feat: add admin login

frontend/admin/src/pages/LoginPage.vue

@@ -1,4 +1,5 @@
 <script setup>
+import { authService } from '@/api/authService';
 import { useAuthStore } from '@/stores/auth';
 import Button from 'primevue/button';
 import Card from 'primevue/card';
@@ -10,17 +11,32 @@ import { useRouter } from 'vue-router';
 const router = useRouter();
 const authStore = useAuthStore();
 
-const username = ref('');
-const password = ref('');
+const username = ref('admin');
+const password = ref('xixi@0202');
 const loading = ref(false);
 const errorMessage = ref('');
 
+const validateForm = () => {
+    if (!username.value.trim()) {
+        errorMessage.value = '请输入用户名';
+        return false;
+    }
+    if (!password.value) {
+        errorMessage.value = '请输入密码';
+        return false;
+    }
+    return true;
+};
+
 const handleLogin = async () => {
+    if (!validateForm()) return;
+
     loading.value = true;
     errorMessage.value = '';
 
     try {
-        await authStore.login(username.value, password.value);
+        const token = await authService.login(username.value, password.value);
+        authStore.setToken(token);
         router.push('/');
     } catch (error) {
         errorMessage.value = error.message || '登录失败';