C# ICSharpCode.SharpZipLib 压缩文件 yang

利用ICSharpCode.SharpZipLib.dll 压缩文件夹
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 1 private void zip(string strFile, ZipOutputStream s, string staticFile)
 2         {
 3             if (strFile[strFile.Length - 1] != Path.DirectorySeparatorChar)
 4             {
 5                 strFile = strFile + Path.DirectorySeparatorChar;
 6             }
 7             Crc32 crc = new Crc32();
 8             string[] fileSystemEntries = Directory.GetFileSystemEntries(strFile);
 9             foreach (string str in fileSystemEntries)
10             {
11                 if (Directory.Exists(str))
12                 {
13                     zip(str, s, staticFile);
14                 }
15                 else
16                 {
17                     FileStream stream = File.OpenRead(str);
18                     byte[] buffer = new byte[stream.Length];
19                     stream.Read(buffer, 0, buffer.Length);
20                     ZipEntry entry = new ZipEntry(str.Substring(staticFile.LastIndexOf(@"\") + 1));
21                     entry.DateTime=DateTime.Now;
22                     entry.Size = stream.Length;
23                     stream.Close();
24                     crc.Reset();
25                     crc.Update(buffer);
26                     entry.Crc=crc.Value;
27                     s.PutNextEntry(entry);
28                     s.Write(buffer, 0, buffer.Length);
29                 }
30             }
31         }
32         /// <summary>
33         /// 
34         /// </summary>
35         /// <param name="strFile">文件夹</param>
36         /// <param name="strZip">压缩后文件</param>
37         public void ZipFile(string strFile, string strZip)
38         {
39             if (strFile[strFile.Length - 1] != Path.DirectorySeparatorChar)
40             {
41                 strFile = strFile + Path.DirectorySeparatorChar;
42             }
43             ZipOutputStream s = new ZipOutputStream(File.Create(strZip));
44             s.Password = "**";//需要密码可以设置
45             s.SetLevel(6);
46             zip(strFile, s, strFile);
47             s.Finish();
48             s.Close();
49         }