zipfilestream.java

java 简单的zip程序格式转换。zip输入

import java.io.*;
import java.util.*;
import java.util.zip.*;

public class Zipfilestream {
  
  public static void main(String[] args) throws IOException 
  {
    FileOutputStream f =
      new FileOutputStream("test.zip");  //建立输出文件流
  
    ZipOutputStream out =
      new ZipOutputStream(
        new BufferedOutputStream(f));  //建立zip流
    
     out.setComment( "xiongbin 2009/4/12");//设置 ZIP 文件注释
   
      BufferedInputStream inbf =
        new BufferedInputStream(
          new FileInputStream("in.txt"));
      out.putNextEntry(new ZipEntry("in.txt"));  //写入新的ZIP文件条目
      int c;                      //写入test.zip文件
      while((c = inbf.read()) != -1){
        out.write(c);
    }
     inbf.close();  //关闭文件流，释放资源
     out.close();
    
    // 解压缩
    
    FileInputStream fi =
       new FileInputStream("test.zip");
    
    ZipInputStream inzip =
      new ZipInputStream(
        new BufferedInputStream(fi));
    ZipEntry ze;
    while((ze = inzip.getNextEntry()) != null) 
    {
      System.out.println("读取文件" + ze + "内容");
      int x;
      x = inzip.read();
      while(x != -1)
      	{
      		System.out.write(x);
            x = inzip.read();
      	}
    }
  
     ZipFile zf = new ZipFile("test.zip");
     Enumeration e = zf.entries();
     while(e.hasMoreElements())
     {
      ZipEntry ze2 = (ZipEntry)e.nextElement();
      System.out.println("\n\nZIP条目的内容\nFile: " + ze2);
     }
  }
}