ZipHelper 在线压缩解压帮助类（SharpZipLib组件实现）

 1 using System;
 2  using System.Data;
 3  using System.Configuration;
 4 using System.Linq;
 5 using System.Web;
 6 using System.Web.Security;
 7 using System.Web.UI;
 8 using System.Web.UI.HtmlControls;
 9 using System.Web.UI.WebControls;
10 using System.Web.UI.WebControls.WebParts;
11 using System.Xml.Linq;
12 using System.IO;
13 using ICSharpCode.SharpZipLib.Zip;
14 
15 /// <summary>
16 ///ZipHelper 的摘要说明
17 /// </summary>
18 public class ZipHelper
19 {
20     /// <summary>
21     /// 创建ZipHelper实例
22     /// </summary>
23     public static readonly ZipHelper Instance = new ZipHelper();
24 
25     private ZipHelper() { }
26 
27     /// <summary>
28     /// 压缩文件
29     /// </summary>
30     /// <param name="zipFileName">文件名</param>
31     /// <param name="sourceDirectory">源文件目录</param>
32     public void CreateZip(string zipFileName, string sourceDirectory)
33     {
34         FastZip fastZip = new FastZip();
35 
36         try
37         {
38             fastZip.CreateEmptyDirectories = true;
39             fastZip.CreateZip(zipFileName, sourceDirectory, true, "");
40         }
41         catch (Exception ex)
42         {
43             throw new Exception(ex.Message);
44         }
45         finally
46         {
47             fastZip = null;
48         }
49     }
50 
51     /// <summary>
52     /// 解压文件
53     /// </summary>
54     /// <param name="zipFileName">文件名</param>
55     /// <param name="targetDirectory">目标文件目录</param>
56     public void ExtractZip(string zipFileName, string targetDirectory)
57     {
58         FastZip fastZip = new FastZip();
59 
60         try
61         {
62             fastZip.ExtractZip(zipFileName, targetDirectory, "");
63         }
64         catch (Exception ex)
65         {
66             throw new Exception(ex.Message);
67         }
68         finally
69         {
70             fastZip = null;
71         }
72     }
73 }
74