托书单价计算，数量净重毛重小数位数修改

src/views/book/addBookDrawer.vue

@@ -625,7 +625,10 @@ export default {
          var str = item.preDeliveryDate
          var n=str.split(" ");
          item.preDeliveryDate = n[0]
-         item.price = (Number(item.price)).toFixed(4)
+         item.price = (item.price/item.netWeight).toFixed(2)
+         item.netWeight = (Number(item.netWeight)).toFixed(2)
+         item.grossWeight = (Number(item.grossWeight)).toFixed(2)
+         item.number = (Number(item.number)).toFixed(2)
       })
         // var subList = this.convertReferToSub(data);
         this.addBookData = this.addBookData.concat(data);