+            result += i;
+        }
+        return result;
+    }
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/service/impl/Java8CalculateServiceImpl.java

@@ -0,0 +1,17 @@
+package cc.bnblogs.springbasis.demo.service.impl;
+
+import cc.bnblogs.springbasis.demo.service.CalculateService;
+import org.springframework.context.annotation.Profile;
+import org.springframework.stereotype.Service;
+
+import java.util.Arrays;
+
+@Service
+@Profile("java8")
+public class Java8CalculateServiceImpl implements CalculateService {
+    @Override
+    public Integer sum(Integer... value) {
+        System.out.println("Java 8环境下执行");
+        return Arrays.stream(value).reduce(0, Integer::sum);
+    }
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/test/Apple.java

@@ -0,0 +1,12 @@
+package cc.bnblogs.springbasis.demo.test;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/21 17:54
+ */
+public class Apple {
+    public Apple() {
+        System.out.println("Apple类初始化成功");
+    }
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/test/Banana.java

@@ -0,0 +1,12 @@
+package cc.bnblogs.springbasis.demo.test;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/21 17:54
+ */
+public class Banana {
+    public Banana() {
+        System.out.println("Banana类初始化成功");
+    }
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/test/Cherry.java

@@ -0,0 +1,12 @@
+package cc.bnblogs.springbasis.demo.test;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/21 18:21
+ */
+public class Cherry {
+    public void sayHello() {
+        System.out.println("hello");
+    }
+}

SpringBasis/src/main/java/cc/bnblogs/springbasis/demo/test/Test.java

@@ -0,0 +1,13 @@
+package cc.bnblogs.springbasis.demo.test;
+
+/**
+ * @description: 测试使用Import导入组件
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/21 17:52
+ */
+
+public class Test {
+    public Test() {
+        System.out.println("Test类初始化成功");
+    }
+}

SpringBasis/src/main/resources/application.yml

@@ -0,0 +1,6 @@
+spring:
+  datasource:
+    username: root
+    password: zfp251217
+    url: jdbc:mysql://192.168.153.135:3306/test?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf-8
+    driver-class-name: com.mysql.cj.jdbc.Driver

SpringBasis/src/main/resources/user.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"
+       xmlns:p="http://www.springframework.org/schema/p">
+    <!--set方法注入属性-->
+    <bean id="user" class="cc.bnblogs.springbasis.demo.pojo.User"
+          p:name="alice" p:age="25">
+        <!--构造方法注入-->
+<!--        <constructor-arg name="name" value="tom"/>-->
+<!--        <constructor-arg name="age" value="18"/>-->
+<!--        <property name="name" value="admin"/>-->
+<!--        <property name="age" value="19"/>-->
+    </bean>
+
+</beans>

SpringBasis/src/test/java/cc/bnblogs/springbasis/SpringBasisApplicationTests.java

@@ -0,0 +1,11 @@
+package cc.bnblogs.springbasis;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class SpringBasisApplicationTests {
+    @Test
+    void contextLoads() {
+    }
+}

SpringBasis/src/test/java/cc/bnblogs/springbasis/pojo/UserTest.java

@@ -0,0 +1,98 @@
+package cc.bnblogs.springbasis.pojo;
+
+import cc.bnblogs.springbasis.SpringBasisApplication;
+import cc.bnblogs.springbasis.demo.config.CherryFactoryBean;
+import cc.bnblogs.springbasis.demo.config.WebConfig;
+import cc.bnblogs.springbasis.demo.pojo.User;
+import cc.bnblogs.springbasis.demo.test.Cherry;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+import org.springframework.context.support.FileSystemXmlApplicationContext;
+
+import java.util.Arrays;
+
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/20 18:26
+ */
+@SpringBootTest
+public class UserTest {
+//    @Autowired
+//    private User user;
+//    @Test
+//    void testUser() {
+//        System.out.println(user);
+//    }
+
+
+    @Test
+    void test1() {
+        // 使用AnnotationConfigApplicationContext来获取相应的IOC容器，入参为配置类
+        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(WebConfig.class);
+        User user = context.getBean(User.class);
+        System.out.println(user);
+        // 查看组件的名称
+        String[] beanNames = context.getBeanNamesForType(User.class);
+        Arrays.stream(beanNames).forEach(System.out::println);
+    }
+
+    @Test
+    void test2() {
+        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(WebConfig.class);
+        // 查看基于注解的 IOC容器中所有组件名称
+        String[] beanNames = context.getBeanDefinitionNames();
+        Arrays.stream(beanNames).forEach(System.out::println);
+    }
+
+    @Test
+    void test3() {
+        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(WebConfig.class);
+        User user1 = context.getBean(User.class);
+        User user2 = context.getBean(User.class);
+        System.out.println(user1 == user2);
+    }
+
+    @Test
+    void test4() {
+        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(WebConfig.class);
+        User user1 = context.getBean(User.class);
+//        User user2 = context.getBean(User.class);
+//        User user3 = context.getBean(User.class);
+//        System.out.println(user1 == user2); // 输出false
+//        System.out.println(user1 == user3); // 输出false
+    }
+
+    @Test
+    void test5() {
+        ApplicationContext context = new AnnotationConfigApplicationContext(WebConfig.class);
+        // 查看基于注解的 IOC容器中所有组件名称
+
+        Object object = context.getBean("&cherryFactoryBean");
+        System.out.println(object.getClass());
+//        context.close();
+    }
+
+    @Test
+    void test6() {
+        ApplicationContext fx = new FileSystemXmlApplicationContext("src/main/resources/user.xml");
+        User user = fx.getBean(User.class);
+        System.out.println(user.getName());
+        System.out.println(user.getAge());
+
+
+//        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(WebConfig.class);
+//        User user = context.getBean(User.class);
+//        System.out.println(user);
+        //        User user = fx.getBean("user", User.class);
+//        System.out.println(user.getAge());
+    }
+
+
+}

mybatis_study/src/main/java/cc/bnblogs/newdemo/NewDemoApplication.java

@@ -1,6 +1,7 @@
 package cc.bnblogs.newdemo;
 
 import cc.bnblogs.newdemo.bean.ConfigBean;
+import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;

mybatis_study/src/main/java/cc/bnblogs/newdemo/controller/UserController.java

@@ -5,6 +5,7 @@ import cc.bnblogs.newdemo.pojo.User;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
+import javax.annotation.Resource;
 import java.util.List;
 import java.util.Map;
 
