protected void Page_Load(object sender, EventArgs e)
{
//获取已提交参数
string id = Request.QueryString["goodsId"];
//根据商品ID获取商品信息
Goods goods = gb.FindGoodsByGoodsId(Convert.ToInt32(id));
bigimg.ImageUrl = "../../" + goods.Thumbnail;
subImg.ImageUrl = "../../" + goods.Thumbnail;
gName.Text = goods.GoodsName.ToString();
gPrice.Text = "￥" + goods.ShopPrice.ToString();
gStock.Text = goods.GoodsStock.ToString();
gID.Text = "商品编号:" + goods.GoodsID.ToString();
//将商品信息存储到session域中
Session.Add("goods", goods);
//查询用户评论
int cid = Convert.ToInt32(Request.QueryString["goodsID"]);
List <Comment> comments = cb.getCommentByGoodsID(cid);
Session.Add("comments", comments);
}
protected void Page_Load(object sender, EventArgs e)
{
//获取提交的参数
string id = Request.QueryString["goodsID"];
System.Diagnostics.Debug.Write("id::" + id);
//根据商品id获取商品信息
Goods goods = gb.FindGoodsByGoodsId(Convert.ToInt32(id));
//取出Session域中的Goods对象
//Goods goods = (Goods)Session["goods"];
if (goods != null)
{
//将数据赋值给页面文本框
goodsID.Text = goods.GoodsID + "";
cartID.Text = goods.CartID + "";
goodsName.Text = goods.GoodsName;
shopPrice.Text = goods.ShopPrice + "";
goodsStock.Text = goods.GoodsStock + "";
photo.ImageUrl = "../../" + goods.Thumbnail;
description.Text = goods.Description;
}
}
protected void Page_Load(object sender, EventArgs e)
{
//获取session域中当前登录的用户
User user = (User)Session["LoginUser"];
//判断用户是否登录
if (user == null)
{
//提示信息
Response.Write("<script>alert('请先登录');</script>");
//重定向到用户登录页面
Response.Redirect("/PTUsers/Login.aspx");
}
else
{
//用户已登录
//获取商品的编号和数量
int goodsId = Convert.ToInt32(Request.QueryString["goodsId"]);
int goodsNum = Convert.ToInt32(Request.QueryString["num"]);
//判断商品编号是否为0
if (goodsId != 0)
{
System.Diagnostics.Debug.WriteLine("ID:::" + goodsId + "数量：：：" + goodsNum);
//查询购物车中商品已添加
Cart isExistCart = cb.FindCartByGoodsId(goodsId);
if (isExistCart != null)
{//购物车已添加该商品，修改该商品的数量
int rows = cb.UpdateGoodsNumber(goodsId, goodsNum);
//显示购物车中的所有商品
List <CartTemp> cartTemp = cb.showCart(user.UserID);
//将集合存储到session域中
Session.Add("cartTemp", cartTemp);
}
else
{//不存在该商品，添加商品完整信息
//根据商品编号，获取商品信息
Goods goods = gb.FindGoodsByGoodsId(goodsId);
//将商品信息封装到购物车中
Cart cart = new Cart();
cart.GoodsID = goodsId;
cart.GoodsPrice = goods.ShopPrice;
cart.GoodsNumber = goodsNum;
cart.UserID = user.UserID;
//将数据加入数据库
int rows = cb.addCart(cart);
//判断是否添加成功
if (rows > 0)
{//添加成功
Response.Write("<script>alert('添加成功！');</script>");
//显示购物车中的所有商品
List <CartTemp> cartTemp = cb.showCart(user.UserID);
//将集合存储到session域中
Session.Add("cartTemp", cartTemp);
}
else
{//添加失败
Response.Write("<script>alert('添加失败！');</script>");
}
}
}
else
{//如果goodsId为0
//显示购物车中的所有商品
List <CartTemp> cartTemp = cb.showCart(user.UserID);
//将集合存储到session域中
Session.Add("cartTemp", cartTemp);
}
}
}
