//添加新商品到销售明细，返回false则表明失败
private bool AddProductList()
{
Product product = objProductService.GetProductInfo(this.txtProductId.Text.Trim());
if (product == null)//未查到商品的情况下，允许手工添加
{
DialogResult result = MessageBox.Show("未查询到商品信息，手工录入商品，请检查单价和折扣是否录入正确，确定吗？", "询问信息", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result != DialogResult.Yes)
{
return(false);
}
//先判断单价和折扣是否输入正确
if (!DataValidate.IsDecimalNum(this.txtUnitPrice.Text.Trim()) || Convert.ToDecimal(this.txtUnitPrice.Text.Trim()) == 0)
{
MessageBox.Show("手工录入商品，单价输入不正确", "提示信息");
this.txtUnitPrice.SelectAll();
this.txtUnitPrice.Focus();
return(false);
}
if (!DataValidate.IsDecimalNum(this.txtDiscount.Text.Trim()))
{
MessageBox.Show("手工录入商品，折扣输入不正确", "提示信息");
this.txtDiscount.SelectAll();
this.txtDiscount.Focus();
return(false);
}
product = new Product()
{
ProductId = this.txtProductId.Text.Trim(),
ProductFullName = "手工录入商品",
UnitPrice = Convert.ToDecimal(this.txtUnitPrice.Text.Trim()),
Discount = Convert.ToDouble(this.txtDiscount.Text.Trim())
};
}
SalesListDetail objSaleDetail = new SalesListDetail()
{
ProductId = product.ProductId,
ProductFullName = product.ProductFullName,
UnitPrice = product.UnitPrice,
Discount = product.Discount,
Quantity = Convert.ToInt32(this.txtQuantity.Text.Trim())
};
objSaleDetail.SubTotalMoney = objSaleDetail.Quantity * objSaleDetail.UnitPrice;
if (objSaleDetail.Discount != 0)
{
objSaleDetail.SubTotalMoney *= Convert.ToDecimal(objSaleDetail.Discount / 10);
objSaleDetail.SubTotalMoney = Decimal.Round(objSaleDetail.SubTotalMoney, 2);
}
objSaleDetail.Num = this.mainSaleList.SalesListDetail.Count + 1;
this.mainSaleList.SalesListDetail.Add(objSaleDetail);
return(true);
}
//登录按钮
private void btnLogin_Click(object sender, EventArgs e)
{
if (this.txtLoginId.Text.Trim().Length == 0)
{
MessageBox.Show("请输入账号", "提示信息");
this.txtLoginId.Focus();
return;
}
if (this.txtLoignPwd.Text.Length == 0)
{
MessageBox.Show("请输入密码", "提示信息");
this.txtLoignPwd.Focus();
return;
}
if (!DataValidate.IsInteger(this.txtLoginId.Text.Trim()))
{
MessageBox.Show("请输入正确的账号", "提示信息");
this.txtLoginId.Focus();
return;
}
SalesPerson salesPerson = new SalesPerson()
{
SalesPersonId = Convert.ToInt32(this.txtLoginId.Text.Trim()),
LoginPwd = this.txtLoignPwd.Text
};
try
{
salesPerson = objSalesPersonService.SalesPersonLogin(salesPerson);
if (salesPerson != null)
{
LoginLog currentLog = new LoginLog()
{
LoginId = salesPerson.SalesPersonId,
SPName = salesPerson.SPName,
ServerName = Dns.GetHostName()
};
salesPerson.LogId = objLogService.WriteLoingLog(currentLog);
Program.currentSalesPerson = salesPerson;
this.DialogResult = DialogResult.OK;
}
else
{
MessageBox.Show("账号或密码错误", "登录失败");
}
}
catch (Exception ex)
{
MessageBox.Show("系统出现异常：" + ex.Message);;
}
}
private void TxtMemberId_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyValue == 13)
{
if (!DataValidate.IsDecimalNum(this.txtRealReceive.Text.Trim()) || Convert.ToDecimal(this.txtRealReceive.Text.Trim()) < Convert.ToDecimal(this.lblTotalMoney.Text))
{
MessageBox.Show("请输入正确的实收款", "提示信息");
this.txtRealReceive.SelectAll();
this.txtRealReceive.Focus();
return;
}
//不输入会员卡则直接结算
if (this.txtMemberId.Text.Trim().Length == 0)
{
this.Tag = this.txtRealReceive.Text.Trim();