@@ -16,7 +17,7 @@ import java.util.Map;
 @RestController
 @RequestMapping("/user")
 public class UserController {
-    @Autowired
+    @Resource
     private UserMapper userMapper;
 
     @GetMapping("/all")

mybatis_study/src/main/resources/mapper/userMapper.xml

@@ -19,7 +19,7 @@
     <!--id的值必须和数据处理层的接口名一致-->
     <!--此处的User-->
 
-    <select id="queryAllUser" resultType="User">
+    <select id="queryAllUser" resultType="cc.bnblogs.newdemo.pojo.User">
         select * from user
     </select>
 
@@ -49,7 +49,7 @@
     </delete>
 
 
-    <select id="queryUserById" resultType="User">
+    <select id="queryUserById" resultType="cc.bnblogs.newdemo.pojo.User">
         select * from user where id=#{id}
     </select>
 

springmvcdemo/.idea/.gitignore

@@ -0,0 +1,8 @@
+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

springmvcdemo/.idea/compiler.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile default="true" name="Default" enabled="true" />
+      <profile name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="springmvcdemo" />
+      </profile>
+    </annotationProcessing>
+  </component>
+</project>

springmvcdemo/.idea/encodings.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
+  </component>
+</project>

springmvcdemo/.idea/inspectionProfiles/Project_Default.xml

@@ -0,0 +1,8 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="JavadocDeclaration" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="ADDITIONAL_TAGS" value="description:,author:,date:" />
+    </inspection_tool>
+  </profile>
+</component>

springmvcdemo/.idea/jarRepositories.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Central Repository" />
+      <option name="url" value="https://maven.aliyun.com/repository/public" />
+    </remote-repository>
+  </component>
+</project>

springmvcdemo/.idea/misc.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="FrameworkDetectionExcludesConfiguration">
+    <file type="web" url="file://$PROJECT_DIR$" />
+  </component>
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

springmvcdemo/.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/springmvcdemo.iml" filepath="$PROJECT_DIR$/springmvcdemo.iml" />
+    </modules>
+  </component>
+</project>

springmvcdemo/.idea/uiDesigner.xml

@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Palette2">
+    <group name="Swing">
+      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
+      </item>
+      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.svg" removable="false" auto-create-binding="false" can-attach-label="true">
+        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
+        <initial-values>
+          <property name="text" value="Button" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="RadioButton" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="CheckBox" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="Label" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
+          <preferred-size width="-1" height="20" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
+      </item>
+    </group>
+  </component>
+</project>

springmvcdemo/.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>

springmvcdemo/pom.xml

@@ -0,0 +1,78 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>cc.bnblogs</groupId>
+  <artifactId>springmvcdemo</artifactId>
+  <packaging>war</packaging>
+  <version>1.0-SNAPSHOT</version>
+  <name>springmvcdemo Maven Webapp</name>
+  <url>http://maven.apache.org</url>
+  <dependencies>
+    <!--添加依赖-->
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-webmvc</artifactId>
+      <version>5.3.0</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.projectlombok</groupId>
+      <artifactId>lombok</artifactId>
+      <version>1.18.26</version>
+    </dependency>
+
+    <dependency>
+      <groupId>com.alibaba</groupId>
+      <artifactId>fastjson</artifactId>
+      <version>2.0.25</version>
+    </dependency>
+
+    <dependency>
+      <groupId>javax.servlet</groupId>
+      <artifactId>javax.servlet-api</artifactId>
+      <version>4.0.1</version>
+      <scope>provided</scope>
+    </dependency>
+
+    <dependency>
+      <groupId>commons-io</groupId>
+      <artifactId>commons-io</artifactId>
+      <version>2.11.0</version>
+    </dependency>
+    <!--文件上传-->
+    <dependency>
+      <groupId>commons-fileupload</groupId>
+      <artifactId>commons-fileupload</artifactId>
+      <version>1.5</version>
+    </dependency>
+
+    <!--jstl-->
+    <dependency>
+      <groupId>jstl</groupId>
+      <artifactId>jstl</artifactId>
+      <version>1.2</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.taglibs</groupId>
+      <artifactId>taglibs-standard-impl</artifactId>
+      <version>1.2.5</version>
+      <scope>runtime</scope>
+    </dependency>
+
+    <dependency>
+      <groupId>javax.validation</groupId>
+      <artifactId>validation-api</artifactId>
+      <version>2.0.1.Final</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.hibernate.validator</groupId>
+      <artifactId>hibernate-validator</artifactId>
+      <version>6.0.23.Final</version>
+    </dependency>
+  </dependencies>
+  <build>
+    <finalName>springmvcdemo</finalName>
+  </build>
+</project>

springmvcdemo/springmvcdemo.iml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+    </content>
+  </component>
+</module>

springmvcdemo/src/main/java/cc/bnblogs/controller/ConvertHandler.java

@@ -0,0 +1,27 @@
+package cc.bnblogs.controller;
+
+import cc.bnblogs.entity.Student;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Date;
+
+/**
+ * @description: 测试自定义数据转换器
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 21:03
+ */
+@RestController
+@RequestMapping("convert")
+public class ConvertHandler {
+    @RequestMapping(value = "date",method = RequestMethod.POST)
+    public String getDate(Date date) {
+        return date.toString();
+    }
+
+    @RequestMapping(value = "student",method = RequestMethod.POST)
+    public String getDate(Student student) {
+        return student.toString();
+    }
+}

