添加商品扫描共功能

src/pageB/select_product/index.vue

@@ -4,6 +4,7 @@
       <view class="mr-15rpx">商品信息</view>
       <u-search @search="searchGoods" class="flex-1" placeholder="货号或名称" v-model="keyword" :show-action="false">
       </u-search>
+       <u-icon @tap="onQR" class="ml-20rpx" name="scan" color="#333333" size="48"></u-icon>
     </view>
     <!-- 有商品时 -->
     <block v-if="!isShow">
@@ -103,6 +104,20 @@
       }
     },
     methods: {
+      //扫码
+      onQR(){
+        uni.scanCode({
+           onlyFromCamera: true,
+        	success: ({result})=>{
+             this.keyword=result
+             this.searchGoods()
+        	},
+          fail:err=>{
+            this.$u.toast('扫码失败，请重新扫描')
+          }
+        });
+
+      },
       async searchGoods() {
         const resDate = await this.$api.get(`/v1/store/${this.id}/products`, {
           params: {