modify(login): 修改登录返回对象，新增返回用户信息

frontend/web/src/stores/auth.js

@@ -0,0 +1,32 @@
+import { ref, computed } from 'vue'
+import { defineStore } from 'pinia'
+
+export const useAuthStore = defineStore('auth', () => {
+  const token = ref(localStorage.getItem('user_token') || '');
+  const userInfo = ref(null);
+
+  //判断是否已登录
+  const isLoggedIn = computed(() => !!token.value);
+
+  /**
+   * 登录成功保存状态
+   * @param {String} newToken  用户凭证 
+   * @param {*} user      用户信息
+   */
+  function setLoginInfo(newToken, user) {
+    token.value = newToken;
+    userInfo.value = user;
+    localStorage.setItem('user_token', newToken);
+  }
+
+  /**
+   * 退出登录
+   */
+  function logout() {
+    token.value = '';
+    userInfo.value = null;
+    localStorage.removeItem('user_token');
+  }
+
+  return { token, userInfo, isLoggedIn, setLoginInfo, logout };
+})