确认订单修改bug

src/main/resources/static/js/shopping/confirm.js

@@ -438,12 +438,12 @@ var shoppingConfirm = new Vue({
                         if(_self.balance.flag) {// 勾选了余额抵扣
                             if(_self.balance.userMoney>=total){ // 全部抵扣
                                 _self.payInfo.orderShouldPayFee = 0;
-                                _self.balance.deductMoney = _self.totalPrice;
-                                _self.balance.surplusMoney = (_self.balance.userMoney*10 - _self.balance.deductMoney*10)/10;
+                                _self.balance.deductMoney = _self.totalPrice;  // 抵扣使用金额 = 订单总金额
+                                _self.balance.surplusMoney = (_self.balance.userMoney*10 - _self.balance.deductMoney*10)/10;  // 抵扣后剩余余额 = 余额总额 - 抵扣使用金额
                             }else{ // 部分抵扣
                                 _self.payInfo.orderShouldPayFee = total - _self.balance.userMoney;
-                                _self.balance.deductMoney = _self.balance.userMoney;
-                                _self.balance.surplusMoney = (_self.balance.userMoney*10 - _self.balance.deductMoney*10)/10;
+                                _self.balance.deductMoney = _self.balance.userMoney; // 抵扣使用金额 = 余额总额
+                                _self.balance.surplusMoney = (_self.balance.userMoney*10 - _self.balance.deductMoney*10)/10; // 抵扣后剩余余额 = 余额总额 - 抵扣使用金额
                             }
                         }else{
                             _self.payInfo.orderShouldPayFee = (_self.totalPrice*100 + _self.payInfo.freight*100 - _self.freightBeansMoney*100)/100;
@@ -458,8 +458,8 @@ var shoppingConfirm = new Vue({
                 if(_self.balance.flag) {//
                     if(_self.balance.userMoney>=total) { // 全部抵扣
                         _self.payInfo.orderShouldPayFee = 0 ;
-                        _self.balance.deductMoney = total;
-                        _self.balance.surplusMoney = (_self.balance.userMoney*10 - _self.balance.deductMoney*10)/10;
+                        _self.balance.deductMoney = total; // 抵扣使用金额 = (订单总金额+邮费金额)
+                        _self.balance.surplusMoney = (_self.balance.userMoney*10 - _self.balance.deductMoney*10)/10; // 抵扣后剩余余额 = 余额总额 - 抵扣使用金额
                     }
                 }else{
                     _self.payInfo.orderShouldPayFee = _self.totalPrice + _self.payInfo.freight;