首页 > 代码库 > 摘:C#压缩文件
摘:C#压缩文件
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | 【【【【C#压缩文件】】】】 方法1: //【filepath想要压缩文件的地址】 //【zippath输出压缩文件的地址】 private void GetFileToZip( string filepath, string zippath) { FileStream fs = File.OpenRead(filepath); byte [] buffer = new byte [fs.Length]; fs.Read(buffer, 0, buffer.Length); fs.Close(); FileStream ZipFile = File.Create(zippath); ZipOutputStream ZipStream = new ZipOutputStream(ZipFile); ZipEntry ZipEntry = new ZipEntry(输出的文件名称); ZipStream.PutNextEntry(ZipEntry); ZipStream.SetLevel(6); ZipStream.Write(buffer, 0, buffer.Length); ZipStream.Finish(); ZipStream.Close(); } 方法2: private void FileToZip( string path, string address) { string name = openFileDialog1.FileName.Substring(openFileDialog1.FileName.LastIndexOf( "\\" )+1); FileStream StreamToZip = new FileStream(path, FileMode.Open, FileAccess.Read); FileStream ZipFile = File.Create(address); ZipOutputStream ZipStream = new ZipOutputStream(ZipFile); //压缩文件 ZipEntry ZipEntry = new ZipEntry(name); ZipStream.PutNextEntry(ZipEntry); ZipStream.SetLevel(6); byte [] buffer = new byte [StreamToZip.Length]; StreamToZip.Read(buffer, 0, Convert.ToInt32(StreamToZip.Length)); ZipStream.Write(buffer, 0, Convert.ToInt32(StreamToZip.Length)); ZipStream.Finish(); ZipStream.Close(); StreamToZip.Close(); } 【【【【【【C#解压文件】】】】】】 private void ZipToFile( string path, string addres) { ZipInputStream s = new ZipInputStream(File.OpenRead(path)); ZipEntry fileEntry; while ((fileEntry = s.GetNextEntry()) != null ) { string filename = Path.GetFileName(fileEntry.Name); if (filename != "" ) { filename = addres + "\\" + filename; FileStream streamWriter = File.Create(filename); int size = 2048; byte [] buffer = new byte [s.length]; size = s.Read(buffer, 0, size); streamWriter.Write(buffer, 0, size); streamWriter.Close(); } } s.Close(); } 【【【【【【C#压缩目录】】】】】】 方法1: //【arg[0]要压缩的目录】 //【arg[1]输出的压缩文件】 private void DirectoryToZip( string path, string address) { //获取当前文件夹中所有的文件 string [] filenames = Directory.GetFiles(path); Crc32 crc = new Crc32(); //创建输出文件(ZIP格式的文件) ZipOutputStream zos = new ZipOutputStream(File.Create(address)); zos.SetLevel(6); //遍历所有的文件 foreach ( string name in filenames) { FileStream fs = File.OpenRead(name); byte [] buffer = new byte [fs.Length]; //读取文件 fs.Read(buffer, 0, Convert.ToInt32(fs.Length)); //获取文件的文件名称和后缀名 string file = Path.GetFileName(name); //输出文件的名称 ZipEntry entry = new ZipEntry(file); crc.Reset(); crc.Update(buffer); entry.Crc = crc.Value; zos.PutNextEntry(entry); zos.Write(buffer, 0, Convert.ToInt32(fs.Length)); fs.Close(); } zos.Finish(); zos.Close(); } 【【【【【【【【C#读取压缩文件(将压缩文件转换为二进制)】】】】】】】】 private void GetZipToByte(){ string path = @"C:\Documents and Settings\Administrator\桌面\文件.rar" ; FileStream fs = new FileStream(path, FileMode.Open); bytes = new byte [fs.Length]; int count = Convert.ToInt32(fs.Length); fs.Read(bytes, 0, count); } 【【【【【【【【C#将二进制转换为压缩文件】】】】】】】】 private void GetByteToZip() { string path = @"F:\dom.rar" ; //压缩文件的地址 File.WriteAllBytes(path, bytes); } |
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