C#个人重构之充值

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我是靠谱客的博主真实飞机，最近开发中收集的这篇文章主要介绍C#个人重构之充值，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

【人参果】

技术点：充值就是更新一下表的一个字段值，没什么可说的。主要说一下思路

【山巅远眺】

设计理念：

1、判断卡号和金额是不是为空

2、判断有没有卡号，有没有上机

3、判断是不是小于最小充值金额、最小为10元（这里与基本数据没关系）；金额是不是超过最大值，限定最多为1000元 

4、充值：更新卡的余额信息

5、添加充值记录

6、显示充值情况在txt中

7、最重要，一定要将业务逻辑写到B层，我写到最后才意识到

【披荆斩棘】


#region 判断卡号和金额是不是为空
if (txtCardID.Text.Trim() == string.Empty || txtRechargeAmount.Text.Trim() == string.Empty)
{
MessageBox.Show("卡号和金额不能为空，请完善充值信息！");
return;
}
#endregion
Entity.CardInfo CardInfo = new Entity.CardInfo();
CardInfo.CardID = Convert.ToInt32(txtCardID.Text.Trim());
Facade.QueryFacade facadeRechargeQueryCardInfo = new Facade.QueryFacade();
Boolean flag = false;
flag = facadeRechargeQueryCardInfo.rechargeQueryCardInfo(CardInfo);
#region 判断有没有卡号，有没有上机
if (flag == true)
{
Entity.OnLineInfo OnLineInfo = new Entity.OnLineInfo();
OnLineInfo.CardID = Convert.ToInt32(txtCardID.Text.Trim());
Facade.QueryFacade facadeRechargeQueryOnLineInfo = new Facade.QueryFacade();
Boolean flagOnLine = false;
flagOnLine = facadeRechargeQueryOnLineInfo.rechargeQueryOnLineInfo(OnLineInfo);
if (flagOnLine == true)
{
MessageBox.Show("改卡正在上机，不能充值！");
}
else
{
#region 判断是不是小于最小充值金额
if (Convert.ToInt32(txtRechargeAmount.Text.Trim()) < 10)
{
MessageBox.Show("充值金额最少10元");
}
else
{
#region 金额是不是超过最大值，限定最多为1000元
List<Entity.CardInfo> CardIDList = new List<Entity.CardInfo>();
CardIDList = facadeRechargeQueryCardInfo.cardQueryInfo(CardInfo);
if (Convert.ToInt32(txtRechargeAmount.Text.Trim()) + CardIDList[0].RemainingSum > 1000)
{
MessageBox.Show("充值的钱太多了，少充点吧。");
}
else
{
int UpdateCash;
UpdateCash = Convert.ToInt32(txtRechargeAmount.Text.Trim()) + Convert.ToInt32(CardIDList[0].RemainingSum);
CardInfo.RemainingSum = Convert.ToDecimal(UpdateCash);
#region 充值：更新卡的余额信息
Facade.UpDateFacade facadeUpdateRecharge = new Facade.UpDateFacade();
bool updaetRechargeflag = false;
updaetRechargeflag = facadeUpdateRecharge.updateRecharge(CardInfo);
if (updaetRechargeflag == true)
{
MessageBox.Show("充值成功！");
}
else
{
MessageBox.Show("不明原因，请与管理员联系！");
}
#endregion
#region 添加充值记录
UI.UIFormLogin FI = new UIFormLogin();//获取当前操作员或者管理员的名字
Entity.RechargeRecordInfo RechargeRecordInfo = new Entity.RechargeRecordInfo();
RechargeRecordInfo.CardID = Convert.ToInt32(txtCardID.Text.Trim());
string UserName = FI.returnUser();
RechargeRecordInfo.Name = UserName;
RechargeRecordInfo.RechargeDate = DateTime.Now;//.ToString("yyyy-MM-dd HH:mm:ss");
RechargeRecordInfo.RechargeTime =DateTime.Now.TimeOfDay;
RechargeRecordInfo.RechargeCash = Convert.ToDecimal(txtRechargeAmount.Text.Trim());
RechargeRecordInfo.Balance = Convert.ToDecimal(UpdateCash);
Facade.AddFacade facadeInsertRechargeRecordInfo = new Facade.AddFacade();
bool InsertRechargeRecordInfoflag = false;
InsertRechargeRecordInfoflag = facadeInsertRechargeRecordInfo.insertRechargeRecordInfo(RechargeRecordInfo);
if (InsertRechargeRecordInfoflag==true )
{
#region 显示充值情况在txt中
txtInformation.Text = "充值成功：恭喜您！" + System.Environment.NewLine +
"卡号：" + txtCardID.Text.Trim()+ System.Environment.NewLine +
"管理员姓名：" +UserName+ System.Environment.NewLine +
"充值日期：" + DateTime.Now.ToString() + System.Environment.NewLine +
"充值时间：" +DateTime.Now.TimeOfDay.ToString()+ System.Environment.NewLine +
"充值金额：" +txtRechargeAmount.Text.Trim()+ System.Environment.NewLine +
"当前余额：" + UpdateCash.ToString();
#endregion
}
else
{
MessageBox.Show("不明原因，请于管理员联系！");
}
#endregion
}
#endregion
}
#endregion
}
}
else
{
MessageBox.Show("改卡号没有注册，请先注册！");
}
#endregion