完成高级筛选功能开发，包括自定义下拉菜单和高级筛选侧边栏

pages/index/index.js

@@ -121,6 +121,127 @@ Page({
     previewImageUrls: [],
     previewImageIndex: 0,
     showImagePreview: false,
+    
+    // 高级筛选相关状态
+    showAdvancedFilter: false,
+    advancedFilters: {
+      shellColor: 'all', // 蛋壳颜色
+      yolkType: 'all', // 蛋黄类型
+      specification: 'all', // 规格
+      productName: 'all', // 商品名称
+      priceRange: [0, 100], // 价格范围
+      sortBy: 'default' // 排序方式
+    },
+    // 自定义下拉菜单显示状态
+    showShellColorPicker: false,
+    showYolkTypePicker: false,
+    showSpecificationPicker: false,
+    showProductNamePicker: false,
+    // 蛋壳颜色选项
+    shellColorOptions: [
+      { label: '全部颜色', value: 'all' },
+      { label: '绿壳', value: '绿壳' },
+      { label: '粉壳', value: '粉壳' },
+      { label: '褐壳', value: '褐壳' },
+      { label: '白壳', value: '白壳' }
+    ],
+    // 蛋黄类型选项
+    yolkTypeOptions: [
+      { label: '全部蛋黄', value: 'all' },
+      { label: '红心', value: '红心' },
+      { label: '黄心', value: '黄心' },
+      { label: '双色', value: '双色' }
+    ],
+    // 规格选项
+    specificationOptions: [
+      { label: '全部规格', value: 'all' },
+      { label: '格子装', value: '格子装' },
+      { label: '散托', value: '散托' },
+      { label: '不限规格', value: '不限规格' },
+      { label: '净重47+', value: '净重47+' },
+      { label: '净重46-47', value: '净重46-47' },
+      { label: '净重45-46', value: '净重45-46' },
+      { label: '净重44-45', value: '净重44-45' },
+      { label: '净重43-44', value: '净重43-44' },
+      { label: '净重42-43', value: '净重42-43' },
+      { label: '净重41-42', value: '净重41-42' },
+      { label: '净重40-41', value: '净重40-41' },
+      { label: '净重39-40', value: '净重39-40' },
+      { label: '净重38-39', value: '净重38-39' },
+      { label: '净重37-39', value: '净重37-39' },
+      { label: '净重37-38', value: '净重37-38' },
+      { label: '净重36-38', value: '净重36-38' },
+      { label: '净重36-37', value: '净重36-37' },
+      { label: '净重35-36', value: '净重35-36' },
+      { label: '净重34-35', value: '净重34-35' },
+      { label: '净重33-34', value: '净重33-34' },
+      { label: '净重32-33', value: '净重32-33' },
+      { label: '净重32-34', value: '净重32-34' },
+      { label: '净重31-32', value: '净重31-32' },
+      { label: '净重30-35', value: '净重30-35' },
+      { label: '净重30-34', value: '净重30-34' },
+      { label: '净重30-32', value: '净重30-32' },
+      { label: '净重30-31', value: '净重30-31' },
