创建api

blog/admin.py

@@ -4,18 +4,18 @@ from .models import Blog
 # Register your models here.
 
 class BlogAdmin(admin.ModelAdmin):
-    list_display = ['title','author','content','author_name']
+    list_display = ['title','author','content','create_time']
     # author字段是关系表,必须用两条下划线指定对应属性
     search_fields = ['title','content','author__username']
 
-    # readonly_fields = ['author']
+    readonly_fields = ['author','create_time']
 
-    # # 保存模型时执行的操作
-    # def save_model(self, request, obj, form, change):
-    #     if not change:
-    #         # 只有创建时指定作者
-    #         obj.author = request.user
-    #     super(BlogAdmin, self).save_model(request,obj,form,change)
+    # 保存模型时执行的操作
+    def save_model(self, request, obj, form, change):
+        if not change:
+            # 只有创建时指定作者
+            obj.author = request.user
+        super(BlogAdmin, self).save_model(request,obj,form,change)
 
 
 admin.site.register(Blog,BlogAdmin)

blog/migrations/0002_blog_createtime_blog_modifytime.py

@@ -0,0 +1,25 @@
+# Generated by Django 4.1.1 on 2022-09-17 17:30
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('blog', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='blog',
+            name='createTime',
+            field=models.DateField(auto_now_add=True, default=django.utils.timezone.now, verbose_name='创建时间'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='blog',
+            name='modifyTime',
+            field=models.DateField(auto_now=True, verbose_name='修改时间'),
+        ),
+    ]

blog/migrations/0003_alter_blog_createtime_alter_blog_modifytime.py

@@ -0,0 +1,23 @@
+# Generated by Django 4.1.1 on 2022-09-17 17:33
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('blog', '0002_blog_createtime_blog_modifytime'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='blog',
+            name='createTime',
+            field=models.DateTimeField(auto_now_add=True, verbose_name='创建时间'),
+        ),
+        migrations.AlterField(
+            model_name='blog',
+            name='modifyTime',
+            field=models.DateTimeField(auto_now=True, verbose_name='修改时间'),
+        ),
+    ]

blog/migrations/0004_alter_blog_createtime_alter_blog_modifytime.py

@@ -0,0 +1,23 @@
+# Generated by Django 4.1.1 on 2022-09-17 17:37
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('blog', '0003_alter_blog_createtime_alter_blog_modifytime'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='blog',
+            name='createTime',
+            field=models.DateField(auto_now_add=True, verbose_name='创建时间'),
+        ),
+        migrations.AlterField(
+            model_name='blog',
+            name='modifyTime',
+            field=models.DateField(auto_now=True, verbose_name='修改时间'),
+        ),
+    ]

blog/migrations/0005_alter_blog_createtime_alter_blog_modifytime.py

@@ -0,0 +1,24 @@
+# Generated by Django 4.1.1 on 2022-09-17 17:40
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('blog', '0004_alter_blog_createtime_alter_blog_modifytime'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='blog',
+            name='createTime',
+            field=models.DateField(auto_now_add=True, verbose_name=django.utils.timezone.now),
+        ),
+        migrations.AlterField(
+            model_name='blog',
+            name='modifyTime',
+            field=models.DateField(auto_now=True, verbose_name=django.utils.timezone.now),
+        ),
+    ]

blog/migrations/0006_alter_blog_createtime_alter_blog_modifytime.py

@@ -0,0 +1,24 @@
+# Generated by Django 4.1.1 on 2022-09-17 17:43
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('blog', '0005_alter_blog_createtime_alter_blog_modifytime'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='blog',
+            name='createTime',
+            field=models.DateField(default=django.utils.timezone.now, verbose_name='创建时间'),
+        ),
+        migrations.AlterField(
+            model_name='blog',
+            name='modifyTime',
+            field=models.DateField(auto_now=True, verbose_name='修改时间'),
+        ),
+    ]

