java实现指定文件或目录的zip压缩代码,Java代码库,德仔网

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【Java】 java实现指定文件或目录的zip压缩
作者:Atlas_qf / 发布于2013/8/5/ 1017

	package net.szh.zip;

	import java.io.BufferedInputStream;
	import java.io.BufferedOutputStream;
	import java.io.BufferedReader;
	import java.io.File;
	import java.io.FileInputStream;
	import java.io.FileNotFoundException;
	import java.io.FileOutputStream;
	import java.io.FileReader;
	import java.io.FilterInputStream;
	import java.io.IOException;
	import java.io.InputStream;
	import java.io.InputStreamReader;
	import java.io.OutputStream;
	import java.io.OutputStreamWriter;
	import java.io.SequenceInputStream;
	import java.util.ArrayList;
	import java.util.Enumeration;
	import java.util.List;
	import java.util.zip.CRC32;
	import java.util.zip.CheckedOutputStream;
	import java.util.zip.Checksum;
	//import javax.rmi.CORBA.Util;
	//import java.util.zip.ZipEntry;
	//import java.util.zip.ZipOutputStream;
	import org.apache.tools.zip.ZipEntry;
	import org.apache.tools.zip.ZipOutputStream;
	import org.apache.tools.zip.ZipFile;


	public class ZipCompress {
	static final int BUFFER = 8192;
	private File zipFile;

	public ZipCompress(String pathName) {
	 zipFile = new File(pathName);
	}

	public void Compress(String srcPathName) {
	 File file = new File(srcPathName);
	 if (!file.exists()) {
	 throw new RuntimeException(srcPathName + "不存在");
	 }
	 try {
	 FileOutputStream fos = new FileOutputStream(zipFile);
	 CheckedOutputStream cos = new CheckedOutputStream(fos, new CRC32());
	 ZipOutputStream zos =new ZipOutputStream(cos);
	
	 BufferedOutputStream bos = new BufferedOutputStream(zos);
	 ArrayList<String> list=new ArrayList<String>();
	 list.add("d:/安装系统.exe");
	 list.add("d:/FeiQ.exe");
	 list.add("e:/jk.txt");//添加你要压缩的文件目录
	 for(String string:list){
	 BufferedReader in = new BufferedReader(new FileReader(string));
	 int i=0;
	 zos.putNextEntry(new ZipEntry(string));
	 while((i=in.read())!=-1){
	 zos.write(i);
	 }
	 zos.flush();
	 in.close();
	 }
	
	
	 String basedir = "";
	 Compress(file, zos, basedir);
	 zos.close();
	 } catch (Exception e) {
	 throw new RuntimeException(e);
	 }
	}

	private void Compress(File file, ZipOutputStream zos, String basedir) {
	 if (file.isDirectory()) {
	 System.out.println("压缩" + basedir + file.getName()+"成功");
	 this.CompressDirectory(file, zos, basedir);
	 } else {
	 System.out.println("压缩" + basedir + file.getName()+"成功");
	 this.CompressFile(file, zos, basedir);
	 }
	}

	private void CompressDirectory(File dir, ZipOutputStream zos, String basedir) {
	 if (!dir.exists()) {
	 return;
	 }
	 File[] files = dir.listFiles();
	 for (int i = 0; i < files[i].length(); i++) {
	 Compress(files[i], zos, basedir + dir.getName() + "/");
	 }
	}

	private void CompressFile(File file, ZipOutputStream out, String basedir) {
	 if (!file.exists()) {
	 return;
	 }
	 try {
	 BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
	 ZipEntry ze = new ZipEntry(basedir + file.getName());
	 out.putNextEntry(ze);
	 int count;
	 byte[] data = new byte[BUFFER];
	 while ((count = bis.read(data, 0, BUFFER)) != -1) {
	 out.write(data, 0, BUFFER);
	 }
	 bis.close();
	 } catch (Exception e) {
	 throw new RuntimeException(e);
	 }
	}

	public static void main(String args[]) {
	 ZipCompress zc = new ZipCompress("d:/java.zip");
	 zc.Compress("d:/");
	 System.out.println("OK/......");
	}
	}

	
	//public class ZipCompress{
	// public static void main(String args[]) throws IOException{
	// File f1 = new File("d:/jk.txt");
	// File f2 = new File("d:/kj.txt");
	// File f3 = new File("d:/jj.txt");
	// FileInputStream fis = new FileInputStream(f1);
	// FileInputStream fis1 = new FileInputStream(f2);
	//
	// InputStream sis = new SequenceInputStream(fis, fis1);
	//
	// InputStreamReader isr = new InputStreamReader(sis);
	//
	// FileOutputStream fos = new FileOutputStream(f3, true);
	//
	// OutputStreamWriter osw = new OutputStreamWriter(fos);
	//
	// int c;
	// while((c=isr.read())!=-1){
	// osw.write((char)c);
	// }
	// System.out.println("ok....");
	// isr.close();
	// osw.close();
	//
	// }
	//}
	/**
	 两个文件内容汇总到另外一个文件中*/
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