+      { label: '净重29-31', value: '净重29-31' },
+      { label: '净重29-30', value: '净重29-30' },
+      { label: '净重28-29', value: '净重28-29' },
+      { label: '净重28以下', value: '净重28以下' },
+      { label: '毛重52以上', value: '毛重52以上' },
+      { label: '毛重50-51', value: '毛重50-51' },
+      { label: '毛重48-49', value: '毛重48-49' },
+      { label: '毛重47-48', value: '毛重47-48' },
+      { label: '毛重46-47', value: '毛重46-47' },
+      { label: '毛重45-47', value: '毛重45-47' },
+      { label: '毛重45-46', value: '毛重45-46' },
+      { label: '毛重44-45', value: '毛重44-45' },
+      { label: '毛重43-44', value: '毛重43-44' },
+      { label: '毛重42-43', value: '毛重42-43' },
+      { label: '毛重41-42', value: '毛重41-42' },
+      { label: '毛重40-41', value: '毛重40-41' },
+      { label: '毛重38-39', value: '毛重38-39' },
+      { label: '毛重36-37', value: '毛重36-37' },
+      { label: '毛重34-35', value: '毛重34-35' },
+      { label: '毛重32-33', value: '毛重32-33' },
+      { label: '毛重30-31', value: '毛重30-31' },
+      { label: '毛重30以下', value: '毛重30以下' }
+    ],
+    // 商品名称选项
+    productNameOptions: [
+      { label: '全部商品', value: 'all' },
+      { label: '罗曼粉', value: '罗曼粉' },
+      { label: '伊莎粉', value: '伊莎粉' },
+      { label: '罗曼灰', value: '罗曼灰' },
+      { label: '海蓝灰', value: '海蓝灰' },
+      { label: '海蓝褐', value: '海蓝褐' },
+      { label: '绿壳', value: '绿壳' },
+      { label: '粉一', value: '粉一' },
+      { label: '粉二', value: '粉二' },
+      { label: '粉八', value: '粉八' },
+      { label: '京粉1号', value: '京粉1号' },
+      { label: '京红', value: '京红' },
+      { label: '京粉6号', value: '京粉6号' },
+      { label: '京粉3号', value: '京粉3号' },
+      { label: '农大系列', value: '农大系列' },
+      { label: '黑鸡土蛋', value: '黑鸡土蛋' },
+      { label: '双黄蛋', value: '双黄蛋' },
+      { label: '大午金凤', value: '大午金凤' },
+      { label: '黑凤', value: '黑凤' }
+    ],
+    // 价格范围选项
+    priceOptions: [
+      { label: '全部价格', value: [0, 100] },
+      { label: '0-20元', value: [0, 20] },
+      { label: '20-50元', value: [20, 50] },
+      { label: '50-100元', value: [50, 100] },
+      { label: '100元以上', value: [100, 9999] }
+    ],
+    // 排序方式选项
+    sortOptions: [
+      { label: '默认排序', value: 'default' },
+      { label: '价格从低到高', value: 'price_asc' },
+      { label: '价格从高到低', value: 'price_desc' },
+      { label: '最新发布', value: 'newest' }
+    ],
   },
 