blog/migrations/0007_alter_blog_createtime_alter_blog_modifytime.py

@@ -0,0 +1,24 @@
+# Generated by Django 4.1.1 on 2022-09-17 17:44
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('blog', '0006_alter_blog_createtime_alter_blog_modifytime'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='blog',
+            name='createTime',
+            field=models.DateTimeField(default=django.utils.timezone.now, verbose_name='创建时间'),
+        ),
+        migrations.AlterField(
+            model_name='blog',
+            name='modifyTime',
+            field=models.DateTimeField(auto_now=True, verbose_name='修改时间'),
+        ),
+    ]

blog/migrations/0008_remove_blog_createtime_remove_blog_modifytime_and_more.py

@@ -0,0 +1,32 @@
+# Generated by Django 4.1.1 on 2022-09-17 18:00
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('blog', '0007_alter_blog_createtime_alter_blog_modifytime'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='blog',
+            name='createTime',
+        ),
+        migrations.RemoveField(
+            model_name='blog',
+            name='modifyTime',
+        ),
+        migrations.AddField(
+            model_name='blog',
+            name='add_date',
+            field=models.DateTimeField(default=django.utils.timezone.now, verbose_name='保存日期'),
+        ),
+        migrations.AddField(
+            model_name='blog',
+            name='mod_date',
+            field=models.DateTimeField(auto_now=True, verbose_name='最后修改日期'),
+        ),
+    ]

blog/migrations/0009_remove_blog_add_date_remove_blog_mod_date_and_more.py

@@ -0,0 +1,32 @@
+# Generated by Django 4.1.1 on 2022-09-17 18:04
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('blog', '0008_remove_blog_createtime_remove_blog_modifytime_and_more'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='blog',
+            name='add_date',
+        ),
+        migrations.RemoveField(
+            model_name='blog',
+            name='mod_date',
+        ),
+        migrations.AddField(
+            model_name='blog',
+            name='create_time',
+            field=models.DateTimeField(default=django.utils.timezone.now, verbose_name='创建时间'),
+        ),
+        migrations.AddField(
+            model_name='blog',
+            name='modify_time',
+            field=models.DateTimeField(auto_now=True, verbose_name='修改时间'),
+        ),
+    ]

blog/models.py

@@ -1,5 +1,5 @@
 from django.db import models
-
+from django.utils import timezone
 # Create your models here.
 
 
@@ -9,6 +9,9 @@ class Blog(models.Model):
                                verbose_name='作者')
     content = models.TextField('内容')
 
+    create_time = models.DateTimeField('创建时间', default=timezone.now)
+    modify_time = models.DateTimeField('修改时间', auto_now=True)
+
     def __str__(self):
         return self.title
 

blog/urls.py

@@ -1,12 +1,13 @@
 from django.urls import path
-import blog.views as blog_views
 from blog.views.blogListView import BlogListView
 from blog.views.blogDetailView import BlogDetailView
+import blog.view as blog_views
 
 urlpatterns = [
     # path('list/', blog_views.blog_list, name='list'),
     # path('detail/<int:blog_id>/', blog_views.blog_detail, name='detail')
 
     path('list/', BlogListView.as_view(), ),
-    path('detail/<int:pk>/', BlogDetailView.as_view())
+    path('detail/<int:pk>/', BlogDetailView.as_view()),
+    path('index/',blog_views.index)
 ]

blog/view.py

@@ -1,4 +1,6 @@
 from django.http import JsonResponse,HttpResponse
+from django.shortcuts import render
+
 from blog.models import Blog
 from django.core.paginator import Paginator # 引入分页功能
 
@@ -47,3 +49,7 @@ def blog_detail(request,blog_id):
         ]
     }
     return HttpResponse(resp.values())
+
+
+def index(request):
+    return render(request, 'blog/index.html')

blog/views/blogListView.py

@@ -12,8 +12,8 @@ class BlogListView(BaseListView):
         return self.request.GET.get('page_size') or self.paginate_by
 
     def render_to_response(self, context):
-        paginator = context['paginator']
-        current_page = context['page_obj']
+        paginator = context['paginator'] # 分页
+        current_page = context['page_obj'] # 页号
         blogs = current_page.object_list
 
         data = {

demo/settings.py

@@ -1,16 +1,5 @@
-"""
-Django settings for demo project.
-
-Generated by 'django-admin startproject' using Django 4.1.1.
-
-For more information on this file, see
-https://docs.djangoproject.com/en/4.1/topics/settings/
-
-For the full list of settings and their values, see
-https://docs.djangoproject.com/en/4.1/ref/settings/
-"""
-
 from pathlib import Path
+import os
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
@@ -31,13 +20,16 @@ ALLOWED_HOSTS = []
 # Application definition
 