springmvcdemo/src/main/java/cc/bnblogs/controller/DataHandler.java

@@ -0,0 +1,80 @@
+package cc.bnblogs.controller;
+
+import cc.bnblogs.entity.User;
+import cc.bnblogs.entity.UserList;
+import cc.bnblogs.entity.UserMap;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.Arrays;
+
+/**
+ * @description: SpringMVC数据绑定
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 15:05
+ */
+@RestController
+@RequestMapping("data")
+public class DataHandler {
+    /**
+     * 请求url: http://localhost:8080/data/id?id=10
+     * @param id
+     * @return
+     */
+    @RequestMapping("id")
+    public String getId(Integer id) {
+        System.out.println(id);
+        return id+"";
+    }
+
+    /**
+     * 请求url: http://localhost:8080/data/name?names=aaa&names=bbb&names=cccc
+     * @param names
+     * @return
+     */
+    @RequestMapping("name")
+    public String getNames(String[] names) {
+        return Arrays.toString(names);
+    }
+
+    /**
+     * 返回用户列表，SpringMVC不能直接接收一个List集合，只能将List集合封装为一个类
+     * @param userList 用户数据保存在列表中
+     * @return
+     */
+    @RequestMapping(value = "list",method = RequestMethod.POST)
+    public String list(UserList userList) {
+//        System.out.println(userList); // 输出list中的数据
+        StringBuilder str = new StringBuilder();
+        for (User user : userList.getUsers()) {
+            str.append(user);
+        }
+        return str.toString();
+    }
+
+    /**
+     * 返回用户数据，SpringMVC不能直接接收一个Map，只能将Map封装为一个类
+     * @param userMap 用户数据保存在Map的value中
+     * @return
+     */
+    @RequestMapping(value = "map",method = RequestMethod.POST)
+    public String map(UserMap userMap) {
+//        System.out.println(userMap); // 输出map中的数据
+        StringBuilder str = new StringBuilder();
+        for (String key : userMap.getUsers().keySet()) {
+            User user = userMap.getUsers().get(key);
+            str.append(user);
+        }
+        return str.toString();
+    }
+
+    /**
+     * 接收一个json数据,返回User对象
+     */
+    @RequestMapping(value = "json",method = RequestMethod.POST)
+    public User getJson(@RequestBody User user) {
+        System.out.println("user = " + user);
+        return user;
+    }
+
+
+}

springmvcdemo/src/main/java/cc/bnblogs/controller/FileHandler.java

@@ -0,0 +1,99 @@
+package cc.bnblogs.controller;
+
+import org.apache.commons.io.FileUtils;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.multipart.MultipartFile;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @description: 文件上传和下载
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 23:21
+ */
+@Controller
+@RequestMapping("file")
+public class FileHandler {
+    @PostMapping("upload")
+    public String imgUpload(MultipartFile img, HttpServletRequest request) throws IOException {
+        if (!img.isEmpty()) {
+            // 保存路径: D:\apache-tomcat-9.0.73\webapps\ROOT\files
+            // 每次重启tomcat后会删掉
+            String path = request.getServletContext().getRealPath("files");
+            // 获取上传文件的文件名
+            String name= img.getOriginalFilename();
+            // 存到tomcat安装目录下的bin文件夹下的files文件夹
+            File file = new File(path,name);
+            // 保存内容到文件中
+            img.transferTo(file);
+            // 保存到request中用于回显
+            request.setAttribute("path","/files/" + name);
+        }
+        return "upload";
+    }
+
+    @PostMapping("uploads")
+    public String uploadImages(MultipartFile[] images,HttpServletRequest request) throws IOException {
+        List<String> paths = new ArrayList<String>();
+        for (MultipartFile img: images) {
+            if (!img.isEmpty()) {
+                // 保存路径: D:\apache-tomcat-9.0.73\webapps\ROOT\files
+                // 每次重启tomcat后会删掉
+                String path = request.getServletContext().getRealPath("files");
+                // 获取上传文件的文件名
+                String name= img.getOriginalFilename();
+                // 存到tomcat安装目录下的bin文件夹下的files文件夹
+                File file = new File(path,name);
+                // 保存内容到文件中
+                img.transferTo(file);
+                // 保存到request中用于回显
+                paths.add("/files/"+name);
+            }
+        }
+        request.setAttribute("path",paths);
+        return "uploads";
+    }
+
+    @GetMapping("download/{name}")
+    public void download(@PathVariable("name") String name, HttpServletRequest request,
+                         HttpServletResponse response) throws IOException {
+        if (name != null) {
+            // 加上后缀名
+            if (!name.endsWith(".png")) {
+                name += ".png";
+            }
+            // 下载文件所在路径就在之前上传文件的那个文件夹
+            String path = request.getServletContext().getRealPath("files");
+            // 获取图片
+            File file = new File(path,name);
+            // 创建输出流
+            OutputStream outputStream = null;
+            if (file.exists()) {
+                // 设置响应头和类型
+                response.setContentType("application/force-download");
+                response.setHeader("Content-Disposition","attachment;filename="+name);
+                try {
+                    outputStream = response.getOutputStream();
+                    outputStream.write(FileUtils.readFileToByteArray(file));
+                    outputStream.flush();
+                } catch (IOException e) {
+                    throw new RuntimeException(e);
+                } finally {
+                    if (outputStream != null) {
+                        outputStream.close();
+                    }
+                }
+            }
+        }
+    }
+}

