public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
if (!string.IsNullOrEmpty(context.Request.QueryString["term"]))
{
string term = context.Request.QueryString["term"]; //接收发过来的需要搜索的数据.
BLL.BookManager bll = new BookShop.BLL.BookManager();
List <Model.Book> bookList = bll.GetLikeList(term); //获取相应的图书
List <string> list = new List <string>();
foreach (Model.Book model in bookList)
{
list.Add(model.Title);//将书名放在一个新的集合中.
}
System.Web.Script.Serialization.JavaScriptSerializer js = new System.Web.Script.Serialization.JavaScriptSerializer();
string str = js.Serialize(list.ToArray());
context.Response.Write(str);//将list集合中保存的书名转成数组，并且声称Json格式返回.
}
}
/// <summary>
/// 向购物车中添加商品信息。
/// </summary>
protected void AddCart()
{
if (!string.IsNullOrEmpty(Request.QueryString["id"]))
{
int bookId = 0;
if (!int.TryParse(Request.QueryString["id"], out bookId))
{
Response.Redirect("/showinfo.aspx?msg=" + Server.UrlEncode("参数错误") + "&url=BookList.aspx" + "&txt=" + Server.UrlEncode("返回图书列表"));
}
else
{
BLL.BookManager bll = new BookShop.BLL.BookManager();
Model.Book model = bll.GetModel(bookId);//根据传递过来的书的编号查找该书.
if (model != null)
{
BLL.CartManager cartBll = new BookShop.BLL.CartManager();
int userId = ((Model.User)Session["user"]).Id; //得到了当前登录用户的编号.
Model.Cart cartModel = cartBll.GetModel(model.Id, userId); //根据用户的编号，与书的编号，找出购物车中的商品项.
if (cartModel == null) //如果该条件成立，向购物车表中插入一条记录
{
Model.Cart ModelCart = new BookShop.Model.Cart();
ModelCart.User = (Model.User)Session["user"];
ModelCart.Book = model;
ModelCart.Count = 1;
cartBll.Add(ModelCart);
}
else//更新该商品项的数量
{
cartModel.Count = cartModel.Count + 1;
cartBll.Update(cartModel);
}
}
else
{
Response.Redirect("/showinfo.aspx?msg=" + Server.UrlEncode("该书不存在") + "&url=BookList.aspx" + "&txt=" + Server.UrlEncode("返回图书列表"));
}
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!string.IsNullOrEmpty(Request.QueryString["id"]))
{
int id = 0;
if (!int.TryParse(Request.QueryString["id"], out id))
{
Response.Redirect("BookList2.aspx");
}
else
{
BLL.BookManager bll = new BookShop.BLL.BookManager();
Model.Book model = bll.GetModel(id);//根据书的编号，查找该书.
if (model != null)
{
StringBuilder builder = new StringBuilder();
builder.Append("<table border='1' >");
builder.Append("<tr><th width='30px'>书名:</th><td>" + model.Title + "</td></tr>");
builder.Append("<tr><th>封面:</th><td><img src=/Images/BookCovers/" + model.ISBN + ".jpg/></td></tr>");
builder.Append("<tr><th>作者:</th><td>" + model.Author + "</td></tr>");
builder.Append("<tr><th>出版日期::</th><td>" + model.PublishDate.ToShortDateString() + "</td></tr>");
builder.Append("<tr><th>单价:</th><td>¥" + model.UnitPrice.ToString("0.00") + "<a href='cart.aspx?id=" + model.Id + "'><img src='/Images/sale.gif' border='0'/></a></td></tr>");
builder.Append("<tr><th>简介:</th><td>" + model.ContentDescription + "</td></tr>");
builder.Append("<tr><th>目录::</th><td>" + model.TOC + "</td></tr>");
builder.Append("</table>");
strHtml = builder.ToString();
}
else
{
Response.Redirect("/showinfo.aspx?msg=" + Server.UrlEncode("图书部存在") + "&url=/BookList2.aspx" + "&txt=" + Server.UrlEncode("图书列表页面"));
}
}
}
else
{
Response.Redirect("BookList2.aspx");
}
}
/// <summary>
/// 绑定Repeater图书列表
/// </summary>
protected void BindRepeaterBookList(int page)
{
int categoryId = 0; //类别编号
int pageCount = 0; //总页数
//接收类别编号
if (!int.TryParse(Request.QueryString["category"], out categoryId))
{
categoryId = 0;
}
BLL.BookManager bll = new BookShop.BLL.BookManager();
pageCount = bll.GetPageCount(10, categoryId);//获取总页数
