package com.test.zip;
import java.util.*;
import java.util.zip.*;
import java.io.*;
public class ZipTool {
/**
* 压缩文件
*
* @param zipFileName
* 保存的压缩包文件路径
* @param inputFile
* 需要压缩的文件夹或者文件路径
* @throws Exception
*/
public void zip(String zipFileName, String filePath,boolean isDelete) throws Exception {
zip(zipFileName, new File(filePath),isDelete);
}
public void zip(String zipFileName, File inputFile,boolean isDelete) throws Exception {
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFileName));
if(!inputFile.exists()){
throw new FileNotFoundException("在指定路径未找到需要压缩的文件！");
}
zip(out, inputFile, "",isDelete);// 递归压缩方法
System.out.println("Zip Done.");
out.close();
}
/**
* 递归压缩方法
*
* @param out
* 压缩包输出流
* @param f
* 需要压缩的文件
* @param base
* 压缩的路径
* @throws Exception
*/
private void zip(ZipOutputStream out, File f, String base,boolean isDelete) throws Exception {
System.out.println("Zipping : " + f.getPath()); // 记录日志，开始压缩
if(f.isDirectory()) { // 如果是文件夹，则获取下面的所有文件
File[] fl = f.listFiles();
out.putNextEntry(new ZipEntry(base + "/"));
base = base.length() == 0 ? "" : base + "/";
for(int i = 0; i < fl.length; i++) {
zip(out, fl[i], base + fl[i].getName(),isDelete);
}
} else { // 如果是文件，则压缩
out.putNextEntry(new ZipEntry(base)); // 生成下一个压缩节点
FileInputStream in = new FileInputStream(f); // 读取文件内容
int b;
while((b = in.read()) != -1){
out.write(b); // 写入到压缩包
}
in.close();
}
if(isDelete){
f.delete();
}
}
public void unZip(String zipFilePath,String fileSavePath,boolean isDelete) throws Exception{
if(!fileSavePath.endsWith("//")){
fileSavePath+="//";
}
File file = new File(zipFilePath);
ZipFile zipFile=null;
File savePath = new File(fileSavePath);
//验证待解压文件是否存在
if(!file.exists()){
throw new FileNotFoundException("在指定路径未找到ZIP压缩文件！");
}
zipFile=new ZipFile(file);
//创建解压缩目录
if(!savePath.exists()){
savePath.mkdirs();
}
ZipInputStream zis=new ZipInputStream(new FileInputStream(file));
FileOutputStream fos=null;
ZipEntry entry=null;
int b;
while((entry=zis.getNextEntry())!=null){
file=new File(fileSavePath+entry.getName());
if(entry.isDirectory()){
//目录
System.out.println("create dir : " +file.getPath());
file.mkdirs();
}else{
//文件
System.out.println("create file: " +file.getPath());
fos=new FileOutputStream(file);
while((b=zis.read())!=-1){
fos.write(b);
}
fos.close();
}
}
zis.close();
if(isDelete){
new File(zipFilePath).delete();
}
System.out.println("unZip Done.");
}
public static void main(String[] args) {
ZipTool cpr = new ZipTool();
try {
cpr.zip("E://test.zip", "E://home",false);
cpr.unZip("E://test.zip", "E://homee", false);
} catch(Exception e) {
e.printStackTrace();
}
}
}