springmvcdemo/src/main/java/cc/bnblogs/controller/HelloHandler.java

@@ -0,0 +1,86 @@
+package cc.bnblogs.controller;
+
+import cc.bnblogs.entity.User;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.*;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 1:03
+ */
+@Controller
+public class HelloHandler {
+    // 入参和params中的参数一一对应，且id必须等于10
+    /**
+     * 请求url：http://localhost:8080/index?name=aaa&id=10
+     * 通过@RequestMapping的params进行参数映射
+     * 数据绑定: 在后端的业务方法中直接获取客户端HTTP请求中的参数，将请求参数映射到业务方法的形参中
+     */
+    @RequestMapping(value = "/index",params = {"name","id=10"})
+    public String index(String name,int id) {
+        System.out.println(name);
+        System.out.println(id);
+        System.out.println("执行了index方法");
+        return "index";
+    }
+
+
+    /**
+     * 请求url：http://localhost:8080/index1?name=aaa&id=10
+     * 使用@RequestParam进行参数映射，将请求中的name参数值赋给str，id参数值赋给number
+     */
+    @RequestMapping(value = "/index1",params = {"name","id=10"})
+    public String index1(@RequestParam("name") String str, @RequestParam("id") int number) {
+        System.out.println(str);
+        System.out.println(number);
+        System.out.println("执行了index1方法");
+        return "index";
+    }
+
+    /**
+     * 编写RESTful风格API
+     * @param name
+     * @param id
+     * @return
+     */
+
+    @RequestMapping("rest/{name}/{id}/")
+    public String rest(@PathVariable("name") String name,@PathVariable("id") int id) {
+        System.out.println("执行了rest方法");
+        return "index";
+    }
+
+    /**
+     * 从cookie中取出sessionId
+     * @param sessionId
+     * @return
+     */
+    @RequestMapping("cookie")
+    public String getSessionId(@CookieValue(value = "JSESSIONID") String sessionId) {
+        System.out.println(sessionId);
+        return "index";
+    }
+
+    @RequestMapping(value = "save",method = RequestMethod.POST)
+    public String save(User user) {
+        System.out.println(user);
+        return "index";
+    }
+
+    @RequestMapping("forward")
+    public String forward() {
+        // 默认就是转发请求，转发请求浏览器地址不会变
+        // 相当于return "index";
+        System.out.println("这是转发请求");
+        return "forward:index.jsp";
+    }
+
+    @RequestMapping("redirect")
+    public String redirect() {
+        // 重定向到index.jsp，重定向请求浏览器地址会变
+        System.out.println("这是重定向请求");
+        return "redirect:index.jsp";
+    }
+
+}

springmvcdemo/src/main/java/cc/bnblogs/controller/RestHandler.java

@@ -0,0 +1,38 @@
+package cc.bnblogs.controller;
+
+import cc.bnblogs.entity.Student;
+import cc.bnblogs.service.StudentService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.Collection;
+
+/**
+ * @description: 使用RESTful风格API
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 22:28
+ */
+@RestController
+@RequestMapping("rest")
+public class RestHandler {
+    @Autowired
+    private StudentService studentService;
+    @GetMapping("all")
+    public Collection<Student> findAllStudents() {
+        return studentService.findAll();
+    }
+    @GetMapping("/")
+    public Student findStudentById(Integer id) {
+        return studentService.findById(id);
+    }
+    @PostMapping("save")
+    public void saveOrUpdateStudent(@RequestBody Student student) {
+        studentService.saveOrUpdate(student);
+    }
+
+    @DeleteMapping("delete")
+    public void deleteStudentById(Integer id) {
+        studentService.deleteById(id);
+    }
+
+}

springmvcdemo/src/main/java/cc/bnblogs/controller/ValidatorHandler.java

@@ -0,0 +1,59 @@
+package cc.bnblogs.controller;
+
+import cc.bnblogs.entity.Account;
+import cc.bnblogs.entity.Person;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import javax.validation.Valid;
+
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/26 17:57
+ */
+@Controller
+@RequestMapping("validator")
+public class ValidatorHandler {
+    @GetMapping("login")
+    public String login(Model model) {
+        // 绑定一个空数据，便于测试jsp
+        model.addAttribute("account",new Account());
+        return "login";
+    }
+
+    @PostMapping("/login")
+    public String login(@Validated Account account, BindingResult bindingResult) {
+        // 表单校验失败，返回登录页面
+        if (bindingResult.hasErrors()) {
+            return "login";
+        }
+        return "index";
+    }
+
+    @GetMapping("person")
+    public String person(Model model) {
+        model.addAttribute("person",new Person());
+        return "person";
+    }
+
+    /**
+     * 校验person数据
+     * @param person
+     * @param bindingResult
+     * @return
+     */
+    @PostMapping("/person")
+    public String person(@Valid Person person, BindingResult bindingResult) {
+        if (bindingResult.hasErrors()) {
+            return "person";
+        }
+        return "index";
+    }
+}

