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【【【【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); } |
原文：http://www.cnblogs.com/shenchao/p/3725634.html