com.lone.common.util.ZipUtil Maven / Gradle / Ivy
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package com.lone.common.util;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.zip.ZipOutputStream;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
public class ZipUtil {
/**
* 解压到指定目录
*
* @param zipPath
* @param descDir
* @author isea533
*/
@Deprecated
public static void unZipFiles(String zipPath, String descDir)
throws IOException {
unZipFiles(new File(zipPath), descDir);
}
/**
* 解压文件到指定目录
*
* @param zipFile
* @param descDir
* @author isea533
*/
@SuppressWarnings("rawtypes")
public static void unZipFiles(File zipFile, String descDir)
throws IOException {
File pathFile = new File(descDir);
if (!pathFile.exists()) {
pathFile.mkdirs();
}
ZipFile zip = new ZipFile(zipFile);
for (Enumeration entries = zip.getEntries(); entries.hasMoreElements();) {
ZipEntry entry = (ZipEntry) entries.nextElement();
String zipEntryName = entry.getName();
InputStream in = zip.getInputStream(entry);
String outPath = (descDir + zipEntryName).replaceAll("\\*", "/");
outPath = new String(outPath.getBytes("utf-8"), "ISO8859-1");
;
// 判断路径是否存在,不存在则创建文件路径
File file = new File(outPath.substring(0, outPath.lastIndexOf('/')));
if (!file.exists()) {
file.mkdirs();
}
// 判断文件全路径是否为文件夹,如果是上面已经上传,不需要解压
if (new File(outPath).isDirectory()) {
continue;
}
// 输出文件路径信息
//System.out.println(outPath);
OutputStream out = new FileOutputStream(outPath);
byte[] buf1 = new byte[1024];
int len;
while ((len = in.read(buf1)) > 0) {
out.write(buf1, 0, len);
}
in.close();
out.close();
}
}
/**
* 递归压缩文件
*
* @param source
* 源路径,可以是文件,也可以目录
* @param destinct
* 目标路径,压缩文件名
* @throws IOException
*/
public static void compress(String source, String destinct)
throws IOException {
List fileList = loadFilename(new File(source));
ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(
new File(destinct)));
byte[] buffere = new byte[8192];
int length;
BufferedInputStream bis;
for (int i = 0; i < fileList.size(); i++) {
File file = (File) fileList.get(i);
zos.putNextEntry(new ZipEntry(getEntryName(source, file)));
bis = new BufferedInputStream(new FileInputStream(file));
while (true) {
length = bis.read(buffere);
if (length == -1)
break;
zos.write(buffere, 0, length);
}
bis.close();
zos.closeEntry();
}
zos.close();
}
/**
* 递归获得该文件下所有文件名(不包括目录名)
*
* @param file
* @return
*/
private static List loadFilename(File file) {
List filenameList = new ArrayList();
if (file.isFile()) {
filenameList.add(file);
}
if (file.isDirectory()) {
for (File f : file.listFiles()) {
filenameList.addAll(loadFilename(f));
}
}
return filenameList;
}
/**
* 获得zip entry 字符串
*
* @param base
* @param file
* @return
*/
private static String getEntryName(String base, File file) {
File baseFile = new File(base);
String filename = file.getPath();
// int index=filename.lastIndexOf(baseFile.getName());
if (baseFile.getParentFile().getParentFile() == null)
return filename.substring(baseFile.getParent().length());
return filename.substring(baseFile.getParent().length() + 1);
}
// public static void main(String[] args) throws IOException {
// //compress("D:/tomcat-5.5.20","d:/test/testZip.zip");
// unZip("D:/saas-plugin-web-master-shiro-mybatis.zip","D:/123");
// }
private static final int buffer = 2048;
/**
* 解压Zip文件
* @param path 文件目录
*/
public static void unZip(String path,String savepath)
{
int count = -1;
File file = null;
InputStream is = null;
FileOutputStream fos = null;
BufferedOutputStream bos = null;
new File(savepath).mkdir(); //创建保存目录
ZipFile zipFile = null;
try
{
zipFile = new ZipFile(path,"gbk"); //解决中文乱码问题
Enumeration entries = zipFile.getEntries();
while(entries.hasMoreElements())
{
byte buf[] = new byte[buffer];
ZipEntry entry = (ZipEntry)entries.nextElement();
String filename = entry.getName();
boolean ismkdir = false;
if(filename.lastIndexOf("/") != -1){ //检查此文件是否带有文件夹
ismkdir = true;
}
filename = savepath + filename;
if(entry.isDirectory()){ //如果是文件夹先创建
file = new File(filename);
file.mkdirs();
continue;
}
file = new File(filename);
if(!file.exists()){ //如果是目录先创建
if(ismkdir){
new File(filename.substring(0, filename.lastIndexOf("/"))).mkdirs(); //目录先创建
}
}
file.createNewFile(); //创建文件
is = zipFile.getInputStream(entry);
fos = new FileOutputStream(file);
bos = new BufferedOutputStream(fos, buffer);
while((count = is.read(buf)) > -1)
{
bos.write(buf, 0, count);
}
bos.flush();
bos.close();
fos.close();
is.close();
}
zipFile.close();
}catch(IOException ioe){
ioe.printStackTrace();
}finally{
try{
if(bos != null){
bos.close();
}
if(fos != null) {
fos.close();
}
if(is != null){
is.close();
}
if(zipFile != null){
zipFile.close();
}
}catch(Exception e) {
e.printStackTrace();
}
}
}
}