springmvcdemo/src/main/java/cc/bnblogs/controller/ViewHandler.java

@@ -0,0 +1,187 @@
+package cc.bnblogs.controller;
+
+import cc.bnblogs.entity.User;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.servlet.ModelAndView;
+import org.springframework.web.servlet.View;
+import org.springframework.web.servlet.view.InternalResourceView;
+
+import javax.servlet.ServletContext;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpSession;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 17:40
+ */
+@Controller
+@RequestMapping("view")
+//@SessionAttributes(value = "user") // 所有添加到request的键为user的对象都保存到session中
+public class ViewHandler {
+    /**
+     * userMap不再是用来接收参数的，而是保存模型数据用来给view提供数据的
+     * 使用Map保存数据
+     * @param userMap
+     * @return
+     */
+    @RequestMapping("map")
+    public String map(Map<String, User> userMap) {
+        User user = new User();
+        user.setId(18);
+        user.setName("张三");
+        userMap.put("user",user);
+        return "view";
+    }
+
+    /**
+     * 使用Model保存数据
+     * @param model
+     * @return
+     */
+    @RequestMapping("model")
+    public String model(Model model) {
+        User user = new User();
+        user.setId(18);
+        user.setName("张三");
+        model.addAttribute("user",user);
+        return "view";
+    }
+
+    /**
+     * 将模型和数据同时返回
+     * @return
+     */
+    @RequestMapping("modelAndView")
+    public ModelAndView modelAndView() {
+        User user = new User();
+        user.setId(18);
+        user.setName("张三");
+        ModelAndView modelAndView = new ModelAndView();
+        // 添加model数据
+        modelAndView.addObject("user",user);
+        // 添加view
+        modelAndView.setViewName("view");
+        return modelAndView;
+    }
+
+    @RequestMapping("modelAndView1")
+    public ModelAndView modelAndView1() {
+        User user = new User();
+        user.setId(18);
+        user.setName("张三");
+        ModelAndView modelAndView = new ModelAndView();
+        // 添加model数据
+        modelAndView.addObject("user",user);
+        View view = new InternalResourceView("/view.jsp");
+        modelAndView.setView(view);
+        return modelAndView;
+    }
+
+    @RequestMapping("modelAndView2")
+    public ModelAndView modelAndView2() {
+        User user = new User();
+        user.setId(18);
+        user.setName("张三");
+        // 直接提供一个视图的名字
+        ModelAndView modelAndView = new ModelAndView("view");
+        modelAndView.addObject("user",user);
+        return modelAndView;
+    }
+
+    @RequestMapping("modelAndView3")
+    public ModelAndView modelAndView3() {
+        Map<String,User> userMap = new HashMap<String, User>();
+        User user = new User();
+        user.setId(18);
+        user.setName("张三");
+        userMap.put("user",user);
+        // 直接提供一个视图的名字
+        return new ModelAndView("view",userMap);
+    }
+
+    @RequestMapping("modelAndView4")
+    public ModelAndView modelAndView4() {
+        User user = new User();
+        user.setId(18);
+        user.setName("张三");
+        // 直接提供一个视图的名字
+        return new ModelAndView("view","user",user);
+    }
+
+    @RequestMapping("request")
+    public String request(HttpServletRequest request) {
+        User user = new User();
+        user.setId(18);
+        user.setName("李四");
+        request.setAttribute("user",user);
+        return "view";
+    }
+
+    /**
+     * 所有业务方法执行前都会先执行这个方法
+     * request方式获取模型数据
+     * @return
+     */
+//    @ModelAttribute
+    public User getUser() {
+        User user = new User();
+        user.setId(18);
+        user.setName("李四");
+        return user;
+    }
+
+    @RequestMapping("modelAttr")
+    public String getUserAttribute(){
+        return "view";
+    }
+
+
+    /**
+     * session方式获取模型数据
+     * @param request
+     * @return
+     */
+    @RequestMapping("session")
+    public String session(HttpServletRequest request) {
+        HttpSession httpSession = request.getSession();
+        User user = new User();
+        user.setId(18);
+        user.setName("李四");
+        httpSession.setAttribute("user",user);
+        return "view";
+    }
+
+
+    /**
+     * session方式获取模型数据实现方式2
+     * 直接获取session
+     * @param httpSession
+     * @return
+     */
+    @RequestMapping("session2")
+    public String session2(HttpSession httpSession) {
+        User user = new User();
+        user.setId(18);
+        user.setName("李四");
+        httpSession.setAttribute("user",user);
+        return "view";
+    }
+
+    /**
+     * 从application中获取数据
+     */
+    @RequestMapping("application")
+    public String application(HttpServletRequest request) {
+        ServletContext application = request.getServletContext();
+        User user = new User();
+        user.setId(18);
+        user.setName("李四");
+        application.setAttribute("user",user);
+        return "view";
+    }
+}

springmvcdemo/src/main/java/cc/bnblogs/converter/DateConverter.java

@@ -0,0 +1,31 @@
+package cc.bnblogs.converter;
+
+import org.springframework.core.convert.converter.Converter;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+/**
+ * @description: 自定义数据转换器,这里将String类型的数据转化为Date类型
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 20:47
+ */
+public class DateConverter implements Converter<String, Date> {
+    private final String pattern;
+
+    public DateConverter(String pattern) {
+        this.pattern = pattern;
+    }
+
+    public Date convert(String s) {
+        SimpleDateFormat format = new SimpleDateFormat(pattern);
+        Date date = null;
+        try {
+            date = format.parse(s);
+        } catch (ParseException e) {
+            throw new RuntimeException(e);
+        }
+        return date;
+    }
+}

springmvcdemo/src/main/java/cc/bnblogs/converter/StudentConverter.java

@@ -0,0 +1,20 @@
+package cc.bnblogs.converter;
+
+import cc.bnblogs.entity.Student;
+import org.springframework.core.convert.converter.Converter;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 21:26
+ */
+public class StudentConverter implements Converter<String, Student> {
+    public Student convert(String s) {
+        String[] args = s.split("-");
+        Student student = new Student();
+        student.setId(Integer.parseInt(args[0]));
+        student.setName(args[1]);
+        student.setAge(Integer.parseInt(args[2]));
+        return student;
+    }
+}

springmvcdemo/src/main/java/cc/bnblogs/entity/Account.java

@@ -0,0 +1,14 @@
+package cc.bnblogs.entity;
+
+import lombok.Data;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/26 17:49
+ */
+@Data
+public class Account {
+    private String username;
+    private String password;
+}

springmvcdemo/src/main/java/cc/bnblogs/entity/Address.java

@@ -0,0 +1,13 @@
+package cc.bnblogs.entity;
+
+import lombok.Data;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 14:45
+ */
+@Data
+public class Address {
+    private String value;
+}

springmvcdemo/src/main/java/cc/bnblogs/entity/Person.java

@@ -0,0 +1,29 @@
+package cc.bnblogs.entity;
+
+import lombok.Data;
+
+import javax.validation.constraints.Email;
+import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.Pattern;
+import javax.validation.constraints.Size;
+
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/26 18:35
+ */
+@Data
+public class Person {
+    @NotEmpty(message = "用户名不能为空")
+    private String username;
+    @Size(min = 6,max=12,message = "密码必须为6-12位")
+    private String password;
+    @Email(regexp = "^[A-Za-z0-9\u4e00-\u9fa5]+@[a-zA-Z0-9][-a-zA-Z0-9]{0,62}(?:\\.[a-zA-Z0-9][-a-zA-Z0-9]{0,62})+$",message = "请输入正确的邮箱")
+    private String email;
+    @Pattern(regexp = "^(?:(?:\\+|00)86)?1(?:(?:3[\\d])|(?:4[5-79])|\n" +
+            "(?:5[0-35-9])|(?:6[5-7])|(?:7[0-8])|\n" +
+            "(?:8[\\d])|(?:9[189]))\\d{8}$",message = "请输入正确的电话")
+    private String phone;
+
+}

springmvcdemo/src/main/java/cc/bnblogs/entity/Student.java

@@ -0,0 +1,19 @@
+package cc.bnblogs.entity;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 21:21
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class Student {
+    private Integer id;
+    private String name;
+    private Integer age;
+}

springmvcdemo/src/main/java/cc/bnblogs/entity/User.java

@@ -0,0 +1,19 @@
+package cc.bnblogs.entity;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @description: 用户实体类
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 14:18
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class User {
+    private Integer id;
+    private String name;
+    private Address address;
+}

