protected string ViewTitle(int _kindId, int _parentId)
{
string str = "错误，暂无找到该信息标题！";
switch (_kindId)
{
case (int)Channel.Article:
DtCms.BLL.Article abll = new DtCms.BLL.Article();
DtCms.Model.Article amodel = abll.GetModel(_parentId);
if (amodel != null)
{
str = amodel.Title;
}
break;
case (int)Channel.Pictures:
DtCms.BLL.Pictures pbll = new DtCms.BLL.Pictures();
DtCms.Model.Pictures pmodel = pbll.GetModel(_parentId);
if (pmodel != null)
{
str = pmodel.Title;
}
break;
case (int)Channel.Downloads:
DtCms.BLL.Downloads dbll = new DtCms.BLL.Downloads();
DtCms.Model.Downloads dmodel = dbll.GetModel(_parentId);
if (dmodel != null)
{
str = dmodel.Title;
}
break;
}
return(str);
}
/// <summary>
/// 返回下载的ID，用于上一条或下一条链接
/// </summary>
protected int GetDownloadsId(string _where)
{
DtCms.BLL.Downloads bll = new DtCms.BLL.Downloads();
DataSet ds = bll.GetList(1, _where, "AddTime desc");
if (ds.Tables[0].Rows.Count > 0)
{
return(Convert.ToInt32(ds.Tables[0].Rows[0]["Id"]));
}
return(-1);
}
public void ProcessRequest(HttpContext context)
{
int _id;
//获得下载ID
if (!int.TryParse(context.Request.Params["id"] as string, out _id))
{
context.Response.Redirect("/error.aspx");
return;
}
//检查下载记录是否存在
DtCms.BLL.Downloads bll = new DtCms.BLL.Downloads();
if (!bll.Exists(_id))
{
context.Response.Redirect("/error.aspx");
return;
}
//下载次数+1
bll.UpdateField(_id, "DownNum=DownNum+1");
//取得文件绝对路径
string filePath = bll.GetModel(_id).FilePath;
//检查文件本地还是远程
if (filePath.ToLower().StartsWith("http://"))
{
context.Response.Redirect(filePath);
return;
}
else
{
//取得文件物理路径
string fullFileName = Utils.GetMapPath(filePath);
if (!File.Exists(fullFileName))
{
context.Response.Redirect("/error.aspx");
return;
}
FileInfo file = new FileInfo(fullFileName); //路径
context.Response.ContentEncoding = System.Text.Encoding.GetEncoding("UTF-8"); //解决中文乱码
context.Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(file.Name)); //解决中文文件名乱码
context.Response.AddHeader("Content-length", file.Length.ToString());
context.Response.ContentType = "application/pdf";
context.Response.WriteFile(file.FullName);
context.Response.End();
}
}
/// <summary>
/// 绑定Repeater控件数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Download_List_DataBind(object sender, EventArgs e)
{
Repeater _rpt = sender as Repeater;
if (_rpt == null)
{
return;
}
DtCms.BLL.Downloads bll = new DtCms.BLL.Downloads();
//绑定数据
if (_rpt.PageSize > 0)
{
_rpt.DataSource = bll.GetPageList(_rpt.PageSize, _rpt.PageIndex, _rpt.Where, "AddTime desc");
}
else
{
_rpt.DataSource = bll.GetList(_rpt.Top, _rpt.Where, "AddTime desc");
}
_rpt.DataBind();
}