feat：完成简易的的前端和后端api

frontend/src/router/index.ts

@@ -0,0 +1,29 @@
+
+
+
+import { createRouter, createWebHistory } from 'vue-router';
+import ChatPage from '../views/ChatPage.vue';
+import LoginPage from '../views/LoginPage.vue';
+
+const routes = [
+  { path: '/', redirect: '/chat' },
+  { path: '/login', component: LoginPage },
+  { path: '/chat', component: ChatPage }, // 聊天页面
+];
+
+const router = createRouter({
+  history: createWebHistory(),
+  routes,
+});
+
+// 路由守卫，确保用户登录后才能访问聊天页面
+router.beforeEach((to, from, next) => {
+  const isAuthenticated = document.cookie.includes('auth_token'); // 假设后端返回的是这个Cookie
+  if (to.path === '/chat' && !isAuthenticated) {
+    next('/login'); // 未登录时跳转到登录页面
+  } else {
+    next(); // 允许进入
+  }
+});
+
+export default router;