springmvcdemo/src/main/java/cc/bnblogs/entity/UserList.java

@@ -0,0 +1,15 @@
+package cc.bnblogs.entity;
+
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 15:37
+ */
+@Data
+public class UserList {
+    private List<User> users;
+}

springmvcdemo/src/main/java/cc/bnblogs/entity/UserMap.java

@@ -0,0 +1,15 @@
+package cc.bnblogs.entity;
+
+import lombok.Data;
+
+import java.util.Map;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 16:30
+ */
+@Data
+public class UserMap {
+    private Map<String,User> users;
+}

springmvcdemo/src/main/java/cc/bnblogs/service/StudentService.java

@@ -0,0 +1,18 @@
+package cc.bnblogs.service;
+
+import cc.bnblogs.entity.Student;
+
+import java.util.Collection;
+
+/**
+ * @description: Student业务接口
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 22:20
+ */
+public interface StudentService {
+     Collection<Student> findAll();
+     Student findById(Integer id);
+     void saveOrUpdate(Student student);
+     void deleteById(Integer id);
+
+}

springmvcdemo/src/main/java/cc/bnblogs/service/impl/StudentServiceImpl.java

@@ -0,0 +1,43 @@
+package cc.bnblogs.service.impl;
+
+import cc.bnblogs.entity.Student;
+import cc.bnblogs.service.StudentService;
+import org.springframework.stereotype.Service;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @description: Student业务具体实现
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/25 22:21
+ */
+@Service
+public class StudentServiceImpl implements StudentService {
+    private static Map<Integer,Student> studentMap;
+
+    static {
+        studentMap = new HashMap<Integer, Student>();
+        studentMap.put(1,new Student(1,"张三",28));
+        studentMap.put(2,new Student(2,"李四",20));
+        studentMap.put(3,new Student(3,"王五",25));
+
+    }
+
+    public Collection<Student> findAll() {
+        return studentMap.values();
+    }
+
+    public Student findById(Integer id) {
+        return studentMap.get(id);
+    }
+
+    public void saveOrUpdate(Student student) {
+        studentMap.put(student.getId(),student);
+    }
+
+    public void deleteById(Integer id) {
+        studentMap.remove(id);
+    }
+}

springmvcdemo/src/main/java/cc/bnblogs/validator/AccountValidator.java

@@ -0,0 +1,35 @@
+package cc.bnblogs.validator;
+
+import cc.bnblogs.entity.Account;
+import org.springframework.validation.Errors;
+import org.springframework.validation.ValidationUtils;
+import org.springframework.validation.Validator;
+
+/**
+ * @description:
+ * @author: zfp@bnblogs.cc
+ * @date: 2023/3/26 17:52
+ */
+
+public class AccountValidator implements Validator {
+    /**
+     * 是否支持对该数据类型进行验证
+     * @param aClass
+     * @return
+     */
+    public boolean supports(Class<?> aClass) {
+        return aClass.equals(Account.class);
+    }
+
+    /**
+     * 验证的具体逻辑
+     * @param o
+     * @param errors
+     */
+    public void validate(Object o, Errors errors) {
+        // 校验用户名
+        ValidationUtils.rejectIfEmptyOrWhitespace(errors,"username",null,"用户名不能为空或空格");
+        // 校验密码
+        ValidationUtils.rejectIfEmptyOrWhitespace(errors,"password",null,"密码不能为空或空格");
+    }
+}

springmvcdemo/src/main/resources/springmvc.xml

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:context="http://www.springframework.org/schema/context"
+       xmlns:mvc="http://www.springframework.org/schema/mvc"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
+    <!--自动扫描-->
+    <!--扫描的包名和自己项目保持一致-->
+    <context:component-scan base-package="cc.bnblogs"></context:component-scan>
+    <!--配置视图解析器-->
+    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
+        <property name="prefix" value="/"></property>
+        <property name="suffix" value=".jsp"></property>
+    </bean>
+    <mvc:annotation-driven conversion-service="conversionService">
+        <!--消息转换器配置-->
+        <!--用于解决controller返回给前端的数据乱码的问题-->
+        <mvc:message-converters register-defaults="true">
+            <bean class="org.springframework.http.converter.StringHttpMessageConverter">
+                <property name="supportedMediaTypes" value="text/html;charset=UTF-8"/>
+            </bean>
+            <bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
+                <property name="supportedMediaTypes">
+                    <list>
+                        <value>application/json;charset=UTF-8</value>
+                    </list>
+                </property>
+            </bean>
+        </mvc:message-converters>
+    </mvc:annotation-driven>
+
+    <!--配置自定义转换器-->
+    <bean id="conversionService" class="org.springframework.context.support.ConversionServiceFactoryBean">
+        <property name="converters">
+            <list>
+                <!--配置日期转换器-->
+                <bean class="cc.bnblogs.converter.DateConverter">
+                    <constructor-arg type="java.lang.String" value="yyyy-MM-dd"/>
+                </bean>
+
+                <!--配置学生数据转换器-->
+                <bean class="cc.bnblogs.converter.StudentConverter">
+                </bean>
+            </list>
+
+        </property>
+    </bean>
+    <!--配置文件组件-->
+    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
+    </bean>
+    <!--注入自定义验证器-->
+    <bean id="accountValidator" class="cc.bnblogs.validator.AccountValidator" />
+    <!--注册自定义验证器-->
+    <mvc:annotation-driven validator="accountValidator"/>
+    <!--使用JSR303校验必须加上这个配置-->
+    <mvc:annotation-driven></mvc:annotation-driven>
+</beans>

