C#解压多个文件夹下的多个zip到一个目录下

  1 using System;
  2 using System.Collections.Generic;
  3 using System.Linq;
  4 using System.Text;
  5 using System.IO;
  6 using ICSharpCode.SharpZipLib;
  7 using ICSharpCode.SharpZipLib.Zip;
  8 using ICSharpCode.SharpZipLib.Checksums;
  9 
 10 namespace Unzip
 11 {
 12     class Unzip
 13     {
 14         /// <summary>
 15         /// 解压一个文件
 16         /// </summary>
 17         /// <param name="zipFilePath">需要解压文件所在的路径</param>
 18         /// <param name="targetFilePath">将zip解压到此目录下</param>
 19         /// <returns></returns>
 20         public static void UnZipFile(string zipFilePath, string targetFilePath)
 21         {
 22             ZipInputStream zipInputStream = null;
 23             FileStream streamWrite = null;
 24             ZipEntry ent = null;
 25             string fileName;//解压文件时读写zip文件所用的变量
 26 
 27             // 去掉文件夹或文件的只读属性
 28             if (true == Directory.Exists(zipFilePath))
 29             {
 30                 System.IO.DirectoryInfo directoryInfo = new System.IO.DirectoryInfo(zipFilePath);
 31                 directoryInfo.Attributes = FileAttributes.Normal;
 32             }
 33 
 34             //创建目录
 35             if (!Directory.Exists(targetFilePath))
 36                 Directory.CreateDirectory(targetFilePath);
 37 
 38             //遍历文件夹
 39             DirectoryInfo theFolder = new DirectoryInfo(zipFilePath);
 40             DirectoryInfo[] dirInfo = theFolder.GetDirectories();
 41 
 42             foreach (DirectoryInfo NextFolder in dirInfo)
 43             {
 44                 //遍历子文件          
 45                 FileInfo[] fileInfo = NextFolder.GetFiles("*.zip", SearchOption.AllDirectories);
 46 
 47                 foreach (FileInfo NextFile in fileInfo)
 48                 {
 49                     try
 50                     {
 51                         //去掉只读属性
 52                         File.SetAttributes(zipFilePath, FileAttributes.Normal);     
 53 
 54                         zipInputStream = new ZipInputStream(File.OpenRead(NextFile.FullName));
 55 
 56                         while ((ent = zipInputStream.GetNextEntry()) != null)
 57                         {
 58                             if (!string.IsNullOrEmpty(ent.Name))
 59                             {
 60                                 fileName = Path.Combine(targetFilePath + @"\" + NextFolder.Name, ent.Name);
 61                                 fileName = fileName.Replace(‘/‘, ‘\\‘);
 62 
 63                                 if (fileName.EndsWith("\\"))
 64                                 {
 65                                     Directory.CreateDirectory(fileName);
 66                                     continue;
 67                                 }
 68 
 69                                 streamWrite = File.Create(fileName);
 70                                 int size = 2048;
 71                                 byte[] data = new byte[size];
 72 
 73                                 while (true)
 74                                 {
 75                                     size = zipInputStream.Read(data, 0, data.Length);
 76                                     if (size > 0)
 77                                         streamWrite.Write(data, 0, size);
 78                                     else
 79                                         break;
 80                                 }
 81                             }
 82                         }
 83                     }
 84                     catch(Exception ex)
 85                     {
 86                         throw ex;
 87                     }
 88                     finally
 89                     {
 90                         if (streamWrite != null)
 91                         {
 92                             streamWrite.Close();
 93                             streamWrite.Dispose();
 94                         }
 95                         if (zipInputStream != null)
 96                         {
 97                             zipInputStream.Close();
 98                             zipInputStream.Dispose();
 99                         }
100                         if (ent != null)
101                         {
102                             ent = null;
103                         }
104                         GC.Collect();
105                         GC.Collect(1);
106                     }
107                 }
108             }
109         }
110   
111 
112