提交订单添加金额判断

packageA/orderForm/detail.wxml

@@ -80,10 +80,10 @@
         <block wx:if="{{detail.type=='特殊订单'}}">
             <van-button custom-class='but' wx:if="{{detail.status=='新建' && enable.query(options,'insubmit')}}" data-isrecheck="1" bind:click="presubmission">预提交</van-button>
             <van-button custom-class='but' wx:if="{{detail.status=='预提交' && enable.query(options,'revocation')}}" data-isrecheck="0" bind:click="presubmission">撤回</van-button>
-            <van-button custom-class='but' wx:if="{{detail.status=='确认' && enable.query(options,'submit')}}" bind:click="submit">提交订单</van-button>
+            <van-button custom-class='but' wx:if="{{detail.status=='确认' && enable.query(options,'submit')}}" disabled="{{detail.amount<=0}}" bind:click="submit">提交订单</van-button>
         </block>
         <block wx:else>
-            <van-button custom-class='but' wx:if="{{detail.status=='新建' && enable.query(options,'submit')}}" bind:click="submit">提交订单</van-button>
+            <van-button custom-class='but' wx:if="{{detail.status=='新建' && enable.query(options,'submit')}}" disabled="{{detail.amount<=0}}" bind:click="submit">提交订单</van-button>
         </block>
     </view>
 </view>