C#断点续传

实现大文件上传断点续传、以解决大文件因断网、网页关闭等无意操作而造成上传中断而需重新上传。系统可自动从上次已上传文件处开始上传。

using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load（object sender EventArgs e）
    {

    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2013-08-06 11:08  断点续传\
     目录           0  2013-08-06 11:25  断点续传\WebSite1\
     目录           0  2013-07-23 09:41  断点续传\WebSite1\App_Code\
     文件        6263  2013-07-23 09:41  断点续传\WebSite1\App_Code\BreakUpload.cs
     文件        3851  2011-09-02 16:14  断点续传\WebSite1\App_Code\Service.cs
     文件         130  2011-09-02 10:48  断点续传\WebSite1\App_Code\vssver2.scc
     目录           0  2011-08-31 15:45  断点续传\WebSite1\App_Data\
     文件          92  2013-07-23 09:37  断点续传\WebSite1\BreakUpload.asmx
     目录           0  2013-08-06 11:26  断点续传\WebSite1\ConvertFile\
     目录           0  2011-08-31 16:00  断点续传\WebSite1\Css\
     文件        4421  2011-08-19 17:32  断点续传\WebSite1\Css\nbzh.css
     目录           0  2011-08-31 16:00  断点续传\WebSite1\Css\redmond\
     目录           0  2011-08-31 16:00  断点续传\WebSite1\Css\redmond\images\
     文件         180  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-bg_flat_0_aaaaaa_40x100.png
     文件         182  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-bg_flat_55_fbec88_40x100.png
     文件         124  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-bg_glass_75_d0e5f5_1x400.png
     文件         123  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-bg_glass_85_dfeffc_1x400.png
     文件         119  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-bg_glass_95_fef1ec_1x400.png
     文件        3457  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-bg_gloss-wave_55_5c9ccc_500x100.png
     文件         104  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-bg_inset-hard_100_f5f8f9_1x100.png
     文件          88  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-bg_inset-hard_100_fcfdfd_1x100.png
     文件        4369  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-icons_217bc0_256x240.png
     文件        4369  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-icons_2e83ff_256x240.png
     文件        4369  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-icons_469bdd_256x240.png
     文件        4369  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-icons_6da8d5_256x240.png
     文件        4369  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-icons_cd0a0a_256x240.png
     文件        5355  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-icons_d8e7f3_256x240.png
     文件        4369  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\images\ui-icons_f9bd01_256x240.png
     文件         823  2011-08-31 16:00  断点续传\WebSite1\Css\redmond\images\vssver2.scc
     文件       30883  2011-06-02 14:06  断点续传\WebSite1\Css\redmond\jquery-ui-1.8.custom.css
     文件         147  2011-08-31 16:00  断点续传\WebSite1\Css\redmond\vssver2.scc
............此处省略33个文件信息