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小编给大家分享一下Java如何解压zip文件，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！
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代码如下：
package com.lanyuan.assembly.util;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
/**
* 解压Zip文件工具类
* @author zhangyongbo
*
*/
public class ZipUtil
{
private static final int buffer = 2048;
/**
* 解压Zip文件
* @param path 文件目录
*/
public static void unZip(String path)
{
int count = -1;
String savepath = "";
File file = null;
InputStream is = null;
FileOutputStream fos = null;
BufferedOutputStream bos = null;
savepath = path.substring(0, path.lastIndexOf(".")) + File.separator; //保存解压文件目录
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();
}
}
}
/*public static void main(String[] args)
{
unZip("F:\\110000002.zip");
String f = "F:\\110000002";
File file = new File(f);
String[] test=file.list();
for(int i=0;i上面是第一种的代码示例，接着是另外一种，代码如下：
import java.io.*;
import java.nio.charset.Charset;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
/**
* Created by wzj on 2016/9/9.
*/
public class UZipFile
{
/**
* 解压到指定目录
*/
public static void unZipFiles(String zipPath,String descDir)throws IOException
{
unZipFiles(new File(zipPath), descDir);
}
/**
* 解压文件到指定目录
*/
@SuppressWarnings("rawtypes")
public static void unZipFiles(File zipFile,String descDir)throws IOException
{
File pathFile = new File(descDir);
if(!pathFile.exists())
{
pathFile.mkdirs();
}
//解决zip文件中有中文目录或者中文文件
ZipFile zip = new ZipFile(zipFile, Charset.forName("GBK"));
for(Enumeration entries = zip.entries(); entries.hasMoreElements();)
{
ZipEntry entry = (ZipEntry)entries.nextElement();
String zipEntryName = entry.getName();
InputStream in = zip.getInputStream(entry);
String outPath = (descDir+zipEntryName).replaceAll("\\*", "/");;
//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();
}
System.out.println("******************解压完毕********************");
}
public static void main(String[] args) throws IOException {
/**
* 解压文件
*/
File zipFile = new File("d:/资料.zip");
String path = "d:/zipfile/";
unZipFiles(zipFile, path);
}
}测试结果
d:/zipfile/资料/三大框架所有题.htm
d:/zipfile/资料/三大框架所有题_files/bootstrap.css
d:/zipfile/资料/三大框架所有题_files/bootstrap.js
d:/zipfile/资料/三大框架所有题_files/css_global.css
d:/zipfile/资料/三大框架所有题_files/jquery.js
d:/zipfile/资料/三大框架所有题_files/logo.png
d:/zipfile/资料/三大框架所有题_files/scripts(1).php
d:/zipfile/资料/三大框架所有题_files/scripts(2).php
d:/zipfile/资料/三大框架所有题_files/scripts.js
d:/zipfile/资料/三大框架所有题_files/scripts.php
d:/zipfile/资料/三大框架所有题_files/transparent.gif
d:/zipfile/资料/回顾.txt
d:/zipfile/资料/源码/day29_00_struts2Interceptor/.classpath
d:/zipfile/资料/源码/day29_00_struts2Interceptor/.mymetadata
d:/zipfile/资料/源码/day29_00_struts2Interceptor/.project
d:/zipfile/资料/源码/day29_00_struts2Interceptor/.settings/.jsdtscope
d:/zipfile/资料/源码/day29_00_struts2Interceptor/.settings/com.genuitec.eclipse.j2eedt.core.prefs
d:/zipfile/资料/源码/day29_00_struts2Interceptor/.settings/org.eclipse.jdt.core.prefs
d:/zipfile/资料/源码/day29_00_struts2Interceptor/.settings/org.eclipse.wst.common.component
d:/zipfile/资料/源码/day29_00_struts2Interceptor/.settings/org.eclipse.wst.common.project.facet.core.xml
d:/zipfile/资料/源码/day29_00_struts2Interceptor/.settings/org.eclipse.wst.jsdt.ui.superType.container
d:/zipfile/资料/源码/day29_00_struts2Interceptor/.settings/org.eclipse.wst.jsdt.ui.superType.name
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/1.jsp
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/META-INF/MANIFEST.MF
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/classes/com/itheima/action/Demo1Action.class
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/classes/com/itheima/action/UserAction.class
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/classes/com/itheima/interceptors/Demo1Interceptor.class
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/classes/com/itheima/interceptors/LoginCheckInterceptor.class
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/classes/struts.xml
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/lib/asm-3.3.jar
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/lib/asm-commons-3.3.jar
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/lib/asm-tree-3.3.jar
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/lib/commons-fileupload-1.3.jar
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/lib/commons-io-2.0.1.jar
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/lib/commons-lang3-3.1.jar
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/lib/commons-logging-1.1.3.jar
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/lib/freemarker-2.3.19.jar
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/lib/javassist-3.11.0.GA.jar
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/lib/log4j-1.2.17.jar
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/lib/ognl-3.0.6.jar
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/lib/struts2-core-2.3.15.3.jar
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/lib/xwork-core-2.3.15.3.jar
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/WEB-INF/web.xml
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/index.jsp
d:/zipfile/资料/源码/day29_00_struts2Interceptor/WebRoot/login.jsp
d:/zipfile/资料/源码/day29_00_struts2Interceptor/src/com/itheima/action/Demo1Action.java
d:/zipfile/资料/源码/day29_00_struts2Interceptor/src/com/itheima/action/UserAction.java