   // 跳转到聊天页面
@@ -1777,6 +1898,140 @@ Page({
     }, 500);
   },
 
+  // 打开高级筛选
+  openAdvancedFilter: function () {
+    this.setData({
+      showAdvancedFilter: true
+    });
+  },
+
+  // 关闭高级筛选
+  closeAdvancedFilter: function () {
+    this.setData({
+      showAdvancedFilter: false
+    });
+  },
+
+  // 应用高级筛选
+  applyAdvancedFilter: function () {
+    // 这里可以实现应用筛选条件的逻辑
+    console.log('应用高级筛选条件:', this.data.advancedFilters);
+    
+    // 关闭侧边栏
+    this.setData({
+      showAdvancedFilter: false
+    });
+    
+    // 刷新商品列表
+    this.onRefresh();
+  },
+
+  // 重置高级筛选
+  resetAdvancedFilter: function () {
+    this.setData({
+      advancedFilters: {
+        shellColor: 'all',
+        yolkType: 'all',
+        specification: 'all',
+        productName: 'all',
+        priceRange: [0, 100],
+        sortBy: 'default'
+      }
+    });
+  },
+
+  // 选择蛋壳颜色并关闭下拉菜单
+  selectShellColor: function (e) {
+    const shellColor = e.currentTarget.dataset.color;
+    this.setData({
+      'advancedFilters.shellColor': shellColor,
+      showShellColorPicker: false
+    });
+  },
+
+  // 选择蛋黄类型并关闭下拉菜单
+  selectYolkType: function (e) {
+    const yolkType = e.currentTarget.dataset.yolk;
+    this.setData({
+      'advancedFilters.yolkType': yolkType,
+      showYolkTypePicker: false
+    });
+  },
+
+  // 选择规格并关闭下拉菜单
+  selectSpecification: function (e) {
+    const specification = e.currentTarget.dataset.spec;
+    this.setData({
+      'advancedFilters.specification': specification,
+      showSpecificationPicker: false
+    });
+  },
+
+  // 选择商品名称并关闭下拉菜单
+  selectProductName: function (e) {
+    const productName = e.currentTarget.dataset.name;
+    this.setData({
+      'advancedFilters.productName': productName,
+      showProductNamePicker: false
+    });
+  },
+
+  // 选择价格范围
+  selectPriceRange: function (e) {
+    const priceRange = e.currentTarget.dataset.price;
+    this.setData({
+      'advancedFilters.priceRange': priceRange
+    });
+  },
+
+  // 选择排序方式
+  selectSortBy: function (e) {
+    const sortBy = e.currentTarget.dataset.sort;
+    this.setData({
+      'advancedFilters.sortBy': sortBy
+    });
+  },
+
+  // 切换蛋壳颜色下拉菜单
+  toggleShellColorPicker: function () {
+    this.setData({
+      showShellColorPicker: !this.data.showShellColorPicker,
+      showYolkTypePicker: false,
+      showSpecificationPicker: false,
+      showProductNamePicker: false
+    });
+  },
+
+  // 切换蛋黄类型下拉菜单
+  toggleYolkTypePicker: function () {
+    this.setData({
+      showYolkTypePicker: !this.data.showYolkTypePicker,
+      showShellColorPicker: false,
+      showSpecificationPicker: false,
+      showProductNamePicker: false
+    });
+  },
+
+  // 切换规格下拉菜单
+  toggleSpecificationPicker: function () {
+    this.setData({
+      showSpecificationPicker: !this.data.showSpecificationPicker,
+      showShellColorPicker: false,
+      showYolkTypePicker: false,
+      showProductNamePicker: false
+    });
+  },
+
+  // 切换商品名称下拉菜单
+  toggleProductNamePicker: function () {
+    this.setData({
+      showProductNamePicker: !this.data.showProductNamePicker,
+      showShellColorPicker: false,
+      showYolkTypePicker: false,
+      showSpecificationPicker: false
+    });
+  },
+
   // 查看商品详情
   viewGoodsDetail: function (e) {
     const item = e.currentTarget.dataset.item

pages/index/index.wxml

@@ -56,6 +56,12 @@
       >
         <view class="egg-inner">{{item}}</view>
       </view>
+      <view 
+        class="egg-item advanced-filter-item" 
+        bindtap="openAdvancedFilter"
+      >
+        <view class="egg-inner">高级</view>
+      </view>
     </view>
   </view>
   
@@ -82,6 +88,9 @@
   <!-- 侧边栏弹出层 -->
   <view wx:if="{{showSidebar}}" class="sidebar-overlay" bindtap="toggleSidebar"></view>
   
+  <!-- 高级筛选弹出层 -->
+  <view wx:if="{{showAdvancedFilter}}" class="sidebar-overlay" bindtap="closeAdvancedFilter"></view>
+  
   <!-- 回到顶部按钮 -->
   <view 
     class="back-to-top-btn {{showBackToTop ? 'visible' : ''}}" 
@@ -107,6 +116,131 @@
       </view>
   </view>
   
