添加页面及附件查看

miniprogram/pages/purchase/backOrder/backOrder.wxml

@@ -50,6 +50,8 @@
     <view slot="footer" class="card-plugin-footer">
       <t-button wx:if="{{authInfo['SF_ERP_PURCHASE_BACK_DEL']}}" size="small" theme="danger"
         bind:tap="onOrderDel" data-index="{{index}}">删除</t-button>
+      <t-button wx:if="{{item.total_att}}" size="small" bind:tap="onViewAttachment"
+        data-index="{{index}}">附件({{item.total_att}})</t-button>
     </view>
   </card-plugin>
   <pagination-plugin curr_page="{{params.curr_page}}" page_count="{{params.page_count}}"