if (page <= 1)
{
page = 1;
}
if (page > pageCount)
{
page = pageCount;
}
currentPage = page.ToString();//将当前页码值给currentPage,然后在前台隐藏域中获取该变量的值
// this.RepeaterList.DataSource = bll.GetModelList("");
string order = string.Empty;
if (ViewState["orderby"] != null)
{
order = ViewState["orderby"].ToString();
}
// this.RepeaterList.DataSource = bll.GetPageList(page, 10, categoryId);//获取到了分页的数据
this.RepeaterList.DataSource = bll.GetPageList(page, 5, categoryId, order);//根据传递过来的页码值,获取当前页码对应的数据。
this.lblPageCount.Text = pageCount.ToString();
this.RepeaterList.DataBind();
this.lblCurrentPage.Text = page.ToString();
}
protected void Page_Load(object sender, EventArgs e)
{
BLL.BookManager bll = new BookShop.BLL.BookManager();
this.rssRepeater.DataSource = bll.GetModelList("");
this.rssRepeater.DataBind();
}
public void ProcessRequest(HttpContext context)
{
if (!string.IsNullOrEmpty(context.Request.Form["action"]))
{
string action = context.Request.Form["action"];
if (action == "change")//更新商品数量
{
int pk, bookId, count;
if (!int.TryParse(context.Request.Form["pk"], out pk))
{
context.Response.Write("no-参数错误!");
return;
}
if (!int.TryParse(context.Request.Form["count"], out count))
{
context.Response.Write("no-参数错误!");
return;
}
if (!int.TryParse(context.Request.Form["bookId"], out bookId))
{
context.Response.Write("no-参数错误!");
return;
}
BLL.BookManager bookBll = new BookShop.BLL.BookManager();
Model.Book modelBook = bookBll.GetModel(bookId);
if (modelBook != null)//看一下该书是否存在
{
BLL.CartManager cartBll = new BookShop.BLL.CartManager();
Model.Cart cartModel = cartBll.GetModel(pk);
if (cartModel != null)//根据主键查找该购物车中商品项
{
cartModel.Count = count;
cartBll.Update(cartModel);//完成数量的更新
context.Response.Write("yes");
}
else
{
context.Response.Write("no");
return;
}
}
else
{
context.Response.Write("no");
}
}
//删除一条记录
else if (action == "delete")
{
if (!string.IsNullOrEmpty(context.Request.Form["pk"]))
{
int pkId = 0;
if (!int.TryParse(context.Request.Form["pk"], out pkId))
{
context.Response.Write("no");
return;
}
BLL.CartManager bllCart = new BookShop.BLL.CartManager();
bllCart.Delete(pkId);
context.Response.Write("yes");
}
}
}
}
/// <summary>
/// 绑定Repeater图书列表
/// </summary>
protected void BindRepeaterBookList()
{
int categoryId = 0; //类别编号
int pageCount = 0; //总页数
int page = 1; //表示当前页
//接收类别编号
if (!int.TryParse(Request.QueryString["category"], out categoryId))
{
categoryId = 0;
}
//接收URL传递过来的当前页码值.
if (!int.TryParse(Request.QueryString["page"], out page))
{
page = 1;
}
BLL.BookManager bll = new BookShop.BLL.BookManager();
pageCount = bll.GetPageCount(5, categoryId);//获取总页数
if (page <= 1)
{
page = 1;
}
if (page > pageCount)
{
page = pageCount;
}
this.PageData2.PageCount = pageCount;
this.PageData2.CurrentPage = page;
// this.RepeaterList.DataSource = bll.GetModelList("");
string order = string.Empty;
//接收排序依据
if (!string.IsNullOrEmpty(Request.QueryString["orderby"]))
{
if (Request.QueryString["orderby"] == "PublishDate asc")
{
this.PublishData.Text = "出版日期↓";
//ViewState["orderby"] = "PublishDate asc";
}
else if (Request.QueryString["orderby"] == "PublishDate desc")
{
this.PublishData.Text = "出版日期↑";
// ViewState["orderby"] = "PublishDate desc";
}
order = Request.QueryString["orderby"];
}
if (ViewState["orderby"] != null)
{
order = ViewState["orderby"].ToString();
}
// this.RepeaterList.DataSource = bll.GetPageList(page, 10, categoryId);//获取到了分页的数据
this.RepeaterList.DataSource = bll.GetPageList(page, 5, categoryId, order);
this.RepeaterList.DataBind();
}
