优化直播订单费用信息展示

src/views/live/liveOrder/liveOrderDetails.vue

@@ -185,9 +185,14 @@
         <el-button size="mini" circle icon="el-icon-search" @click="showListD()" />
       </el-tooltip>
       <el-descriptions :column="3" border  >
-        <el-descriptions-item label="商品合计"  ><span v-if="item!=null">{{item.totalPrice}}</span></el-descriptions-item>
-        <el-descriptions-item label="应付金额"><span v-if="item.payMoney!=null">{{item.payMoney}}</span></el-descriptions-item>
-        <el-descriptions-item label="运费"><span v-if="item.payPostage!=null">{{item.payPostage}}</span></el-descriptions-item>
+        <el-descriptions-item label="商品合计"  ><span v-if="item!=null">{{(
+          parseFloat(item.totalPrice || 0) +
+          parseFloat(item.discountMoney || 0) -
+          parseFloat(item.payDelivery || 0)).toFixed(2)}}</span></el-descriptions-item>
+        <el-descriptions-item label="应付金额"><span v-if="item!=null">
+          {{item.totalPrice}}
+    </span></el-descriptions-item>
+        <el-descriptions-item label="运费"><span v-if="item.payPostage!=null">{{item.payDelivery}}</span></el-descriptions-item>
         <el-descriptions-item label="优惠券"  ><span v-if="item.discountMoney!=null">{{item.discountMoney}}</span></el-descriptions-item>
         <el-descriptions-item label="积分抵扣" >  <span v-if="item!=null">{{item.payIntegral}}</span>  </el-descriptions-item>
         <el-descriptions-item label="实付金额" >  <span v-if="item!=null">{{item.payMoney}}</span>  </el-descriptions-item>