 INSTALLED_APPS = [
+    'rest_framework',
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
-    'blog'
+    'blog',
+    'myapi',
+    'snippets'
 ]
 
 MIDDLEWARE = [
@@ -107,19 +99,34 @@ AUTH_PASSWORD_VALIDATORS = [
 
 LANGUAGE_CODE = 'en-us'
 
-TIME_ZONE = 'UTC'
+TIME_ZONE = 'Asia/Shanghai'
 
 USE_I18N = True
 
-USE_TZ = True
+USE_TZ = False
 
 
 # Static files (CSS, JavaScript, Images)
 # https://docs.djangoproject.com/en/4.1/howto/static-files/
 
 STATIC_URL = 'static/'
+STATICFILES_DIRS=(
+    os.path.join(BASE_DIR,'static'),
+)
 
 # Default primary key field type
 # https://docs.djangoproject.com/en/4.1/ref/settings/#default-auto-field
 
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+
+REST_FRAMEWORK = {
+    # Use Django's standard `django.contrib.auth` permissions,
+    # or allow read-only access for unauthenticated users.
+    'DEFAULT_PERMISSION_CLASSES': [
+        # 'rest_framework.permissions.DjangoModelPermissionsOrAnonReadOnly',
+    ],
+    'DEFAULT_PAGINATION_CLASS':
+        'rest_framework.pagination.PageNumberPagination',
+    'PAGE_SIZE': 10,
+}

demo/urls.py

@@ -18,5 +18,7 @@ from django.urls import path,include
 
 urlpatterns = [
     path('admin/', admin.site.urls),
-    path('blog/', include('blog.urls'))
+    path('blog/', include('blog.urls')),
+    path('myapi/',include('myapi.urls')),
+    path('',include('snippets.urls')),
 ]

myapi/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

myapi/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class MyapiConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'myapi'

myapi/models.py

@@ -0,0 +1,3 @@
+from django.db import models
+
+# Create your models here.

myapi/serializers.py

@@ -0,0 +1,16 @@
+from django.contrib.auth.models import User, Group
+from rest_framework import serializers
+
+
+class UserSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = User
+        fields = ['url', 'username', 'email', 'groups']
+
+
+class GroupSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = Group
+        fields = ['url', 'name']
+
+    

myapi/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

myapi/urls.py

@@ -0,0 +1,13 @@
+from django.urls import path, include
+from rest_framework import routers
+from myapi import views
+
+
+router = routers.DefaultRouter()
+router.register(r'users', views.UserViewSet)
+router.register(r'groups', views.GroupViewSet)
+
+urlpatterns = [
+    path('', include(router.urls)),
+    path('api-auth/', include('rest_framework.urls', namespace='rest_framework'))
+]

myapi/views.py

@@ -0,0 +1,16 @@
+from django.contrib.auth.models import User, Group
+from rest_framework import viewsets
+from rest_framework import permissions
+from myapi.serializers import UserSerializer,GroupSerializer
+
+
+class UserViewSet(viewsets.ModelViewSet):
+    queryset = User.objects.all().order_by('date_joined')
+    serializer_class = UserSerializer
+    permissions_classes = [permissions.IsAuthenticated]
+
+
+class GroupViewSet(viewsets.ModelViewSet):
+    queryset = Group.objects.all()
+    serializer_class = GroupSerializer
+    permissions_classes = [permissions.IsAuthenticated]

snippets/admin.py

@@ -0,0 +1,5 @@
+from django.contrib import admin
+from snippets.models import Snippet
+
+# Register your models here.
+admin.site.register(Snippet)

snippets/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class SnippetsConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'snippets'

