C#文件流进行压缩和解压缩的方法

本文实例讲述了c#文件流进行压缩和解压缩的方法。分享给大家供大家参考。具体实现方法如下：

using system;
using system.collections.generic;
using system.componentmodel;
using system.data;
using system.drawing;
using system.io;
using system.io.compression;
using system.linq;
using system.text;
using system.threading.tasks;
using system.windows.forms;
namespace 文件流
{
 public partial class form1 : form
 {
 public form1()
 {
  initializecomponent();
 }
 private void button1_click(object sender, eventargs e)
 {
  string s = "好好好好好好好好好好好好好好好好好好好好好哈好好好好好啊";
  for (int i = 0; i < 10; i++)
  {
  s += s;
  }
  using (filestream fs=file.openwrite(@"c:\1.txt"))
  {
  using (gzipstream zipstream=new gzipstream(fs,compressionmode.compress))
  {
   byte[] bytes = encoding.utf8.getbytes(s);
   zipstream.write(bytes,0,bytes.length);
   messagebox.show("压缩成功!");  
  }
  }
 }
 private void button2_click(object sender, eventargs e)
 {
  using (filestream fs=file.openread(@"c:\1.txt"))
  {
  using (gzipstream zipstream=new gzipstream(fs,compressionmode.decompress))
  {
   using (filestream fs1=file.openwrite(@"c:\upzip.txt"))
   {
   int bytesread;
   byte[] bytes=new byte[1024];
   while((bytesread=zipstream.read(bytes,0,bytes.length))>0)
   {
    fs1.write(bytes,0,bytesread);
   }
   messagebox.show("解压成功!");  
   }
  }
  }
 }
 }
}

希望本文所述对大家的c#程序设计有所帮助。