初始

utils/request.js

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+// utils/request.js - 网络请求封装
+
+const app = getApp();
+
+// 请求配置
+const config = {
+  timeout: 10000,
+  header: {
+    'Content-Type': 'application/json'
+  }
+};
+
+/**
+ * 封装的请求方法
+ * @param {Object} options - 请求选项
+ * @param {string} options.url - 请求地址
+ * @param {string} options.method - 请求方法
+ * @param {Object} options.data - 请求数据
+ * @param {Object} options.header - 请求头
+ * @param {boolean} options.showLoading - 是否显示loading
+ * @param {string} options.loadingText - loading文字
+ */
+const request = (options) => {
+  return new Promise((resolve, reject) => {
+    const {
+      url,
+      method = 'GET',
+      data = {},
+      header = {},
+      showLoading = true,
+      loadingText = '加载中...'
+    } = options;
+
+    // 显示loading
+    if (showLoading) {
+      wx.showLoading({
+        title: loadingText,
+        mask: true
+      });
+    }
+
+    // 合并请求头
+    const requestHeader = {
+      ...config.header,
+      ...header
+    };
+
+    // 添加token
+    if (app.globalData.token) {
+      requestHeader['Authorization'] = `Bearer ${app.globalData.token}`;
+    }
+
+    // 拼接完整URL
+    const fullUrl = url.startsWith('http') ? url : `${app.globalData.baseUrl}${url}`;
+
+    wx.request({
+      url: fullUrl,
+      method,
+      data,
+      header: requestHeader,
+      timeout: config.timeout,
+      success: (res) => {
+        if (showLoading) {
+          wx.hideLoading();
+        }
+
+        const { statusCode, data: responseData } = res;
+
+        // HTTP状态码判断
+        if (statusCode >= 200 && statusCode < 300) {
+          // 业务状态码判断（根据实际接口调整）
+          if (responseData.code === 0 || responseData.code === 200) {
+            resolve(responseData);
+          } else if (responseData.code === 401) {
+            // token过期，清除登录状态
+            app.clearToken();
+            wx.showToast({
+              title: '登录已过期，请重新登录',
+              icon: 'none'
+            });
+            reject(responseData);
+          } else {
+            wx.showToast({
+              title: responseData.message || '请求失败',
+              icon: 'none'
+            });
+            reject(responseData);
+          }
+        } else {
+          wx.showToast({
+            title: `请求失败(${statusCode})`,
+            icon: 'none'
+          });
+          reject(res);
+        }
+      },
+      fail: (err) => {
+        if (showLoading) {
+          wx.hideLoading();
+        }
+        wx.showToast({
+          title: '网络请求失败',
+          icon: 'none'
+        });
+        reject(err);
+      }
+    });
+  });
+};
+
+// GET请求
+const get = (url, data = {}, options = {}) => {
+  return request({
+    url,
+    method: 'GET',
+    data,
+    ...options
+  });
+};
+
+// POST请求
+const post = (url, data = {}, options = {}) => {
+  return request({
+    url,
+    method: 'POST',
+    data,
+    ...options
+  });
+};
+
+// PUT请求
+const put = (url, data = {}, options = {}) => {
+  return request({
+    url,
+    method: 'PUT',
+    data,
+    ...options
+  });
+};
+
+// DELETE请求
+const del = (url, data = {}, options = {}) => {
+  return request({
+    url,
+    method: 'DELETE',
+    data,
+    ...options
+  });
+};
+
+module.exports = {
+  request,
+  get,
+  post,
+  put,
+  del
+};