protected override void OnInit(EventArgs e)
{
base.OnInit(e);
int goodsID = GetUrlInt("GoodsID");
if (goodsID > 0)
{
MyGoods = GoodsBLL.SelectGoods(goodsID);
}
BindBuyNum();
}
protected void Page_Load(object sender, EventArgs e)
{
CurrentGoods = GoodsBLL.SelectGoods(GetUrlInt("id"));
if (CurrentGoods == null || CurrentGoods.IsOut == 1)
{
MessageBox.Show("该商品不存在或已下架！", true);
}
ddlNum.Items.Clear();
for (int i = 1; i <= CurrentGoods.Num; i++)
{
ddlNum.Items.Add(i.ToString());
}
}
protected void BindModel()
{
var model = GoodsBLL.SelectGoods(GetGoodsID());
if (model != null)
{
tbName.Text = model.Name;
ddlCat.SelectedValue = model.CatID.ToString();
tbNum.Text = model.Num.ToString();
tbPoints.Text = model.Points.ToString();
tbRemarks.Text = model.Remarks.ToString();
tbCoverPath.Text = model.CoverPath;
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (CurrentMember == null)
{
Response.Redirect("Login.aspx");
}
ShowTitle("兑换");
if (!Page.IsPostBack)
{
var model = MemberBLL.Select(CurrentMember.UserName);
if (model != null)
{
ltPoints.Text = (model.TotalPoints - model.UsedPoints).ToString();
}
var goods = GoodsBLL.SelectGoods(GetUrlInt("GoodsID"));
if (goods != null)
{
ltGoodsName.Text = goods.Name;
ltPointsCost.Text = goods.Points.ToString();
ltGoodsNum.Text = goods.Num.ToString();
}
}
}
/// <summary>
/// 兑换商品
/// </summary>
/// <param name="userName"></param>
/// <param name="goodsID"></param>
/// <param name="goodsNum"></param>
/// <returns></returns>
public static bool ExchangeGoods(string userName, int goodsID, int goodsNum, string address, string realName, string phone, out string msg)
{
msg = "";
bool success = false;
//判断点数是否足够
//判断商品数量是否足够
//商品数量减去购买数量
//用户已使用点数增加
//写入消费记录
using (DbConnection conn = Db.Helper.CreateConnection())
{
conn.ConnectionString = Db.Helper.ConnectionString;
conn.Open();
DbTransaction tran = conn.BeginTransaction(System.Data.IsolationLevel.Serializable);
try
{
var user = Select(userName, tran);
if (user == null)
{
msg = "用户不存在！";
return(false);
}
var goods = GoodsBLL.SelectGoods(goodsID, tran);
if (goods == null)
{
msg = "商品不存在！";
return(false);
}
if (goods.Num <= 0)
{
msg = "商品已被兑换完！";
return(false);
}
if (goods.Num < goodsNum)
{
msg = "商品库存不足！";
return(false);
}
int remainPoints = user.TotalPoints - user.UsedPoints;
int pointsCost = goods.Points * goodsNum;
if (remainPoints < pointsCost)
{
msg = "点数不足！";
return(false);
}
goods.Num = goods.Num - goodsNum;
user.UsedPoints = user.UsedPoints + pointsCost;
CostHistoryInfo model = new CostHistoryInfo();
model.AddTime = DateTime.Now;
model.CostType = CostType.Exchange;
model.GoodsID = goodsID;
model.GoodsName = goods.Name;
model.GoodsNum = goodsNum;
model.MoneyAfter = user.TotalCost;
model.MoneyBefore = user.TotalCost;
model.OrderNum = "";
model.MoneyCost = 0M;
model.PointsAfter = user.TotalPoints - user.UsedPoints;
model.PointsBefore = remainPoints;
model.PointsCost = pointsCost;
model.ExchangeStatus = ExchangeStatus.WaitingSend;
model.SendTime = GlobalSetting.MinTime;
model.FinishTime = GlobalSetting.MinTime;
model.ExpressName = "";
model.ExpressNum = "";
model.LinkAddress = address;
model.LinkMan = realName;
model.LinkPhone = phone;
model.Remarks = "";
model.UserName = userName;
GoodsBLL.UpdateGoods(goods, tran);
MemberBLL.Update(user, tran);
MemberBLL.AddCostHistory(model, tran);
tran.Commit();
msg = "操作成功！";
success = true;
}
catch (Exception ex)
{
tran.Rollback();
msg = ex.Message;
success = false;
}
}
return(success);
}
protected void btnSubmit_Click(object sender, EventArgs e)
{
int id = GetGoodsID();
string name = tbName.Text.Trim();
int cid = ddlCat.SelectedValue.ToArrowInt();
int point = tbPoints.Text.Trim().ToArrowInt();
int num = tbNum.Text.Trim().ToArrowInt();
string cover = tbCoverPath.Text.Trim();
string remarks = tbRemarks.Text.Trim();
if (name.ValidateIsNullOrEmpty("请输入商品名称！"))
{
return;
}
if ((cid == 0).ValidateSuccess("请先选择分类！"))
{
return;
}
if ((point == 0).ValidateSuccess("兑换点数必须大于0！"))
{
return;
}
if ((num == 0).ValidateSuccess("数量必须大于0！"))
{
return;
}
if (id == 0)
{
var model = new TMS.GoodsInfo();
model.AddTime = DateTime.Now;
model.AddUserName = CurrentAdmin.UserName;
model.AddUserRealName = CurrentAdmin.RealName;
model.BigPicPath = "";
model.CatID = cid;
model.CoverPath = cover;
model.IsOut = 0;
model.Name = name;
model.Num = num;
model.Points = point;
model.Remarks = remarks;
GoodsBLL.AddGoods(model);
tbName.Text = "";
tbPoints.Text = "";
tbNum.Text = "";
tbCoverPath.Text = "";
tbRemarks.Text = "";
MessageBox.Show("添加成功！");
}
else
{
var model = GoodsBLL.SelectGoods(id);
if (model != null)
{
model.Name = name;
model.CatID = cid;
model.CoverPath = cover;
model.Num = num;
model.Points = point;
model.Remarks = remarks;
GoodsBLL.UpdateGoods(model);
MessageBox.Show("修改成功！");
}
}
}
