feat(api): 从URL参数中获取token并自动添加到请求头

- 新增getToken方法，从URL参数中获取token，返回空字符串或token值
- 新增buildHeaders方法，构建请求头并自动添加token字段
- 所有HTTP请求方法(get, post, patch, del)中，统一调用buildHeaders设置请求头
- 在ApiService中暴露getToken方法方便外部调用
- 改进请求流程，确保带token的请求能够正确发送验证信息

web/modules/api.js

@@ -49,6 +49,16 @@ const getMobile = () => {
   return value && String(value).trim() ? String(value).trim() : '';
 };
 
+/**
+ * 从 URL 参数中获取 token
+ * @returns {string} token，不存在返回空字符串
+ */
+const getToken = () => {
+  const params = new URLSearchParams(window.location.search || '');
+  const value = params.get('token');
+  return value && String(value).trim() ? String(value).trim() : '';
+};
+
 /**
  * 从 URL 参数中获取商户 ID
  * @returns {string} 商户 ID，不存在返回空字符串
@@ -97,6 +107,19 @@ const parsePaginatedResponse = (data) => {
   };
 };
 
+/**
+ * 预处理请求 headers，添加 token
+ * @returns {Object} headers 对象
+ */
+const buildHeaders = () => {
+  const headers = { 'Content-Type': 'application/json' };
+  const token = getToken();
+  if (token) {
+    headers['token'] = token;
+  }
+  return headers;
+};
+
 /**
  * 通用 GET 请求
  * @param {string} endpoint - API 端点
@@ -124,7 +147,9 @@ const get = async (endpoint, options = {}) => {
     url += (endpoint.includes('?') ? '&' : '?') + queryString;
   }
   
-  const response = await fetch(url);
+  const response = await fetch(url, {
+    headers: buildHeaders()
+  });
   if (!response.ok) {
     throw new Error(`请求失败: ${response.status} ${response.statusText}`);
   }
@@ -149,7 +174,7 @@ const post = async (endpoint, body, options = {}) => {
   
   const response = await fetch(url, {
     method: 'POST',
-    headers: { 'Content-Type': 'application/json' },
+    headers: buildHeaders(),
     body: JSON.stringify(body)
   });
   
@@ -181,10 +206,7 @@ const patch = async (endpoint, body) => {
   const url = API_BASE + endpoint;
   const response = await fetch(url, {
     method: 'PATCH',
-    headers: { 
-      'Content-Type': 'application/json',
-      'Accept': 'application/json'
-    },
+    headers: buildHeaders(),
     body: JSON.stringify(body)
   });
   
@@ -209,7 +231,10 @@ const del = async (endpoint, options = {}) => {
     url += (endpoint.includes('?') ? '&' : '?') + 'soft=1';
   }
   
-  const response = await fetch(url, { method: 'DELETE' });
+  const response = await fetch(url, { 
+    method: 'DELETE',
+    headers: buildHeaders()
+  });
   if (!response.ok) {
     const errorText = await response.text();
     throw new Error(errorText || `请求失败: ${response.status}`);
@@ -435,6 +460,7 @@ window.ApiService = {
   API_BASE,
   getUserId,
   getMobile,
+  getToken,
   hasOnlyUserId,
   getMerchantId,
   buildUserQueryString,