/// <summary>
/// 导入书本
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btn_daoru_Click(object sender, EventArgs e)
{
int allNum = 0; //统计书本总数
bool b = true; //用于判断书本是否存在
//如果按的是“回车键”
//获取条形码
string barCode = this.txt_shangping.Text;
if (true)
{
//购物列表中不存在该书本
//根据输入的条形码，查询书本信息
DataTable dt_books = BooksBLL.SelectBooksTypeByBarCode(barCode);
//未查询到书本
if (dt_books.Rows.Count == 0)
{
MessageBox.Show("书本未找到，请检查条形码是否正确！", "温馨提示：", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (dt_books.Rows[0]["StockNum"].ToString() == "0")
{
MessageBox.Show("书本以售空,请及时补货", "温馨提示");
return;
}
bool flag = true;
//书本是否存在于购物车 计算书本数量
for (int i = 0; i < this.lv_sales.Items.Count; i++)
{
//判断添加书本数量是否超过库存
if (dt_books.Rows[0]["BooksName"].ToString() == this.lv_sales.Items[i].SubItems[2].Text)
{
string goodsName = dt_books.Rows[0]["BooksName"].ToString();
int stockNum = BooksBLL.GetStockNumByBooksName(goodsName);;
if (stockNum == num)
{
MessageBox.Show("库存数不足", "温馨提示");
b = false;
flag = false;
break;
}
else
{
if (flag)
{
this.lv_sales.Items[i].SubItems[6].Text = (int.Parse(this.lv_sales.Items[i].SubItems[6].Text) + 1).ToString();
num++; //书本存在则数量加 1
b = false; //如果书本存在则把布尔变量b--赋值为false
discount = double.Parse(dt_books.Rows[0]["Discount"].ToString());
price = double.Parse(dt_books.Rows[0]["SalePrice"].ToString()) * discount;
//显示金额信息
this.lbl_money.Text = sum.ToString();
}
}
}
else
{
//初始化数量
num = 1;
}
}
if (b)
{
//创建购物项
ListViewItem item = new ListViewItem(dt_books.Rows[0]["BarCode"].ToString());
item.SubItems.Add(dt_books.Rows[0]["BooksID"].ToString());
item.SubItems.Add(dt_books.Rows[0]["BooksName"].ToString());
item.SubItems.Add(dt_books.Rows[0]["TypeName"].ToString());
item.SubItems.Add(dt_books.Rows[0]["SalePrice"].ToString());
item.SubItems.Add(dt_books.Rows[0]["Discount"].ToString());
item.SubItems.Add(num.ToString());
//for (int i = 0; i < lv_sales.Items.Count; i++)
//{
// //记录书本ID，结算时需要用到该值
// id1[i] = int.Parse(dt_goods.Rows[0]["BooksID"].ToString());
//}
//添加至购物车列表
this.lv_sales.Items.Add(item);
}
//获取ListView（书本）中所有行并显示
for (int i = 0; i < this.lv_sales.Items.Count; i++)
{
allNum += int.Parse(this.lv_sales.Items[i].SubItems[6].Text);
}
DataTable dt = VipBll.SetVipByMobile(this.txt_vip.Text);
if (flag)
{
allGoodsNum = allNum;
lbl_goods.Text = allNum.ToString();
discount = double.Parse(dt_books.Rows[0]["Discount"].ToString());
price = double.Parse(dt_books.Rows[0]["SalePrice"].ToString()) * discount;
//求和
sum += (price); //得到真实总价
sum4 = sum; //将现在的总价赋给临时变量，sum4来处理积分抵扣显示数据
if (checkBox1.Checked == true) //若选择抵扣
{
if (sum > int.Parse(dt.Rows[0][4].ToString()) * 0.1) //如果真实总价大于积分抵扣
{
sum4 -= int.Parse(dt.Rows[0][4].ToString()) * 0.1; //临时总价被抵扣
this.jifenxianshi.Text = "积分已抵扣" + int.Parse(dt.Rows[0][4].ToString()) * 0.1; //显示抵扣积分
}
if (sum <= int.Parse(dt.Rows[0][4].ToString()) * 0.1) //表示总价小于积分
{
sum4 = 0;
this.jifenxianshi.Text = "积分已抵扣" + sum; //显示抵扣积分
bijiao = false; //标记 总价小于积分
}
}
if (checkBox1.Checked == false)
{
sum4 = sum; //还原价格
}
this.lbl_money.Text = sum4.ToString(); //显示改变的价格
}
}
}