private void Window_Loaded(object sender, RoutedEventArgs e)
{
if (IsShowBalance)
{
txtBalance.IsReadOnly = true; //查询时txtBalance为只读
Balance b = new BalanceBLL().GetBalance(LoginWindow.GetOperatorId()); //根据用户Id查询余额
txtBalance.Text = b.Balances.ToString();
btnYes.Visibility = Visibility.Collapsed; //隐藏“确定”按钮
if (b.Balances < 0)
{
MessageBox.Show("你已经入不敷出了，快点赚钱吧！");
}
}
else
{
tbBalanceText.Text = "添加余额";
}
}
//添加余额
private void btnYes_Click(object sender, RoutedEventArgs e)
{
if (!IsShowBalance)
{
Balance balance = new Balance();
balance.Balances = decimal.Parse(txtBalance.Text); //把string类型转为decimal
bool i = new BalanceBLL().Update(LoginWindow.GetOperatorId(), balance.Balances);
if (i)
{
new OperationLogBLL().Insert(LoginWindow.GetOperatorId(), "添加余额成功！");
MessageBox.Show("添加数据成功！");
this.Close();
}
else
{
new OperationLogBLL().Insert(LoginWindow.GetOperatorId(), "添加余额失败！");
MessageBox.Show("添加数据错误！");
this.Close();
}
}
}
//点击保存按钮的
private void btnSave_Click(object sender, RoutedEventArgs e)
{
Account account = (Account)gridEditAccount.DataContext;
AccountBLL accountBll = new AccountBLL();
//判断金额大于0
if (cbType.SelectedIndex > -1)
{
if (account.Money <= 0)
{
MessageBox.Show("你输入的收入金额不合法，请重新输入！");
return;
}
}
if (cbType.SelectedIndex < 0)
{
MessageBox.Show("请选择收支！");
return;
}
else if (cbItem.SelectedIndex < 0)
{
MessageBox.Show("请选择项目！");
return;
}
//有问题
else
{
//获得名字为收入的Id值
IdName idname = new IdNameBLL().GetByName("收入");
Balance balance = new Balance();
#region 添加收支
//添加收支
if (IsAddNew)
{
int i;
//分布式事务处理收支和余额，可实现回滚
using (TransactionScope ts = new TransactionScope())
{
i = accountBll.AddNew(account);
//判断是否为收入,收入为正的，支出为负数
if (account.CostType == idname.Id) //收入
{
balance.Balances = (decimal)account.Money;
}
else //支出
{
balance.Balances = (decimal)(-account.Money);
}
new BalanceBLL().Update(account.OperatorId, balance.Balances);
ts.Complete();//表示已完成
}
//严谨点Update也应该返回true or false
if (i < 0)
{
new OperationLogBLL().Insert(LoginWindow.GetOperatorId(), "添加收支，更新余额失败！");
MessageBox.Show("添加错误！");
}
else if (i > 1)
{
new OperationLogBLL().Insert(LoginWindow.GetOperatorId(), "添加收支时错误！");
throw new Exception("数据发生错误！");
}
else
{
new OperationLogBLL().Insert(LoginWindow.GetOperatorId(), "添加收支，更新余额成功！");//日志
MessageBox.Show("添加成功！");
this.Close();
}
}
#endregion
#region 编辑收支
//编辑收支
else
{
bool i; //插入余额是否成功
bool isAddbalanceSuc; //插入余额是否成功
//分布式处理
using (TransactionScope ts = new TransactionScope())
{
//更新收支
i = accountBll.Update(account);
//更新前的数据类型是否为收入，并计算出差额，
if (BeforeCostType == idname.Id)
{
//收入改为收入 只是金额的更改
if (account.CostType == idname.Id) //更改后收支类型，为收入
{
if ((decimal)account.Money != BeforeEditingMoney) //更新后的钱不等更新前的前
{
balance.Balances = (decimal)account.Money - BeforeEditingMoney; //加上前后的差额（后大于前取+，否则为—）
}
else
{
balance.Balances = 0;
}
}
//收入改为支出，前为收，后为支
else
{
// 先减去更新前的收入，再减去更新后的支出金额
balance.Balances = -BeforeEditingMoney - (decimal)account.Money;
}
}
//若更新前为支出，计算出差额
else
{
//判断更新后的类型
if (account.CostType == idname.Id) //更新后的类型为收入，更新前为支出
{
balance.Balances = BeforeEditingMoney + (decimal)account.Money; //先加上更新前的支出，再加上更新后的收入
}
//更新后为支出，更新前为支出
else
{
if (BeforeEditingMoney != (decimal)account.Money) //更新前的钱不等于更新后的钱，求钱差额
{
balance.Balances = BeforeEditingMoney - (decimal)account.Money; //更新前 减去更新后 若更新前大，那就加上差额