snippets/models.py

@@ -0,0 +1,23 @@
+from django.db import models
+from pygments.lexers import get_all_lexers
+from pygments.styles import get_all_styles
+
+LEXERS = [item for item in get_all_lexers() if item[1]]
+LANGUAGE_CHOICES = sorted([(item[1][0],item[0]) for item in LEXERS])
+STYLE_CHOICES = sorted([(item,item) for item in get_all_styles()])
+
+
+class Snippet(models.Model):
+    created = models.DateTimeField(auto_now_add=True)
+    title = models.CharField(max_length=100,blank=True,default='')
+    code = models.TextField()
+    linenos = models.BooleanField(default=False)
+    language = models.CharField(choices=LANGUAGE_CHOICES,default='python',max_length=100)
+    style = models.CharField(choices=STYLE_CHOICES, default='friendly',max_length=100)
+
+    def __str__(self):
+        return str(self.id) + ' ' + self.title + ' ' + self.code
+
+    class Meta:
+        ordering = ['created']
+

snippets/serializers.py

@@ -0,0 +1,29 @@
+from rest_framework import serializers
+from snippets.models import Snippet, LANGUAGE_CHOICES, STYLE_CHOICES
+
+
+# class SnippetSerializer(serializers.Serializer):
+#     id = serializers.IntegerField(read_only=True)
+#     title = serializers.CharField(required=False, allow_blank=True, max_length=100)
+#     code = serializers.CharField(style={'base_template': 'textarea.html'})
+#     linenos = serializers.BooleanField(required=False)
+#     language = serializers.ChoiceField(choices=LANGUAGE_CHOICES,default='python')
+#     style = serializers.ChoiceField(choices=STYLE_CHOICES, default='friendly')
+#
+#     def create(self, validated_data):
+#         return Snippet.objects.create(**validated_data)
+#
+#     def update(self, instance, validated_data):
+#         instance.title = validated_data.get('title', instance.title)
+#         instance.code = validated_data.get('code', instance.code)
+#         instance.linenos = validated_data.get('linenos', instance.linenos)
+#         instance.language = validated_data.get('language', instance.language)
+#         instance.style = validated_data.get('style', instance.style)
+#         instance.save()
+#         return instance
+
+
+class SnippetSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Snippet
+        fields = ['id','created','title','code','linenos','language','style']

snippets/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

snippets/urls.py

@@ -0,0 +1,12 @@
+from django.urls import path
+from rest_framework.urlpatterns import format_suffix_patterns
+
+from snippets.views import SnippetView,SnippetDetailView
+
+urlpatterns = [
+    path('snippets/',SnippetView.as_view()),
+    path('snippet/<int:pk>/',SnippetDetailView.as_view()),
+]
+
+
+urlpatterns = format_suffix_patterns(urlpatterns)

