Comment effectuer le contrôle des autorisations et la vérification de la connexion dans le projet Vue

import Vue from 'vue'
import VueRouter from 'vue-router'
import Vuex from 'vuex'
import routes from './router/index.js' // 引入路由配置文件
import store from './store/index.js' // 引入Vuex配置文件

Vue.use(VueRouter)
Vue.use(Vuex)

const router = new VueRouter({
  routes
})

new Vue({
  router,
  store,
  render: h => h(App)
}).$mount('#app')

import Vue from 'vue'
import Router from 'vue-router'
import Home from '@/views/Home.vue'
import Login from '@/views/Login.vue'
import Admin from '@/views/Admin.vue'
import Dashboard from '@/views/Dashboard.vue'
import Users from '@/views/Users.vue'
import NotFound from '@/views/NotFound.vue'

Vue.use(Router)

export default new Router({
  mode: 'history',
  routes: [
    {
      path: '/',
      name: 'home',
      component: Home
    },
    {
      path: '/login',
      name: 'login',
      component: Login
    },
    {
      path: '/admin',
      name: 'admin',
      component: Admin,
      children: [
        {
          path: '',
          name: 'dashboard',
          component: Dashboard
        },
        {
          path: 'users',
          name: 'users',
          component: Users
        }
      ]
    },
    {
      path: '*',
      name: 'notfound',
      component: NotFound
    }
  ]
})

import Vue from 'vue'
import Vuex from 'vuex'

Vue.use(Vuex)

export default new Vuex.Store({
  state: {
    user: null,
    isLoggedIn: false
  },
  mutations: {
    SET_USER(state, user) {
      state.user = user
    },
    SET_LOGGED_IN(state, value) {
      state.isLoggedIn = value
    }
  },
  actions: {
    login({ commit }, user) {
      // 在这里进行登录验证的逻辑
      // 成功后设置用户信息和登录状态
      commit('SET_USER', user)
      commit('SET_LOGGED_IN', true)
    },
    logout({ commit }) {
      // 退出登录，清除用户信息和登录状态
      commit('SET_USER', null)
      commit('SET_LOGGED_IN', false)
    }
  }
})

<template>
  <div class="login">
    <form @submit.prevent="submit">
      <input type="text" v-model="username" placeholder="请输入用户名">
      <input type="password" v-model="password" placeholder="请输入密码">
      <button type="submit">登录</button>
    </form>
  </div>
</template>

<script>
export default {
  data() {
    return {
      username: '',
      password: ''
    }
  },
  methods: {
    submit() {
      // 在这里调用登录接口进行验证
      // 异步返回结果后触发登录操作
      this.$store.dispatch('login', {
        username: this.username,
        password: this.password
      }).then(() => {
        // 登录成功后跳转到首页或其他页面
        this.$router.push('/')
      }).catch(() => {
        // 登录失败逻辑处理
      })
    }
  }
}
</script>

<template>
  <div class="admin">
    <h1>管理员页面</h1>
    <!-- 其他内容... -->
  </div>
</template>

<script>
export default {
  created() {
    if (!this.$store.state.isLoggedIn) {
      // 未登录状态，跳转到登录页面
      this.$router.push('/login')
    } else {
      // 已登录状态，进行权限控制
      if (!this.$store.state.user.isAdmin) {
        // 非管理员用户，无权限访问
        this.$router.push('/404')
      }
    }
  }
}
</script>