springmvcdemo/src/main/webapp/WEB-INF/web.xml

@@ -0,0 +1,51 @@
+<!DOCTYPE web-app PUBLIC
+ "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
+ "http://java.sun.com/dtd/web-app_2_3.dtd" >
+
+<web-app>
+  <display-name>Archetype Created Web Application</display-name>
+  <!--添加一个过滤器，避免终端乱码-->
+  <filter>
+    <filter-name>encodingFilter</filter-name>
+    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
+    <init-param>
+      <param-name>encoding</param-name>
+      <param-value>UTF-8</param-value>
+    </init-param>
+  </filter>
+  <!--拦截所有请求-->
+  <filter-mapping>
+    <filter-name>encodingFilter</filter-name>
+    <url-pattern>/*</url-pattern>
+  </filter-mapping>
+  <!--设置DispatcherServlet-->
+  <servlet>
+    <servlet-name>dispatcherServlet</servlet-name>
+    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
+    <init-param>
+      <param-name>contextConfigLocation</param-name>
+      <param-value>classpath:springmvc.xml</param-value>
+    </init-param>
+  </servlet>
+  <!--所有请求将会被拦截-->
+  <servlet-mapping>
+    <servlet-name>dispatcherServlet</servlet-name>
+    <url-pattern>/</url-pattern>
+  </servlet-mapping>
+  <!--js文件不交给dispatcherServlet处理，放行!-->
+  <servlet-mapping>
+    <servlet-name>default</servlet-name>
+    <url-pattern>*.js</url-pattern>
+  </servlet-mapping>
+
+  <!--图片特殊处理!-->
+  <servlet-mapping>
+    <servlet-name>default</servlet-name>
+    <url-pattern>*.png</url-pattern>
+  </servlet-mapping>
+
+  <servlet-mapping>
+    <servlet-name>default</servlet-name>
+    <url-pattern>*.jpg</url-pattern>
+  </servlet-mapping>
+</web-app>

springmvcdemo/src/main/webapp/ajax.jsp

@@ -0,0 +1,37 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 15270
+  Date: 2023/3/25
+  Time: 16:47
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+    <script type="text/javascript" src="js/jquery-3.6.4.min.js">
+    </script>
+    <script type="text/javascript">
+        $(function(){
+            // 发送的json数据
+            var user = {
+                id: 1,
+                name: "张三"
+            };
+            // 发送一个ajax请求
+            $.ajax({
+                url: "data/json",
+                data: JSON.stringify(user),
+                type: "POST",
+                contentType: "application/json;charset=UTF-8",
+                dataType: "JSON",
+                success: function (data) {
+                    alert(data.id + "---" + data.name);
+                }
+            })
+        })
+    </script>
+</head>
+<body>
+</body>
+</html>

springmvcdemo/src/main/webapp/date.jsp

@@ -0,0 +1,19 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 15270
+  Date: 2023/3/25
+  Time: 21:08
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+<form action="/convert/date" method="post">
+    请输入一个日期: <input type="text" name="date" /> &nbsp;格式(yyyy-MM-dd) <hr/>
+  <input type="submit" value="提交">
+</form>
+</body>
+</html>

springmvcdemo/src/main/webapp/download.jsp

@@ -0,0 +1,18 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 15270
+  Date: 2023/3/26
+  Time: 15:17
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+    <a href="/file/download/1">1.png</a>
+    <a href="/file/download/2">2.png</a>
+    <a href="/file/download/3">3.png</a>
+</body>
+</html>

springmvcdemo/src/main/webapp/index.jsp

@@ -0,0 +1,6 @@
+<%@ page contentType="text/html;charset=utf-8" %>
+<html>
+<body>
+<h2>Hello World!打印一些中文</h2>
+</body>
+</html>

springmvcdemo/src/main/webapp/login.jsp

@@ -0,0 +1,22 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 15270
+  Date: 2023/3/26
+  Time: 18:04
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@ page isELIgnored="false" %>
+<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+  <form:form modelAttribute="account" action="/validator/login" method="post">
+    姓名: <form:input path="username"/>&nbsp;&nbsp;<form:errors path="username"/><br />
+    密码: <form:password path="password"/>&nbsp;&nbsp;<form:errors path="password"/><br />
+    <input type="submit" value="登录">
+  </form:form>
+</body>
+</html>

springmvcdemo/src/main/webapp/person.jsp

@@ -0,0 +1,24 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 15270
+  Date: 2023/3/26
+  Time: 19:40
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@ page isELIgnored="false" %>
+<%@taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+<form:form modelAttribute="person" action="/validator/person" method="post">
+  姓名: <form:input path="username"/>&nbsp;&nbsp;<form:errors path="username"/><br />
+  密码: <form:password path="password"/>&nbsp;&nbsp;<form:errors path="password"/><br />
+  邮箱: <form:input path="email"/>&nbsp;&nbsp;<form:errors path="email"/><br />
+  电话: <form:input path="phone"/>&nbsp;&nbsp;<form:errors path="phone"/><br />
+  <input type="submit" value="提交">
+</form:form>
+</body>
+</html>

springmvcdemo/src/main/webapp/register.jsp

@@ -0,0 +1,23 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 15270
+  Date: 2023/3/25
+  Time: 14:21
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+<form action="save" method="post">
+    <%--表单中name值和参数User的属性值对应--%>
+    <%--属性支持级联--%>
+    用户id: <input type="text" name="id"/><br/>
+    用户名: <input type="text" name="name"/><br/>
+    地址: <input type="text" name="address.value"/><br/>
+    <input type="submit" value="注册">
+</form>
+</body>
+</html>

springmvcdemo/src/main/webapp/student.jsp

@@ -0,0 +1,20 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 15270
+  Date: 2023/3/25
+  Time: 21:20
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+  <form action="/convert/student" method="post">
+      请输入学生信息: <input type="text" name="student" />&nbsp;格式(id-name-age)
+      <hr />
+      <input type="submit" value="提交">
+  </form>
+</body>
+</html>

springmvcdemo/src/main/webapp/upload.jsp

@@ -0,0 +1,27 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 15270
+  Date: 2023/3/25
+  Time: 23:19
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@ page isELIgnored="false" %>
+<html>
+<head>
+    <title>Title</title>
+    <style>
+      img {
+        width: 200px;
+      }
+    </style>
+</head>
+<body>
+  <form action="/file/upload" method="post" enctype="multipart/form-data">
+    <input type="file" name="img" />
+      <hr/>
+    <input type="submit" value="上传">
+    <img src="${requestScope.path}">
+  </form>
+</body>
+</html>