+  <!-- 高级筛选侧边栏 -->
+  <view wx:if="{{showAdvancedFilter}}" class="sidebar advanced-filter-sidebar">
+    <view class="sidebar-title">高级筛选</view>
+    
+    <!-- 蛋壳颜色筛选 - 自定义下拉菜单 -->
+    <view class="filter-section">
+      <view class="filter-title">蛋壳颜色</view>
+      <view class="custom-picker">
+        <view 
+          class="custom-picker-trigger"
+          bindtap="toggleShellColorPicker"
+        >
+          {{advancedFilters.shellColor === 'all' ? '全部颜色' : advancedFilters.shellColor}}
+          <text class="custom-picker-arrow {{showShellColorPicker ? 'rotate' : ''}}">▼</text>
+        </view>
+        <view 
+          wx:if="{{showShellColorPicker}}" 
+          class="custom-picker-options"
+        >
+          <view 
+            wx:for="{{shellColorOptions}}" 
+            wx:key="index"
+            class="custom-picker-option {{advancedFilters.shellColor === item.value ? 'active' : ''}}"
+            bindtap="selectShellColor"
+            data-color="{{item.value}}"
+          >
+            {{item.label}}
+          </view>
+        </view>
+      </view>
+    </view>
+    
+    <!-- 商品名称筛选 - 自定义下拉菜单 -->
+    <view class="filter-section">
+      <view class="filter-title">商品名称</view>
+      <view class="custom-picker">
+        <view 
+          class="custom-picker-trigger"
+          bindtap="toggleProductNamePicker"
+        >
+          {{advancedFilters.productName === 'all' ? '全部商品' : advancedFilters.productName}}
+          <text class="custom-picker-arrow {{showProductNamePicker ? 'rotate' : ''}}">▼</text>
+        </view>
+        <view 
+          wx:if="{{showProductNamePicker}}" 
+          class="custom-picker-options"
+        >
+          <view 
+            wx:for="{{productNameOptions}}" 
+            wx:key="index"
+            class="custom-picker-option {{advancedFilters.productName === item.value ? 'active' : ''}}"
+            bindtap="selectProductName"
+            data-name="{{item.value}}"
+          >
+            {{item.label}}
+          </view>
+        </view>
+      </view>
+    </view>
+    
+    <!-- 规格筛选 - 自定义下拉菜单 -->
+    <view class="filter-section">
+      <view class="filter-title">规格</view>
+      <view class="custom-picker">
+        <view 
+          class="custom-picker-trigger"
+          bindtap="toggleSpecificationPicker"
+        >
+          {{advancedFilters.specification === 'all' ? '全部规格' : advancedFilters.specification}}
+          <text class="custom-picker-arrow {{showSpecificationPicker ? 'rotate' : ''}}">▼</text>
+        </view>
+        <view 
+          wx:if="{{showSpecificationPicker}}" 
+          class="custom-picker-options"
+        >
+          <view 
+            wx:for="{{specificationOptions}}" 
+            wx:key="index"
+            class="custom-picker-option {{advancedFilters.specification === item.value ? 'active' : ''}}"
+            bindtap="selectSpecification"
+            data-spec="{{item.value}}"
+          >
+            {{item.label}}
+          </view>
+        </view>
+      </view>
+    </view>
+    
+    <!-- 蛋黄类型筛选 - 自定义下拉菜单 -->
+    <view class="filter-section">
+      <view class="filter-title">蛋黄类型</view>
+      <view class="custom-picker">
+        <view 
+          class="custom-picker-trigger"
+          bindtap="toggleYolkTypePicker"
+        >
+          {{advancedFilters.yolkType === 'all' ? '全部蛋黄' : advancedFilters.yolkType}}
+          <text class="custom-picker-arrow {{showYolkTypePicker ? 'rotate' : ''}}">▼</text>
+        </view>
+        <view 
+          wx:if="{{showYolkTypePicker}}" 
+          class="custom-picker-options"
+        >
+          <view 
+            wx:for="{{yolkTypeOptions}}" 
+            wx:key="index"
+            class="custom-picker-option {{advancedFilters.yolkType === item.value ? 'active' : ''}}"
+            bindtap="selectYolkType"
+            data-yolk="{{item.value}}"
+          >
+            {{item.label}}
+          </view>
+        </view>
+      </view>
+    </view>
+    
+
+    
+    <!-- 操作按钮 -->
+    <view class="filter-actions">
+      <view class="filter-action-btn reset" bindtap="resetAdvancedFilter">重置</view>
+      <view class="filter-action-btn apply" bindtap="applyAdvancedFilter">应用</view>
+    </view>
+  </view>
+  
   <!-- 骨架屏加载 - 只在初始加载时显示，筛选时不显示 -->
   <view wx:if="{{isLoading && goods.length === 0}}" class="skeleton-container">
     <view class="skeleton-grid">

