修改代码

public/assets/js/backend/protector.js

@@ -34,6 +34,9 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form', 'comment'], function
                         {field: 'price', title: '单价', formatter:function (value) {
                                 return '¥' + value;
                         }},
+                        {field: 'total', title: '总价', formatter:function (value,row) {
+                                return '¥' + (row.number * row.price);
+                        }},
                         {field: 'usr_nickname', title: '操作人'},
                         {field: 'usr_depart', title: '操作人部门'},
                         {field: 'pro_date', title: __('Pro_date'), operate:'RANGE', addclass:'datetimerange'},