c#如何把文件夹压缩打包然后下载

系统管理员 2022-09-27 00:27 214阅读 0赞

2013-03-12 14:57  6197人阅读  [评论][Link 1](4)  收藏  [举报][Link 2]

**\[csharp\]**  [view plain][]   [copy][view plain]

1.  **public** partial **class** \_Default2 : System.Web.UI.Page\{  
2.          **protected** **void** Page\_Load(**object** sender, EventArgs e)  
3.          \{  
4.    
5.          \}  
6.          **protected** **void** Button1\_Click(**object** sender, EventArgs e)  
7.          \{  
8.              **string** Path = "c:\\\\de";  
9.              **string** resultPath = **string**.Empty;  
10.             **bool** rel =**false**;  
11.             TimeSpan nowTimeSpan=**new** TimeSpan();  
12.             resultPath=YaSuo(**out** rel, **out** nowTimeSpan);  
13.             ResponseFile(resultPath);  
14.         \}  
15.   
16.         /// <summary>  
17.         /// 压缩文件  
18.         /// </summary>  
19.         /// <returns>返回压缩后的路径</returns>  
20.         **public** **string** YaSuo(**out** **bool** bo, **out** TimeSpan times)  
21.         \{  
22.             **string** rarurlPath = **string**.Empty;  
23.             bo = **false**;  
24.             //压缩文件  
25.             **string** yasuoPathSave = "c:\\\\de\\\\TZ.rar";  
26.             **string** yasuoPath = "c:\\\\de\\\\temp";  
27.             System.Diagnostics.Process pro = **new** System.Diagnostics.Process();  
28.             pro.StartInfo.FileName = @"C:\\Program Files\\WinRAR\\WinRAR.exe";//WinRAR所在路径  
29.             //pro.StartInfo.Arguments = "a " + yasuoPathSave + " " + yasuoPath + " -r ";//dir是你的目录名   
30.             pro.StartInfo.Arguments = **string**.Format("a \{0\} \{1\} -r",yasuoPathSave,yasuoPath);  
31.    
32.             pro.Start();  
33.             times = pro.TotalProcessorTime;  
34.             bo = pro.WaitForExit(60000);//设定一分钟  
35.             **if** (!bo)  
36.                 pro.Kill();  
37.             pro.Close();  
38.             pro.Dispose();  
39.             rarurlPath = yasuoPathSave;  
40.             **return** rarurlPath;  
41.         \}  
42.   
43.   
44.         **protected** **void** ResponseFile(**string** filename)  
45.         \{  
46.   
47.             FileInfo file = **new** FileInfo(filename);//创建一个文件对象  
48.             Response.Clear();//清除所有缓存区的内容  
49.             Response.Charset = "GB2312";//定义输出字符集  
50.             Response.ContentEncoding = Encoding.Default;//输出内容的编码为默认编码  
51.             Response.AddHeader("Content-Disposition","attachment;filename="\+file.Name);  
52.             //添加头信息。为“文件下载/另存为”指定默认文件名称  
53.             Response.AddHeader("Content-Length",file.Length.ToString());  
54.             //添加头文件，指定文件的大小，让浏览器显示文件下载的速度   
55.             Response.WriteFile(file.FullName);// 把文件流发送到客户端  
56.             Response.End();  
57.         \}  
58.   
59.   
60.     \}

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[Link 1]: http://blog.csdn.net/nieweiking/article/details/8663734#comments
[Link 2]: http://blog.csdn.net/nieweiking/article/details/8663734#report
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