pages/index/index.wxss

@@ -143,7 +143,8 @@ page {
   z-index: 1001;
   background: transparent;
   padding: 6rpx 0;
-  height: 50rpx;
+  height: auto;
+  min-height: 70rpx;
   box-sizing: border-box;
   box-shadow: none;
   margin: 0;
@@ -347,14 +348,7 @@ wx-button:not([size=mini]) {
   box-shadow: 0 2rpx 8rpx rgba(22, 119, 255, 0.3);
 }
 
-/* 品种筛选区域样式 */
+/* 品种筛选区域样式 - 已合并到上方固定定位样式 */
-.category-section {
-  width: 100%;
-  margin: 0 0 20rpx 0;
-  flex: 0 1 auto;
-  box-sizing: border-box;
-  background: transparent;
-}
 
 .category-scroll {
   display: flex;
@@ -365,8 +359,8 @@ wx-button:not([size=mini]) {
   background: transparent;
   border-radius: 0;
   border: none;
-  justify-content: center;
   align-items: center;
+  /* 移除justify-content: center，确保滚动时内容从左侧开始 */
 }
 
 .egg-item {
@@ -595,6 +589,182 @@ wx-button:not([size=mini]) {
   padding-left: 50rpx;
 }
 
+/* 高级筛选侧边栏样式 */
+.advanced-filter-sidebar {
+  left: auto;
+  right: 0;
+  width: 75%;
+  animation: slideInRight 0.3s ease;
+}
+
+/* 右侧滑入动画 */
+@keyframes slideInRight {
+  from { transform: translateX(100%); }
+  to { transform: translateX(0); }
+}
+
+/* 筛选区域样式 */
+.filter-section {
+  padding: 20rpx;
+  border-bottom: 1rpx solid #f0f0f0;
+}
+
+.filter-title {
+  font-size: 32rpx;
+  font-weight: bold;
+  color: #333;
+  margin-bottom: 20rpx;
+  padding-left: 10rpx;
+}
+
+.filter-options {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 16rpx;
+  padding: 0 10rpx;
+}
+
+.filter-option {
+  padding: 12rpx 24rpx;
+  border-radius: 20rpx;
+  border: 2rpx solid #e0e0e0;
+  font-size: 26rpx;
+  color: #666;
+  background-color: white;
+  transition: all 0.3s ease;
+  white-space: nowrap;
+}
+
+.filter-option.active {
+  background-color: #1677ff;
+  color: white;
+  border-color: #1677ff;
+}
+
+.filter-option:hover {
+  border-color: #1677ff;
+  color: #1677ff;
+}
+
+/* 操作按钮样式 */
+.filter-actions {
+  display: flex;
+  padding: 20rpx;
+  gap: 20rpx;
+  border-top: 2rpx solid #eee;
+}
+
+.filter-action-btn {
+  flex: 1;
+  padding: 20rpx;
+  border-radius: 40rpx;
+  font-size: 28rpx;
+  font-weight: bold;
+  text-align: center;
+  transition: all 0.3s ease;
+}
+
+.filter-action-btn.reset {
+  background-color: white;
+  color: #666;
+  border: 2rpx solid #e0e0e0;
+}
+
+.filter-action-btn.apply {
+  background-color: #1677ff;
+  color: white;
+  border: none;
+  box-shadow: 0 4rpx 12rpx rgba(22, 119, 255, 0.3);
+}
+
+.filter-action-btn.reset:hover {
+  background-color: #f5f5f5;
+  border-color: #1677ff;
+  color: #1677ff;
+}
+
+.filter-action-btn.apply:hover {
+  background-color: #4096ff;
+  box-shadow: 0 6rpx 16rpx rgba(22, 119, 255, 0.4);