snippets/views.py

@@ -0,0 +1,134 @@
+from rest_framework.response import Response
+from rest_framework.status import HTTP_400_BAD_REQUEST, HTTP_204_NO_CONTENT, HTTP_201_CREATED
+from django.http import Http404
+from snippets.models import Snippet
+from snippets.serializers import SnippetSerializer
+from rest_framework.views import APIView
+
+# @csrf_exempt
+# def snippet_list(request):
+#     if request.method == 'GET':
+#         snippets = Snippet.objects.all()
+#         serializer = SnippetSerializer(snippets,many=True)
+#         return JsonResponse(serializer.data,safe=False)
+#
+#     elif request.method == 'POST':
+#         data = JSONParser().parse(request)
+#         serializer = SnippetSerializer(data=data) # 序列化成JSON格式
+#         if serializer.is_valid():
+#             serializer.save()
+#             return JsonResponse(serializer.data,status=HTTP_201_CREATED)
+#         return JsonResponse(serializer.errors, status=HTTP_400_BAD_REQUEST)
+#
+# @csrf_exempt
+# def snippet_detail(request,pk):
+#     try:
+#         snippet = Snippet.objects.get(pk=pk)
+#     except Snippet.DoesNotExist:
+#         return HttpResponse(status=HTTP_400_BAD_REQUEST)
+#
+#     if request.method == 'GET':
+#         serializer = SnippetSerializer(snippet)
+#         return JsonResponse(serializer.data)
+#
+#     elif request.method == 'PUT':
+#         data = JSONParser().parse(request)
+#         serializer = SnippetSerializer(data=data)
+#         if serializer.is_valid():
+#             serializer.save()
+#             return JsonResponse(serializer.data)
+#         return JsonResponse(serializer.errors,status=HTTP_400_BAD_REQUEST)
+#
+#     elif request.method == 'DELETE':
+#         snippet.delete()
+#         return HttpResponse(status=HTTP_204_NO_CONTENT)
+
+
+# @api_view(['GET', 'POST'])
+# def snippet_list(request, format=None):
+#     if request.method == 'GET':
+#         snippets = Snippet.objects.all()
+#         serializer = SnippetSerializer(snippets,many=True)
+#         return Response(serializer.data)
+#
+#     elif request.method == 'POST':
+#         # 序列化成JSON格式
+#         serializer = SnippetSerializer(data=request.data)
+#         if serializer.is_valid():
+#             serializer.save()
+#             return Response(serializer.data, status=HTTP_201_CREATED)
+#         return Response(serializer.errors, status=HTTP_400_BAD_REQUEST)
+
+#
+# @api_view(['GET', 'PUT', 'DELETE'])
+# def snippet_detail(request, pk, format=None):
+#     try:
+#         snippet = Snippet.objects.get(pk=pk)
+#     except Snippet.DoesNotExist:
+#         return Response(status=HTTP_400_BAD_REQUEST)
+#
+#     if request.method == 'GET':
+#         serializer = SnippetSerializer(snippet)
+#         return Response(serializer.data)
+#
+#     elif request.method == 'PUT':
+#         serializer = SnippetSerializer(snippet,data=request.data)
+#         if serializer.is_valid():
+#             serializer.save()
+#             return Response(serializer.data)
+#         return Response(serializer.errors,status=HTTP_400_BAD_REQUEST)
+#
+#     elif request.method == 'DELETE':
+#         snippet.delete()
+#         return Response(status=HTTP_204_NO_CONTENT)
+
+
+
+class SnippetView(APIView):
+    # 获取所有的snippet
+    def get(self, request, format=None):
+        snippets = Snippet.objects.all()
+        serializer = SnippetSerializer(snippets, many=True)
+        return Response(serializer.data)
+
+    # 创建一个新的snippet
+    def post(self, request, format=None):
+        serializer = SnippetSerializer(data=request.data)
+        if serializer.is_valid():
+            serializer.save()
+            return Response(serializer.data,status=HTTP_201_CREATED)
+        return Response(status=HTTP_400_BAD_REQUEST)
+
+
+class SnippetDetailView(APIView):
+    def get_object(self, pk):
+        try:
+            return Snippet.objects.get(pk=pk)
+        except Snippet.DoesNotExist:
+            return Http404
+
+    # 查询某个snippet的数据
+    def get(self,request,pk,format=None):
+        snippet = self.get_object(pk)
+        serializer = SnippetSerializer(snippet)
+        return Response(serializer.data)
+
+    # 更新某个snippet的数据
+    def put(self,request,pk,format=None):
+        snippet = self.get_object(pk)
+        serializer = SnippetSerializer(snippet,data=request.data)
+        if serializer.is_valid():
+            serializer.save()
+            return Response(serializer.data)
+        return Response(status=HTTP_400_BAD_REQUEST)
+
+    # 删除某一个snippet
+    def delete(self,request,pk,format=None):
+        snippet = self.get_object(pk)
+        snippet.delete()
+        return Response(status=HTTP_204_NO_CONTENT)
+
+
+
+
+

templates/blog/index.html

@@ -0,0 +1,40 @@
+{% load static %}
+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport"
+          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>Document</title>
+    <style>
+        h2 {
+            text-align: center;
+        }
+
+        .center {
+            display: flex;
+            align-items: center;
+            justify-content: center;
+        }
+
+        .info {
+            font-size: 20px;
+            font-weight: bold;
+            color: red;
+        }
+
+    </style>
+</head>
+<body>
+<h2>blog欢迎界面</h2>
+<div class="center">
+    <img src={% static 'images/apple.png' %}>
+    <ul>
+        {% for blog in blog_ %}
+    </ul>
+</div>
+
+
+</body>
+</html>