this.DialogResult = DialogResult.OK;
return;
}
//2147483647
if (this.txtMemberId.Text.Trim().Contains("|") || !DataValidate.IsInteger(this.txtMemberId.Text.Trim()) || !int.TryParse(this.txtMemberId.Text.Trim(), out int memberId))
{
MessageBox.Show("请输入正确的卡号", "提示信息");
this.txtMemberId.SelectAll();
this.txtMemberId.Focus();
return;
}
try
{
//查询会员卡
bool isMemberExists = objMemberService.IsMemberExists(this.txtMemberId.Text.Trim());
if (!isMemberExists)
{
MessageBox.Show("没有找到会员，请检查会员号是否输入正确", "提示信息");
this.txtMemberId.SelectAll();
this.txtMemberId.Focus();
return;
}
else
{
this.Tag = this.txtRealReceive.Text.Trim() + "|" + this.txtMemberId.Text.Trim();
this.DialogResult = DialogResult.OK;
}
}
catch (Exception ex)
{
MessageBox.Show("查询过程中出现异常，请检查会员号是否正确：" + ex.Message);
return;
}
}
}
private void TxtRealReceive_KeyDown(object sender, KeyEventArgs e)
{
if (this.txtRealReceive.Text.Trim().Length != 0 && e.KeyValue == 13)
{
if (!DataValidate.IsDecimalNum(this.txtRealReceive.Text.Trim()) || Convert.ToDecimal(this.txtRealReceive.Text.Trim()) < Convert.ToDecimal(this.lblTotalMoney.Text))
{
MessageBox.Show("请输入正确的实收款", "提示信息");
this.txtRealReceive.SelectAll();
this.txtRealReceive.Focus();
return;
}
else
{
this.txtMemberId.SelectAll();
this.txtMemberId.Focus();
}
}
}
private void TxtProductId_KeyDown(object sender, KeyEventArgs e)
{
if (this.txtProductId.Text.Trim().Length != 0 && e.KeyValue == 13) //回车键
{
if (!DataValidate.IsInteger(this.txtQuantity.Text.Trim())) //查找商品前先检查数量输入是否正确
{
MessageBox.Show("数量输入不正确", "校验提示");
this.txtQuantity.SelectAll();
this.txtQuantity.Focus();
return;
}
try
{
if (this.dgvProdutList.RowCount == 0 || this.lblSerialNum.Text.Length == 0)//第一次扫描生成序列号
{
this.lblTotalMoney.Text = "0.00";
this.lblReceivedMoney.Text = "0.00";
this.lblReturnMoney.Text = "0.00";
this.lblSerialNum.Text = CreateSerialNum();
}
var pList = from p in this.mainSaleList.SalesListDetail where p.ProductId.Equals(this.txtProductId.Text.Trim()) select p;
if (pList.Count() > 0)//已经在列表中
{
SalesListDetail objSalesDetail = pList.FirstOrDefault <SalesListDetail>();
objSalesDetail.Quantity += Convert.ToInt32(this.txtQuantity.Text.Trim());
objSalesDetail.SubTotalMoney = objSalesDetail.Quantity * objSalesDetail.UnitPrice;
if (objSalesDetail.Discount != 0)
{
objSalesDetail.SubTotalMoney *= Convert.ToDecimal(objSalesDetail.Discount / 10);
objSalesDetail.SubTotalMoney = Decimal.Round(objSalesDetail.SubTotalMoney, 2);
}
}
else
{
bool addResult = AddProductList();
if (!addResult)
{
return;
}
}
//显示数据（测试不使用BindingSource）
this.dgvProdutList.DataSource = null;
this.bs.DataSource = this.mainSaleList.SalesListDetail;
//if (this.mainSaleList.SalesListDetail != null && this.mainSaleList.SalesListDetail.Count > 0)//第一次绑定时候判断是否有值，否则会引发点击dgv异常
//this.dgvProdutList.DataSource = this.mainSaleList.SalesListDetail;
this.dgvProdutList.DataSource = this.bs;
this.bs.MoveLast();
//更新商品总金额
this.lblTotalMoney.Text = (from d in this.mainSaleList.SalesListDetail select d.SubTotalMoney).Sum().ToString();
//还原输入列表
this.txtProductId.Clear();
this.txtQuantity.Text = "1";
this.txtUnitPrice.Text = "0.00";
this.txtDiscount.Text = "0";
}
catch (Exception ex)
{
MessageBox.Show("扫码出现异常，请重试" + ex.Message, "错误提示");
return;
}
}
}