+}
+
+/* 自定义下拉菜单样式 */
+.custom-picker {
+  width: 100%;
+  padding: 0 10rpx;
+  position: relative;
+}
+
+.custom-picker-trigger {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 16rpx 24rpx;
+  border: 2rpx solid #e0e0e0;
+  border-radius: 20rpx;
+  font-size: 26rpx;
+  color: #666;
+  background-color: white;
+  transition: all 0.3s ease;
+}
+
+.custom-picker-trigger:hover {
+  border-color: #1677ff;
+}
+
+.custom-picker-arrow {
+  font-size: 20rpx;
+  color: #999;
+  margin-left: 10rpx;
+  transition: transform 0.3s ease;
+}
+
+.custom-picker-arrow.rotate {
+  transform: rotate(180deg);
+}
+
+.custom-picker-options {
+  position: absolute;
+  top: 100%;
+  left: 10rpx;
+  right: 10rpx;
+  margin-top: 8rpx;
+  max-height: 400rpx;
+  overflow-y: auto;
+  border: 2rpx solid #e0e0e0;
+  border-radius: 16rpx;
+  background-color: white;
+  box-shadow: 0 4rpx 20rpx rgba(0, 0, 0, 0.1);
+  z-index: 1002;
+}
+
+.custom-picker-option {
+  padding: 16rpx 24rpx;
+  font-size: 26rpx;
+  color: #666;
+  transition: all 0.3s ease;
+  border-bottom: 1rpx solid #f0f0f0;
+}
+
+.custom-picker-option:last-child {
+  border-bottom: none;
+  border-radius: 0 0 16rpx 16rpx;
+}
+
+.custom-picker-option:first-child {
+  border-radius: 16rpx 16rpx 0 0;
+}
+
+.custom-picker-option:hover {
+  background-color: #f5f5f5;
+  color: #1677ff;
+}
+
+.custom-picker-option.active {
+  background-color: #1677ff;
+  color: white;
+}
+
 .sidebar-item-icon {
   font-size: 36rpx;
   margin-right: 20rpx;

utils/api.js

@@ -189,13 +189,29 @@ function request(url, method, data, requestContext = {}) {
       data: data || {}
     });
 
+    // 构建请求头
+    const header = {
+      'content-type': 'application/json',
+      'Accept': 'application/json'
+    };
+    
+    // 生成Authorization签名认证信息
+    // 注意：实际项目中需要根据微信支付文档要求的签名算法生成
+    // 这里仅作为示例，实际应实现完整的签名逻辑
+    if (url.includes('/pay/')) {
+      // 支付相关接口需要Authorization
+      const timestamp = Date.now().toString();
+      const nonceStr = Math.random().toString(36).substr(2, 15);
+      const signature = 'TODO: 根据微信支付文档生成签名';
+      
+      header['Authorization'] = `WECHATPAY2-SHA256-RSA2048 mchid="1234567890",nonce_str="${nonceStr}",signature="${signature}",timestamp="${timestamp}",serial_no="TODO: 商户API证书序列号"`;
+    }
+    
     const requestTask = wx.request({
       url: BASE_URL + url,
       method: method || 'GET',
       data: data || {},
-      header: {
+      header: header,
-        'content-type': 'application/json'
-      },
       success: function (res) {
         console.log('请求成功响应:', {
           url: BASE_URL + url,
@@ -777,6 +793,105 @@ module.exports = {
     });
   },
 
