文案

src/component/sharePoster/sharePoster.js

@@ -11,6 +11,10 @@ Component({
       type: String,
       value: ''
     },
+    cardExplain:{ //文案
+      type: String,
+      value: ''
+    },
     productDesc: { // 产品描述
       type: String,
       value: ''
@@ -181,13 +185,32 @@ Component({
         // title
         console.log('productDesc', that.data.productDesc)
         if (that.data.productDesc){
-          ctx.setFontSize(12);
-          ctx.setFillStyle('#333333');
-          ctx.setTextAlign('left');
-          ctx.fillText(that.data.productDesc, 61, 300); 
+            ctx.setFontSize(12);
+            ctx.setFillStyle('#333333');
+            ctx.setTextAlign('left');
+          ctx.fillText(that.data.productDesc, 61, 300);
+        }else{
+          let explain = JSON.parse(that.data.cardExplain)
+          if (explain[0]){
+            ctx.setFontSize(12);
+            ctx.setFillStyle('#333333');
+            ctx.setTextAlign('left');
+            ctx.fillText(explain[0], 61, 300); 
+          }
+          if (explain[1]) {
+            ctx.setFontSize(12);
+            ctx.setFillStyle('#333333');
+            ctx.setTextAlign('left');
+            ctx.fillText(explain[1], 61, 314);
+          }
+          if (explain[2]) {
+            ctx.setFontSize(12);
+            ctx.setFillStyle('#333333');
+            ctx.setTextAlign('left');
+            ctx.fillText(explain[2], 61, 326);
+          }
         }
 
-
         //产品金额
         // if (that.data.price || that.data.price == 0) {
         //   ctx.setFontSize(25);

src/pages/extendProduct/extendProduct.js

@@ -201,7 +201,7 @@ wxService.page({
               }else{
                 this.setData({
                   cardTitle: this.data.explain ? this.data.explain : this.data.proData[0].productName,
-                  cardUrl: this.data.proData[0].productImgUrl,
+                  cardUrl: this.data.proData[0].productImgUrl || 'https://bigaka-xie.oss-cn-shanghai.aliyuncs.com/product_defalut.jpg',
                   pagePath: path,
                   scene: scene
                 });

src/pages/extendProduct/extendProduct.wxml

@@ -50,7 +50,7 @@
 			<view class="buy-product-content">
 				<view class="buy-list" wx:if="{{extendProList.length}}" wx:for="{{extendProList}}" wx:key="{{index}}">
 					<view class="prod-img">
-						<image src="{{item.productImgUrl}}" />
+						<image src="{{item.productImgUrl || 'https://bigaka-xie.oss-cn-shanghai.aliyuncs.com/product_defalut.jpg'}}" />
 					</view>
 					<view class="prod-info">
 						<view class="prod-name">{{item.productName}}</view>
@@ -185,7 +185,7 @@
  page-path="{{pagePath}}"
  scene="{{scene}}"
 />
-<share-poster id="getPoster" bindmyevent="myEventListener" avater="{{cardUrl}}"  productDesc="{{cardTitle}}" userAvatar="https://xiedemo.oss-cn-shanghai.aliyuncs.com/logo_head.jpg" bind:showMiniCard="_showMiniCard" pagePath="{{pagePath}}" code-img="{{codeImg}}"></share-poster>
+<share-poster id="getPoster" bindmyevent="myEventListener" avater="{{cardUrl}}"  cardExplain="{{cardTitle}}" userAvatar="https://xiedemo.oss-cn-shanghai.aliyuncs.com/logo_head.jpg" bind:showMiniCard="_showMiniCard" pagePath="{{pagePath}}" code-img="{{codeImg}}"></share-poster>
 <!--goHome-->
 <go-home/>