增加登录信息验证和退出功能

src/main.js

@@ -9,4 +9,32 @@ import 'element-plus/lib/theme-chalk/index.css';
 import axios from 'axios'
 import VueAxios from 'vue-axios'
 
-createApp(App).use(store).use(router).use(ElementPlus).use(VueAxios, axios).mount("#app");
+createApp(App).use(store).use(router).use(ElementPlus).use(VueAxios, axios).mount("#app");
\ No newline at end of file
+
+router.beforeEach((to, from, next) => {
+    // to and from are both route objects. must call `next`.
+    if (to.meta.needLogin) {
+        console.log("hello");
+        axios.get("http://localhost:8070/login", {
+                withCredentials: true
+            })
+            .then((response) => {
+                if (response.data.usertype == '用户') {
+                    //显示用户名
+                    console.log(response.data.data.name);
+                    next();
+                } else {
+                    //当前为有课,不允许登录
+                    next({
+                        name: "Login",
+                        query: {
+                            redirect: to.meta.redirect
+                        }
+                    });
+                }
+            });
+        next();
+    } else {
+        next();
+    }
+});
\ No newline at end of file

src/router/index.js

@@ -8,6 +8,9 @@ const routes = [{
     path: "/",
     name: "Home",
     component: Home,
+    meta: {
+      needLogin: true,
+    }
   },
   {
     path: "/login",

src/views/Home.vue

@@ -39,7 +39,7 @@
       <el-main>
         <el-button @click="onclickaxios"> hello</el-button>
         <el-button @click="havelogin"> havelogin</el-button>
-        <el-button @click="gotologin"> gotologin</el-button>
+        <el-button @click="logout"> logout</el-button>
         <el-button @click="gotologin11"> gotologin</el-button>
         <router-link to="/Login">gotologin</router-link>
       </el-main>
@@ -99,6 +99,13 @@ export default {
           console.log(response.data);
         });
     },
+    logout() {
+      this.axios
+        .post("http://localhost:8070/logout", {}, { withCredentials: true })
+        .then((response) => {
+          console.log(response.data);
+        });
+    },
   },
   data() {
     return {