update[litemall-wx]: 商品没有货时，显示“商品已售空”。

litemall-wx/pages/goods/goods.js

@@ -24,7 +24,8 @@ Page({
     openAttr: false,
     noCollectImage: '/static/images/icon_collect.png',
     hasCollectImage: '/static/images/icon_collect_checked.png',
-    collectBackImage: '/static/images/icon_collect.png'
+    collectBackImage: '/static/images/icon_collect.png',
+    soldout: false
   },
   getGoodsInfo: function () {
     let that = this;
@@ -197,6 +198,9 @@ Page({
       // 规格所对应的货品选择以后
       let checkedProductArray = this.getCheckedProductItem(this.getCheckedSpecKey());
       if (!checkedProductArray || checkedProductArray.length <= 0) {
+        this.setData({
+          soldout: true
+        });
         console.error('规格所对应货品不存在');
         return;
       }
@@ -204,21 +208,23 @@ Page({
       let checkedProduct = checkedProductArray[0];
       if (checkedProduct.goodsNumber > 0){
         this.setData({
-          checkedSpecPrice: checkedProduct.retailPrice
+          checkedSpecPrice: checkedProduct.retailPrice,
+          soldout: false
         });
       }
       else{
         this.setData({
-          checkedSpecPrice: this.data.goods.retailPrice
+          checkedSpecPrice: this.data.goods.retailPrice,
+          soldout: true
         }); 
       }
       
-
     }
     else{
       this.setData({
         checkedSpecText: '规格数量选择',
-        checkedSpecPrice: this.data.goods.retailPrice
+        checkedSpecPrice: this.data.goods.retailPrice,
+        soldout: false
       });
     }
 

litemall-wx/pages/goods/goods.wxml

@@ -138,10 +138,10 @@
       <view class="box">
         <text class="cart-count">{{cartGoodsCount}}</text>
         <image bindtap="openCartPage" class="icon" src="/static/images/ic_menu_shoping_nor.png"></image>
-
       </view>
     </view>
-    <view class="c" bindtap="addFast">立即购买</view>
-    <view class="r" bindtap="addToCart">加入购物车</view>
+    <view class="c" bindtap="addFast" wx:if="{{!soldout}}">立即购买</view>
+    <view class="r" bindtap="addToCart" wx:if="{{!soldout}}">加入购物车</view>
+    <view class="n" wx:if="{{soldout}}">商品已售空</view>
   </view>
 </scroll-view>
\ No newline at end of file

litemall-wx/pages/goods/goods.wxss

@@ -590,6 +590,17 @@
     text-align: center;
     color: #fff;
 }
+
+.bottom-btn .n{
+    border:1px solid #f4f4f4;
+    background: #f4f4f4;
+    float: left;
+    height: 100rpx;
+    line-height: 96rpx;
+    flex: 1;
+    text-align: center;
+}
+
 @import "../../lib/wxParse/wxParse.wxss";
 
 .attr-pop{