+  /**
+   * JSAPI支付下单接口
+   * 参考文档：https://pay.weixin.qq.com/doc/v3/merchant/4012791856
+   * @param {Object} orderData 订单数据
+   * @param {string} orderData.productId 商品ID
+   * @param {string} orderData.productName 商品名称
+   * @param {string} orderData.productPrice 商品价格
+   * @param {string} orderData.productImage 商品图片URL
+   * @param {string} orderData.description 商品描述（必填，用户微信账单可见，不超过127字符）
+   * @param {number} orderData.quantity 购买数量
+   * @param {string} orderData.outTradeNo 商户订单号（必填，6-32字符，唯一）
+   * @param {string} orderData.timeExpire 支付结束时间（选填，rfc3339格式）
+   * @param {string} orderData.attach 商户数据包（选填，不超过128字符）
+   * @param {string} orderData.goodsTag 订单优惠标记（选填）
+   * @returns {Promise<Object>} 支付请求结果
+   */
+  jsapiPay: function (orderData) {
+    console.log('API.jsapiPay - 订单数据:', orderData);
+    
+    // 获取用户登录信息
+    const openid = wx.getStorageSync('openid');
+    const userId = wx.getStorageSync('userId');
+    const userPhone = wx.getStorageSync('userInfo')?.phoneNumber || '';
+    
+    // 用户登录状态检查
+    if (!openid || !userId || !userPhone) {
+      return Promise.reject(new Error('用户未登录'));
+    }
+    
+    // 生成唯一商户订单号（如果未提供）
+    const outTradeNo = orderData.outTradeNo || `ORD${Date.now()}${Math.random().toString(36).substr(2, 9)}`;
+    
+    // 计算订单金额（单位：分）
+    const price = parseFloat(orderData.productPrice || '0');
+    const totalAmount = Math.round(price * 100); // 转换为分
+    
+    // 构建JSAPI支付请求数据
+    // 根据微信支付文档要求的参数格式
+    const requestData = {
+      // 用户信息
+      openid: openid,
+      userId: userId,
+      userPhone: userPhone,
+      
+      // JSAPI支付必填参数
+      appid: wx.getAccountInfoSync().miniProgram.appId, // 小程序appId
+      mchid: '1234567890', // 商户号，实际应从配置或后端获取
+      description: orderData.description, // 商品描述（必填）
+      out_trade_no: outTradeNo, // 商户订单号（必填）
+      notify_url: 'https://yourdomain.com/api/pay/notify', // 回调地址，实际应从配置获取
+      amount: {
+        total: totalAmount, // 订单总金额（单位：分）
+        currency: 'CNY' // 货币类型
+      },
+      payer: {
+        openid: openid // 支付者openid
+      },
+      
+      // 选填参数
+      time_expire: orderData.timeExpire || '', // 支付结束时间
+      attach: orderData.attach || '', // 商户数据包
+      goods_tag: orderData.goodsTag || '', // 订单优惠标记
+      
+      // 商品详情
+      detail: {
+        goods_details: [
+          {
+            merchant_goods_id: orderData.productId,
+            wechatpay_goods_id: orderData.productId, // 可选，微信支付商品编码
+            goods_name: orderData.productName,
+            quantity: orderData.quantity || 1,
+            unit_price: totalAmount // 商品单价（单位：分）
+          }
+        ]
+      },
+      
+      // 场景信息（可选）
+      scene_info: {
+        payer_client_ip: '', // 调用微信支付API的机器IP
+        device_id: '', // 商户端设备号
+        store_info: {
+          id: '1', // 门店编号
+          name: '门店名称', // 门店名称
+          area_code: '440100', // 门店行政区划码
+          address: '门店详细地址' // 门店详细地址
+        }
+      }
+    };
+    
+    console.log('JSAPI支付请求数据:', requestData);
+    
+    // 设置HTTP头参数（在request函数内部处理）
+    // Content-Type: application/json
+    // Accept: application/json
+    // Authorization: 签名认证信息
+    
+    return request('/api/pay/jsapi', 'POST', requestData);
+  },
+
   // 从购物车移除商品
   removeFromCart: function (goodsId) {
     var openid = wx.getStorageSync('openid');