Java创建压缩文件
package com.pdf;

import java.io.Closeable;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;


/**
* java压缩文件，导入ant.jar包
*/
public class CrateZip
{

public static void main(String args[]) {
String needtozipfilepath = "d:/temp/";
String zipFileName = "d:/用户分布.zip";
new CrateZip().createDownLoadZipFileByAntZip(needtozipfilepath, zipFileName);
}

/**
* 打包文件
*/
public static void createDownLoadZipFileByAntZip(String needtozipfilepath,
String zipFileName)
{

ZipOutputStream out = null;
FileInputStream in = null;
FileOutputStream zipOut = null;
ZipEntry zipEntry = null;
try
{

//获取文件路径
File srcPath = new File(needtozipfilepath);

//获取文件个数
int len1 = srcPath.listFiles().length;

//创建文件 路径数组
String[] filenames = new String[len1];

byte[] buf = new byte[1024];

//获取文件
File[] files = srcPath.listFiles();
zipOut = new FileOutputStream(zipFileName);
out = new ZipOutputStream(zipOut);
//循环添加 文件到包中
for (int i = 0; i < filenames.length; i++)
{
in = new FileInputStream(files[i]);
zipEntry = new ZipEntry(files[i].getName());
out.setEncoding("GBK");
out.putNextEntry(zipEntry);
int len;
while ((len = in.read(buf)) > 0)
{
out.write(buf, 0, len);
}

out.closeEntry();

in.close();
}

}
catch (Exception e)
{
e.printStackTrace();
}
finally
{
closeObj(out);
closeObj(in);
closeObj(zipOut);
}

}

/**
* 关闭IO流
*/
private static void closeObj(Closeable closeable)
{
if (null != closeable)
{
try
{
closeable.close();
}
catch (IOException e)
{
e.printStackTrace();
}
}
}

}