}
else
{
balance.Balances = 0;
}
}
}
isAddbalanceSuc = new BalanceBLL().Update(account.OperatorId, balance.Balances);
ts.Complete();
}
if (i && isAddbalanceSuc)
{
new OperationLogBLL().Insert(LoginWindow.GetOperatorId(), "编辑收支成功！");
MessageBox.Show("更改成功！");
this.Close();
}
else
{
new OperationLogBLL().Insert(LoginWindow.GetOperatorId(), "编辑收支失败！");
MessageBox.Show("更新失败！");
}
}
#endregion
}
}
private void btnSave_Click(object sender, RoutedEventArgs e)
{
//判断是插入 还是编辑
//添加
if (IsInsert)
{
if (txtUserName.Text.Length <= 0)
{
MessageBox.Show("请输入用户名！");
}
if (pwdPassword.Password.Length <= 0)
{
MessageBox.Show("请输入密码！");
}
else if (pwdRePassword.Password.Length <= 0)
{
MessageBox.Show("请再次输入密码！");
}
else if (pwdPassword.Password != pwdRePassword.Password)
{
MessageBox.Show("两次输入密码不一致！");
}
else
{
//添加用户
string userName = txtUserName.Text.Trim();
string password = pwdPassword.Password;
OperatorBLL bll = new OperatorBLL();
int i = 0, j = 0;
//打开Distributed Transaction Coordinator服务
// 引用System.Transaction
//用分布式事务实现添加新用户的的同时添加改账户的余额
using (TransactionScope ts = new TransactionScope())
{
Operator oper = new OperatorBLL().GetOperatorByUserName(userName);
//数据库中是否已有此用户名
if (oper == null) //没有就添加
{
i = bll.AddOpertator(userName, password);
Operator op = bll.GetOperatorByUserName(userName);
new BalanceBLL().AddNew(op.Id);
}
//若有是否已删除
else
{
//恢复已删除用户
if (oper.IsDeleted)
{
new OperatorBLL().ReuseOperator(oper.Id); //恢复
j = new OperatorBLL().EditOperator(oper.Id, password); //更改密码
new BalanceBLL().ReuseByOperatorId(oper.Id); //恢复余额
new BalanceBLL().Update(oper.Id, 0); //初始化余额为0
}
else
{
MessageBox.Show("用户名重复，请更换用户名！");
}
}
ts.Complete();
}
if (i >= 1 || j > 0)
{
MessageBox.Show("成功添加用户！");
this.Close();
}
else
{
MessageBox.Show("添加用户失败！");
this.Close();
}
}
}
//编辑
else
{
if (pwdPassword.Password.Length <= 0)
{
MessageBox.Show("请输入密码！");
}
else if (pwdRePassword.Password.Length <= 0)
{
MessageBox.Show("请再次输入密码！");
}
else if (pwdPassword.Password != pwdRePassword.Password)
{
MessageBox.Show("两次输入密码不一致！");
}
else
{
txtUserName.IsReadOnly = true;
string pwd = pwdPassword.Password;
Guid operatorId = LoginWindow.GetOperatorId();
int i = new OperatorBLL().EditOperator(operatorId, pwd);
if (i >= 1)
{
MessageBox.Show("修改成功");
this.Close();
}
if (i <= 0)
{
MessageBox.Show("修改出错");
}
}
}
}
//主窗口加载时
private void Window_Loaded(object sender, RoutedEventArgs e)
{
#region 设置窗口加载顺序 ，显示登录页面
this.Hide(); //隐藏主窗口
LoginWindow loginWin = new LoginWindow();
if (loginWin.ShowDialog() != true)
{
//退出程序
Application.Current.Shutdown();
return;
}
#endregion
#region MainWindow Loeded时为DataGrid 填充数据
// Operator op = new Operator();
//// columnOperator.ItemsSource = new OperatorBLL().ListAll();
// columnItem.ItemsSource = new IdNameBLL().ListAll();
// columnCostType.ItemsSource = new IdNameBLL().GetByCategory("收支类型");
#region 显示搜索栏内容
cmbSearchCostType.ItemsSource = new IdNameBLL().GetByCategory("收支类型");
cmbSearchItem.IsEnabled = false; //不可用需选中CostType
ckbSearchItem.IsEnabled = false;
dpSearchBeginDate.SelectedDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month - 1, DateTime.Now.Day); //前一个月
dpSearchEndDate.SelectedDate = DateTime.Now; //默认当前时间
#endregion
LoadData();
this.ShowDialog();
#endregion
}