/// <summary>
/// 点击发布按钮后
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Button1_Click(object sender, EventArgs e)
{
YF.Model.Books books = new YF.Model.Books(); // 新建一个Books实体类
books.Isbn = this.isbn.Text.Trim(); // trim方法去掉前导和末尾的空格
books.Price = float.Parse(this.price.Text.Trim());
books.Num = int.Parse(this.num.Text.Trim());
books.Detail = this.detail.Text.Trim();
books.State = int.Parse(this.state.Text);
books.Adddate = DateTime.Now;
books.Bookname = this.bookname.Text.Trim();
// 图片上传之后，存到服务器目录img文件夹下面
if (img.HasFile) // 首先保证用户已经取得图片
{ // 文件名字已当前时间命名，可以保证不重复
string filename = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString() + DateTime.Now.Hour.ToString() + DateTime.Now.Second.ToString() + DateTime.Now.Millisecond.ToString() + Path.GetFileName(img.FileName);
string strpath = Server.MapPath("") + "//img//" + filename; // 取得将要保存图片的路径，其中//img//表示图片传入img文件夹
img.PostedFile.SaveAs(strpath); // 把图片保存在此路径中
books.Img = filename;
}
if (YF.BLL.Books.add(books))
{
YF.JsHelper.AlertAndRedirect("发布成功", "Books.aspx");
}
else
{
YF.JsHelper.AlertAndRedirect("发布失败", "Books_add.aspx");
}
}
protected void Page_Load(object sender, EventArgs e)
{
//获取id
string id = Request["id"];
YF.Model.Books books = YF.BLL.Books.GetBooks(int.Parse(id));
this.isbn.Text = books.Isbn;
this.price.Text = books.Price.ToString();
this.num.Text = books.Num.ToString();
this.detail.Text = books.Detail.ToString();
this.img.ImageUrl = "admin/img/" + books.Img.ToString();
this.img.Width = 180;
this.bookname.Text = books.Bookname.ToString();
}
protected void Page_Load(object sender, EventArgs e)
{
//向后台数据库加入记录，点击购买，购物车加
YF.Model.User myuser = new YF.Model.User();
myuser = (YF.Model.User)YF.SessionHelper.GetSesstion("user");//读取当前用户信息 //强制转为用户实体类型
if (myuser != null)
{
YF.Model.Cart cart = new YF.Model.Cart(); // 声明空的购物车对象，然后要对购物车对象进行赋值
// 通过id来查询
int id = int.Parse(Request.QueryString["id"].ToString());
YF.Model.Books books = YF.BLL.Books.GetBooks(id); // 通过我们传过来的商品id，找到商品实体
cart.Books = books;
cart.User = myuser;
cart.Num = 1;
cart.State = 0; // 0 代表还没有下单，只是加购物车
cart.Adddate = DateTime.Now;
// 当图书数量为0时，退出，重新选购
if (books.Num <= 0)
{
YF.JsHelper.AlertAndRedirect("fail to add cart! Connect with shop!", "/myweb/bookshop.aspx");//库存为0，添加失败返回图书详情页面
}
if (YF.BLL.Cart.list(books.Id, myuser.Id, 0).Count > 0) // 当不是第一次插入的时候，只是更新数量就可以
{
YF.BLL.Cart.updatenum(books.Id, myuser.Id, 0); //修改数量
YF.JsHelper.AlertAndRedirect("add cart successfully!!!", "/myweb/user/cart.aspx"); //3，添加成功返回购物车页面
}
else // 第一次插入
{
if (YF.BLL.Cart.addbooks(cart))
{
YF.JsHelper.AlertAndRedirect("add cart successfully!!!", "/myweb/user/cart.aspx");
}
else
{
YF.JsHelper.AlertAndRedirect("fail to add cart successfully!!!", "/myweb/books.aspx");
}
}
}
else
{
YF.JsHelper.AlertAndRedirect("no member!please login in!!!", "/myweb/login.aspx");
}
}
/// <summary>
/// 添加Book数据，传入刚刚的Book实体
/// </summary>
/// <param name="books"></param>
/// <returns>返回成功传入的数量</returns>
public static bool add(YF.Model.Books books)
{
return(YF.DAL.Books.add(books));
}
