修复商品详情页分享功能：添加地区信息到朋友圈分享并修复参数接收逻辑

pages/goods-detail/goods-detail.js

@@ -199,20 +199,37 @@ Page({
     const goodsDetail = this.data.goodsDetail || {};
     const title = goodsDetail.name ? `优质鸡蛋 - ${goodsDetail.name}` : '优质鸡蛋货源';
     
-    // 获取联系人和电话号码信息
+    // 获取联系人、电话号码和地区信息
     const contactName = goodsDetail.product_contact || '';
     const contactPhone = goodsDetail.contact_phone || '';
+    const region = goodsDetail.region || '';
     
     // 构建包含联系人信息的分享路径
     const contactNameParam = encodeURIComponent(contactName);
     const contactPhoneParam = encodeURIComponent(contactPhone);
-    const contactPath = contactName && contactPhone 
-      ? `/pages/goods-detail/goods-detail?productId=${goodsDetail.id || goodsDetail.productId}&contactName=${contactNameParam}&contactPhone=${contactPhoneParam}` 
-      : `/pages/goods-detail/goods-detail?productId=${goodsDetail.id || goodsDetail.productId}`;
+    const regionParam = encodeURIComponent(region);
+    
+    // 如果有联系人或地区信息，则添加到分享路径
+    let sharePath = `/pages/goods-detail/goods-detail?productId=${goodsDetail.id || goodsDetail.productId}`;
+    if (contactName && contactPhone && region) {
+      sharePath += `&contactName=${contactNameParam}&contactPhone=${contactPhoneParam}&region=${regionParam}`;
+    } else if (contactName && contactPhone) {
+      sharePath += `&contactName=${contactNameParam}&contactPhone=${contactPhoneParam}`;
+    } else if (contactName && region) {
+      sharePath += `&contactName=${contactNameParam}&region=${regionParam}`;
+    } else if (contactPhone && region) {
+      sharePath += `&contactPhone=${contactPhoneParam}&region=${regionParam}`;
+    } else if (contactName) {
+      sharePath += `&contactName=${contactNameParam}`;
+    } else if (contactPhone) {
+      sharePath += `&contactPhone=${contactPhoneParam}`;
+    } else if (region) {
+      sharePath += `&region=${regionParam}`;
+    }
     
     return {
       title: title,
-      path: contactPath,
+      path: sharePath,
       imageUrl: goodsDetail.imageUrls && goodsDetail.imageUrls.length > 0 ? goodsDetail.imageUrls[0] : '/images/你有好蛋.png'
     }
   },
@@ -222,16 +239,30 @@ Page({
     const goodsDetail = this.data.goodsDetail || {};
     const title = goodsDetail.name ? `优质鸡蛋 - ${goodsDetail.name}` : '优质鸡蛋货源';
     
-    // 获取联系人和电话号码信息
+    // 获取联系人、电话号码和地区信息
     const contactName = goodsDetail.product_contact || '';
     const contactPhone = goodsDetail.contact_phone || '';
+    const region = goodsDetail.region || '';
     
-    // 构建包含联系人信息的分享查询参数
+    // 构建分享查询参数
     const contactNameParam = encodeURIComponent(contactName);
     const contactPhoneParam = encodeURIComponent(contactPhone);
-    const contactQuery = contactName && contactPhone 
-      ? `productId=${goodsDetail.id || goodsDetail.productId}&contactName=${contactNameParam}&contactPhone=${contactPhoneParam}` 
-      : `productId=${goodsDetail.id || goodsDetail.productId}`;
+    const regionParam = encodeURIComponent(region);
+    
+    let queryParams = [`productId=${goodsDetail.id || goodsDetail.productId}`];
+    
+    // 添加联系人信息到查询参数
+    if (contactName) {
+      queryParams.push(`contactName=${contactNameParam}`);
+    }
+    if (contactPhone) {
+      queryParams.push(`contactPhone=${contactPhoneParam}`);
+    }
+    if (region) {
+      queryParams.push(`region=${regionParam}`);
+    }
+    
+    const contactQuery = queryParams.join('&');
     
     return {
       title: title,
@@ -317,7 +348,19 @@ Page({
         product_contact: decodeURIComponent(options.contactName),
         contact_phone: decodeURIComponent(options.contactPhone),
       };
+      
+      // 如果有地区信息，也添加到联系人信息中
+      if (options.region) {
+        contactFromShare.region = decodeURIComponent(options.region);
+      }
+      
       console.log('从分享URL中获取联系人信息:', contactFromShare);
+    } else if (options.region) {
+      // 如果只有地区信息，也需要处理
+      contactFromShare = {
+        region: decodeURIComponent(options.region),
+      };
+      console.log('从分享URL中获取地区信息:', contactFromShare);
     }
     
     // 从商品数据中提取商品ID
@@ -520,7 +563,7 @@ Page({
           if (contactFromShare) {
             contactPhone = contactFromShare.contact_phone || '';
             contactName = contactFromShare.product_contact || '';
-            region = '';
+            region = contactFromShare.region || '';
             console.log('使用分享URL中的联系人信息:', { contactName, contactPhone, region });
           }
           // 优先级2：预加载数据中的联系人信息