/// <summary>
/// 加入购物车
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Linkbtn_Shoppingcart_Click(object sender, EventArgs e)
{
if (Session["User"] != null)
{
Customer currentUser = (Customer)Session["User"]; //读取当前用户信息
BookItem bookItem = new BookItem(book); //创建一个bookItem
//下面的逻辑有点乱
//可以只通过读取User信息就好了
if (Session["ShoppingCart"] != null)
{
ShoppingCart shoppingCart = (ShoppingCart)Session["ShoppingCart"];
shoppingCart.AddBookItemToShoppingCart(bookItem); //将bookItem添加到shoppingCart中
Session["ShoppingCart"] = shoppingCart; //保存购物车
}
else
{
currentUser.ShoppingCart.AddBookItemToShoppingCart(bookItem); //将bookItem添加到shoppingCart中
Session["ShoppingCart"] = currentUser.ShoppingCart; //保存购物车
}
//提醒用户已经添加到购物车
Response.Write("<script>alert('成功添加到购物车中!')</script>");
}
else
{
Response.Write("<script>alert('登陆失效，请重新登陆!')</script>");
}
}
/// <summary>
/// 分类查看书籍模块
/// 一键购买
/// 放入购物车
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void ListView1_OnItemCommand(object sender, ListViewCommandEventArgs e)
{
//待完善
if (e.CommandName == "BuyNow")
{
}
if (e.CommandName == "AddBookToShoppingCart" || e.CommandName == "NewAddBookToShoppingCart")
{
List <Book> bookList = new List <Book>();
if (e.CommandName == "AddBookToShoppingCart")
{
if (Session["RecommendBooks"] != null)
{
bookList = (List <Book>)Session["RecommendBooks"]; //推荐书籍List
}
}
else
{
if (Session["NewBooks"] != null)
{
bookList = (List <Book>)Session["NewBooks"]; //推荐书籍List
}
}
Book selectedBook = bookList.Find(x => x.bookID == e.CommandArgument.ToString());//查找用户选择的书籍
if (Session["User"] != null)
{
Customer currentUser = (Customer)Session["User"]; //读取当前用户信息
BookItem bookItem = new BookItem(selectedBook); //创建一个bookItem
//下面的逻辑有点乱
//可以只通过读取User信息就好了
if (Session["ShoppingCart"] != null)
{
ShoppingCart shoppingCart = (ShoppingCart)Session["ShoppingCart"];
shoppingCart.AddBookItemToShoppingCart(bookItem); //将bookItem添加到shoppingCart中
Session["ShoppingCart"] = shoppingCart; //保存购物车
}
else
{
currentUser.ShoppingCart.AddBookItemToShoppingCart(bookItem); //将bookItem添加到shoppingCart中
Session["ShoppingCart"] = currentUser.ShoppingCart; //保存购物车
}
//提醒用户已经添加到购物车
Response.Write("<script>alert('成功添加到购物车中!')</script>");
}
else
{
Response.Write("<script>alert('登陆失效，请重新登陆!')</script>");
}
}
}
/// <summary>
/// 控件动作监听模块
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void gridview_ShoppingCart_OnRowCommand(object sender, GridViewCommandEventArgs e)
{
ShoppingCart shoppingCart = new ShoppingCart();
//获取到用户购物车
if (Session["ShoppingCart"] != null)
{
shoppingCart = (ShoppingCart)Session["ShoppingCart"];
}
if (e.CommandName == "Plus" || e.CommandName == "Reduce" || e.CommandName == "DeleteBook")
{
int index = Convert.ToInt32(e.CommandArgument);//获取到当前索引
Label lbl_bookAmount = (Label)gridview_ShoppingCart.Rows[Convert.ToInt32(e.CommandArgument)].FindControl("lblSCBookNum");
BookItem bookItem = shoppingCart.bookItemList[index];//获取需要变化数量的图书
if (e.CommandName == "Plus")
{
lbl_bookAmount.Text = (Convert.ToInt32(lbl_bookAmount.Text) + 1).ToString();//增加label的值
shoppingCart.AddBookItemToShoppingCart(bookItem);//将图书添加到购物车
}
if (e.CommandName == "Reduce")
{
if (bookItem.bookAmount > 1)
{
lbl_bookAmount.Text = (Convert.ToInt32(lbl_bookAmount.Text) - 1).ToString();//减小label的值
shoppingCart.DeleteBookItemFromShoppingCart(bookItem);//将图书添加到购物车
}
}
if (e.CommandName == "DeleteBook")
{
shoppingCart.DeleteBookItemFromShoppingCart_(bookItem);//删除选定的图书
gridview_ShoppingCart.DataSource = shoppingCart.bookItemList;
gridview_ShoppingCart.DataBind();//刷新购物车
}
}
}
/// <summary>
/// 控件动作监听模块
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void gridview_ShoppingCart_OnRowCommand(object sender, GridViewCommandEventArgs e)
{
ShoppingCart shoppingCart = new ShoppingCart();
//获取到用户购物车
if (Session["ShoppingCart"] != null)
{
shoppingCart = (ShoppingCart)Session["ShoppingCart"];
}
if (e.CommandName == "Plus" || e.CommandName == "Reduce" || e.CommandName == "DeleteBook")
{
int index = Convert.ToInt32(e.CommandArgument); //获取到当前索引
Label lbl_bookAmount = (Label)gridview_ShoppingCart.Rows[Convert.ToInt32(e.CommandArgument)].FindControl("lblSCBookNum");
BookItem bookItem = shoppingCart.bookItemList[index]; //获取需要变化数量的图书
if (e.CommandName == "Plus")
{
lbl_bookAmount.Text = (Convert.ToInt32(lbl_bookAmount.Text) + 1).ToString(); //增加label的值
shoppingCart.AddBookItemToShoppingCart(bookItem); //将图书添加到购物车
}
if (e.CommandName == "Reduce")
{
if (bookItem.bookAmount > 1)
{
lbl_bookAmount.Text = (Convert.ToInt32(lbl_bookAmount.Text) - 1).ToString(); //减小label的值
shoppingCart.DeleteBookItemFromShoppingCart(bookItem); //将图书添加到购物车
}
}
if (e.CommandName == "DeleteBook")
{
shoppingCart.DeleteBookItemFromShoppingCart_(bookItem); //删除选定的图书
gridview_ShoppingCart.DataSource = shoppingCart.bookItemList;
gridview_ShoppingCart.DataBind(); //刷新购物车
}
}
}