springmvcdemo/src/main/webapp/uploads.jsp

@@ -0,0 +1,26 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 15270
+  Date: 2023/3/26
+  Time: 14:21
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@ page isELIgnored="false" %>
+<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+    <form action="/file/uploads" method="post" enctype="multipart/form-data">
+        file1: <input type="file" name="images" /> <br/>
+        file2: <input type="file" name="images" /> <br/>
+        file3: <input type="file" name="images" /> <br/>
+        <input type="submit" value="上传">
+    </form>
+    <c:forEach items="${requestScope.path}" var="file">
+        <img src="${file}" width="300px">
+    </c:forEach>
+</body>
+</html>

springmvcdemo/src/main/webapp/userlist.jsp

@@ -0,0 +1,25 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 15270
+  Date: 2023/3/25
+  Time: 15:44
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+  <%--使用表单来发送post请求--%>
+  <form action="/data/list" method="post">
+    用户1的id: <input type="text" name="users[0].id" /></br>
+    用户1的name: <input type="text" name="users[0].name" /></br>
+    用户2的id: <input type="text" name="users[1].id" /></br>
+    用户2的name: <input type="text" name="users[1].name" /></br>
+    用户3的id: <input type="text" name="users[2].id" /></br>
+    用户3的name: <input type="text" name="users[2].name" /></br>
+    <input type="submit" value="提交">
+  </form>
+</body>
+</html>

springmvcdemo/src/main/webapp/usermap.jsp

@@ -0,0 +1,24 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 15270
+  Date: 2023/3/25
+  Time: 16:36
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+<form action="/data/map" method="post">
+  用户1的id: <input type="text" name="users['a'].id" /></br>
+  用户1的name: <input type="text" name="users['a'].name" /></br>
+  用户2的id: <input type="text" name="users['b'].id" /></br>
+  用户2的name: <input type="text" name="users['b'].name" /></br>
+  用户3的id: <input type="text" name="users['c'].id" /></br>
+  用户3的name: <input type="text" name="users['c'].name" /></br>
+  <input type="submit" value="提交">
+</form>
+</body>
+</html>

springmvcdemo/src/main/webapp/view.jsp

@@ -0,0 +1,20 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 15270
+  Date: 2023/3/25
+  Time: 17:45
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@page isELIgnored="false" %>
+<%--注意添加上面这一行配置--%>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+    ${requestScope.user}<hr/>
+    ${sessionScope.user}<hr/>
+    ${applicationScope.user}
+</body>
+</html>

springmvcdemo/target/classes/springmvc.xml

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:context="http://www.springframework.org/schema/context"
+       xmlns:mvc="http://www.springframework.org/schema/mvc"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
+    <!--自动扫描-->
+    <!--扫描的包名和自己项目保持一致-->
+    <context:component-scan base-package="cc.bnblogs"></context:component-scan>
+    <!--配置视图解析器-->
+    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
+        <property name="prefix" value="/"></property>
+        <property name="suffix" value=".jsp"></property>
+    </bean>
+    <mvc:annotation-driven conversion-service="conversionService">
+        <!--消息转换器配置-->
+        <!--用于解决controller返回给前端的数据乱码的问题-->
+        <mvc:message-converters register-defaults="true">
+            <bean class="org.springframework.http.converter.StringHttpMessageConverter">
+                <property name="supportedMediaTypes" value="text/html;charset=UTF-8"/>
+            </bean>
+            <bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
+                <property name="supportedMediaTypes">
+                    <list>
+                        <value>application/json;charset=UTF-8</value>
+                    </list>
+                </property>
+            </bean>
+        </mvc:message-converters>
+    </mvc:annotation-driven>
+
+    <!--配置自定义转换器-->
+    <bean id="conversionService" class="org.springframework.context.support.ConversionServiceFactoryBean">
+        <property name="converters">
+            <list>
+                <!--配置日期转换器-->
+                <bean class="cc.bnblogs.converter.DateConverter">
+                    <constructor-arg type="java.lang.String" value="yyyy-MM-dd"/>
+                </bean>
+
+                <!--配置学生数据转换器-->
+                <bean class="cc.bnblogs.converter.StudentConverter">
+                </bean>
+            </list>
+
+        </property>
+    </bean>
+    <!--配置文件组件-->
+    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
+    </bean>
+    <!--注入自定义验证器-->
+    <bean id="accountValidator" class="cc.bnblogs.validator.AccountValidator" />
+    <!--注册自定义验证器-->
+    <mvc:annotation-driven validator="accountValidator"/>
+    <!--使用JSR303校验必须加上这个配置-->
+    <mvc:annotation-driven></mvc:annotation-driven>
+</beans>

springmvcdemo/target/maven-archiver/pom.properties

@@ -0,0 +1,5 @@
+#Generated by Maven
+#Sat Mar 25 16:59:12 CST 2023
+version=1.0-SNAPSHOT
+groupId=cc.bnblogs
+artifactId=springmvcdemo

springmvcdemo/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst

@@ -0,0 +1,6 @@
+cc\bnblogs\entity\UserMap.class
+cc\bnblogs\entity\User.class
+cc\bnblogs\entity\Address.class
+cc\bnblogs\entity\UserList.class
+cc\bnblogs\controller\DataController.class
+cc\bnblogs\controller\HelloHandler.class

springmvcdemo/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst

@@ -0,0 +1,6 @@
+D:\spring_study\springmvcdemo\src\main\java\cc\bnblogs\controller\DataController.java
+D:\spring_study\springmvcdemo\src\main\java\cc\bnblogs\entity\User.java
+D:\spring_study\springmvcdemo\src\main\java\cc\bnblogs\entity\Address.java
+D:\spring_study\springmvcdemo\src\main\java\cc\bnblogs\entity\UserList.java
+D:\spring_study\springmvcdemo\src\main\java\cc\bnblogs\controller\HelloHandler.java
+D:\spring_study\springmvcdemo\src\main\java\cc\bnblogs\entity\UserMap.java

springmvcdemo/target/springmvcdemo/META-INF/MANIFEST.MF

@@ -0,0 +1,5 @@
+Manifest-Version: 1.0
+Created-By: IntelliJ IDEA
+Built-By: 15270
+Build-Jdk: 1.8.0_342
+