Vite-Vue/vuex-app/src/store/index.js

import { createStore } from "vuex";

const store = createStore({
	state() {
		return {
			count: 0,
			title: "修改count值",
		};
	},
	mutations: {
		increment(state) {
			state.count++;
		},
		subtraction(state) {
			state.count--;
		},
	},
});

export default store;