diff --git a/rhj/frontend/src/utils/auth.js b/rhj/frontend/src/utils/auth.js
new file mode 100644
index 0000000..d04e102
--- /dev/null
+++ b/rhj/frontend/src/utils/auth.js
@@ -0,0 +1,155 @@
+// 认证相关的工具函数
+
+/**
+ * 获取当前用户的认证token
+ * @returns {string|null} 认证token，如果未登录则返回null
+ */
+export const getAuthToken = () => {
+  // 优先从localStorage获取（记住我的情况）
+  const localToken = localStorage.getItem('authToken');
+  if (localToken) {
+    return localToken;
+  }
+  
+  // 然后从sessionStorage获取（不记住我的情况）
+  const sessionToken = sessionStorage.getItem('authToken');
+  return sessionToken;
+};
+
+/**
+ * 获取当前用户信息
+ * @returns {object|null} 用户信息，如果未登录则返回null
+ */
+export const getUserInfo = () => {
+  // 优先从localStorage获取
+  const localUserInfo = localStorage.getItem('userInfo');
+  if (localUserInfo) {
+    try {
+      return JSON.parse(localUserInfo);
+    } catch (error) {
+      console.error('解析localStorage中的用户信息失败:', error);
+    }
+  }
+  
+  // 然后从sessionStorage获取
+  const sessionUserInfo = sessionStorage.getItem('userInfo');
+  if (sessionUserInfo) {
+    try {
+      return JSON.parse(sessionUserInfo);
+    } catch (error) {
+      console.error('解析sessionStorage中的用户信息失败:', error);
+    }
+  }
+  
+  return null;
+};
+
+/**
+ * 检查用户是否已登录
+ * @returns {boolean} 是否已登录
+ */
+export const isLoggedIn = () => {
+  const token = getAuthToken();
+  return !!token;
+};
+
+/**
+ * 获取记住的登录信息
+ * @returns {object} 包含email, password, rememberMe的对象
+ */
+export const getRememberedLoginInfo = () => {
+  const email = localStorage.getItem('rememberedEmail') || '';
+  const password = localStorage.getItem('rememberedPassword') || '';
+  const rememberMe = localStorage.getItem('rememberMe') === 'true';
+  
+  return {
+    email,
+    password,
+    rememberMe
+  };
+};
+
+/**
+ * 保存记住的登录信息
+ * @param {string} email 邮箱
+ * @param {string} password 密码
+ * @param {boolean} remember 是否记住
+ */
+export const saveRememberedLoginInfo = (email, password, remember) => {
+  if (remember) {
+    localStorage.setItem('rememberedEmail', email);
+    localStorage.setItem('rememberedPassword', password);
+    localStorage.setItem('rememberMe', 'true');
+  } else {
+    localStorage.removeItem('rememberedEmail');
+    localStorage.removeItem('rememberedPassword');
+    localStorage.removeItem('rememberMe');
+  }
+};
+
+/**
+ * 保存用户认证信息
+ * @param {string} token 认证token
+ * @param {object} userInfo 用户信息
+ * @param {boolean} remember 是否记住登录状态
+ */
+export const saveAuthInfo = (token, userInfo, remember = false) => {
+  if (remember) {
+    // 记住我：保存到localStorage
+    localStorage.setItem('authToken', token);
+    localStorage.setItem('userInfo', JSON.stringify(userInfo));
+    
+    // 清除sessionStorage
+    sessionStorage.removeItem('authToken');
+    sessionStorage.removeItem('userInfo');
+  } else {
+    // 不记住我：保存到sessionStorage
+    sessionStorage.setItem('authToken', token);
+    sessionStorage.setItem('userInfo', JSON.stringify(userInfo));
+    
+    // 清除localStorage中的认证信息（但保留记住的登录表单信息）
+    localStorage.removeItem('authToken');
+    localStorage.removeItem('userInfo');
+  }
+};
+
+/**
+ * 清除所有认证信息（退出登录）
+ * @param {boolean} clearRemembered 是否同时清除记住的登录信息
+ */
+export const clearAuthInfo = (clearRemembered = false) => {
+  // 清除认证token和用户信息
+  localStorage.removeItem('authToken');
+  localStorage.removeItem('userInfo');
+  sessionStorage.removeItem('authToken');
+  sessionStorage.removeItem('userInfo');
+  
+  // 如果需要，清除记住的登录信息
+  if (clearRemembered) {
+    localStorage.removeItem('rememberedEmail');
+    localStorage.removeItem('rememberedPassword');
+    localStorage.removeItem('rememberMe');
+  }
+};
+
+/**
+ * 创建带认证头的fetch请求配置
+ * @param {object} options 原始fetch配置
+ * @returns {object} 带认证头的fetch配置
+ */
+export const createAuthenticatedRequest = (options = {}) => {
+  const token = getAuthToken();
+  
+  if (!token) {
+    throw new Error('用户未登录');
+  }
+  
+  return {
+    ...options,
+    headers: {
+      ...options.headers,
+      'Authorization': `Bearer ${token}`,
+      'Content-Type': 'application/json'
+    }
+  };
+};