64 lines
2.2 KiB
C#
64 lines
2.2 KiB
C#
using System;
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using System.Data;
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using System.Configuration;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
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using WeiSha.Common;
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using Song.ServiceInterfaces;
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using Song.Entities;
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namespace Song.Site.Manage.Content
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{
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/// <summary>
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/// 记录下载的次数
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/// </summary>
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public class LoadNumber : IHttpHandler
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{
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#region IHttpHandler 成员
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public void ProcessRequest(HttpContext context)
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{
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string filePath = context.Request.FilePath;
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if (filePath.IndexOf(".") > -1)
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{
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//如果是图片（下载信息的图片logo）
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if (filePath.Substring(filePath.LastIndexOf(".") + 1).ToLower() == "jpg")
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{
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context.Response.WriteFile(context.Request.FilePath);
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}
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else
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{
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//如果下载资料，则记录数加一
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string file = filePath.Substring(filePath.LastIndexOf("/") + 1);
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Business.Do<IContents>().DownloadNumber(file, 1);
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//下载
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context.Response.Clear();
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context.Response.ClearContent();
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context.Response.ClearHeaders();
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context.Response.AddHeader("Content-Disposition", "attachment;filename=" + file);
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System.IO.FileInfo fi = new System.IO.FileInfo(context.Server.MapPath(filePath));
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context.Response.AddHeader("Content-Length", fi.Length.ToString());
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context.Response.AddHeader("Content-Transfer-Encoding", "binary");
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context.Response.ContentType = "application/octet-stream";
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context.Response.ContentEncoding = System.Text.Encoding.UTF8;
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context.Response.WriteFile(filePath);
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context.Response.Flush();
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context.Response.End();
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}
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}
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}
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public bool IsReusable
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{
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get { return true; }
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}
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#endregion
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}
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}
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