d:/zipfile/资料/源码/day29_00_struts2Interceptor/src/com/itheima/interceptors/Demo1Interceptor.java
d:/zipfile/资料/源码/day29_00_struts2Interceptor/src/com/itheima/interceptors/LoginCheckInterceptor.java
d:/zipfile/资料/源码/day29_00_struts2Interceptor/src/struts.xml
d:/zipfile/资料/源码/day29_01_struts2Upload/.classpath
d:/zipfile/资料/源码/day29_01_struts2Upload/.mymetadata
d:/zipfile/资料/源码/day29_01_struts2Upload/.project
d:/zipfile/资料/源码/day29_01_struts2Upload/.settings/.jsdtscope
d:/zipfile/资料/源码/day29_01_struts2Upload/.settings/com.genuitec.eclipse.j2eedt.core.prefs
d:/zipfile/资料/源码/day29_01_struts2Upload/.settings/org.eclipse.jdt.core.prefs
d:/zipfile/资料/源码/day29_01_struts2Upload/.settings/org.eclipse.wst.common.component
d:/zipfile/资料/源码/day29_01_struts2Upload/.settings/org.eclipse.wst.common.project.facet.core.xml
d:/zipfile/资料/源码/day29_01_struts2Upload/.settings/org.eclipse.wst.jsdt.ui.superType.container
d:/zipfile/资料/源码/day29_01_struts2Upload/.settings/org.eclipse.wst.jsdt.ui.superType.name
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/1.jsp
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/2.jsp
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/META-INF/MANIFEST.MF
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/classes/com/itheima/action/DownloadAction.class
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/classes/com/itheima/action/Upload1Action.class
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/classes/com/itheima/action/Upload1Action_zh_CN.properties
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/classes/com/itheima/action/Upload2Action.class
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/classes/struts.xml
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/classes/美女.jpg
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/lib/asm-3.3.jar
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/lib/asm-commons-3.3.jar
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/lib/asm-tree-3.3.jar
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/lib/commons-fileupload-1.3.jar
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/lib/commons-io-2.0.1.jar
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/lib/commons-lang3-3.1.jar
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/lib/commons-logging-1.1.3.jar
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/lib/freemarker-2.3.19.jar
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/lib/javassist-3.11.0.GA.jar
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/lib/log4j-1.2.17.jar
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/lib/ognl-3.0.6.jar
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/lib/struts2-core-2.3.15.3.jar
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/lib/xwork-core-2.3.15.3.jar
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/WEB-INF/web.xml
d:/zipfile/资料/源码/day29_01_struts2Upload/WebRoot/success.jsp
d:/zipfile/资料/源码/day29_01_struts2Upload/src/com/itheima/action/DownloadAction.java
d:/zipfile/资料/源码/day29_01_struts2Upload/src/com/itheima/action/Upload1Action.java
d:/zipfile/资料/源码/day29_01_struts2Upload/src/com/itheima/action/Upload1Action_zh_CN.properties
d:/zipfile/资料/源码/day29_01_struts2Upload/src/com/itheima/action/Upload2Action.java
d:/zipfile/资料/源码/day29_01_struts2Upload/src/struts.xml
d:/zipfile/资料/源码/day29_01_struts2Upload/src/美女.jpg
d:/zipfile/资料/源码/day29_02_struts2ognl/.classpath
d:/zipfile/资料/源码/day29_02_struts2ognl/.mymetadata
d:/zipfile/资料/源码/day29_02_struts2ognl/.project
d:/zipfile/资料/源码/day29_02_struts2ognl/.settings/.jsdtscope
d:/zipfile/资料/源码/day29_02_struts2ognl/.settings/com.genuitec.eclipse.j2eedt.core.prefs
d:/zipfile/资料/源码/day29_02_struts2ognl/.settings/org.eclipse.jdt.core.prefs
d:/zipfile/资料/源码/day29_02_struts2ognl/.settings/org.eclipse.wst.common.component
d:/zipfile/资料/源码/day29_02_struts2ognl/.settings/org.eclipse.wst.common.project.facet.core.xml
d:/zipfile/资料/源码/day29_02_struts2ognl/.settings/org.eclipse.wst.jsdt.ui.superType.container
d:/zipfile/资料/源码/day29_02_struts2ognl/.settings/org.eclipse.wst.jsdt.ui.superType.name
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/1.jsp
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/2.jsp
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/3.jsp
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/4.jsp
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/5.jsp
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/6.jsp
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/7.jsp
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/META-INF/MANIFEST.MF
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/classes/com/itheima/action/Demo1Action.class
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/classes/com/itheima/action/Demo2Action.class
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/classes/com/itheima/action/Demo3Action.class
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/classes/com/itheima/domain/User.class
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/classes/struts.xml
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/lib/asm-3.3.jar
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/lib/asm-commons-3.3.jar
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/lib/asm-tree-3.3.jar
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/lib/commons-fileupload-1.3.jar
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/lib/commons-io-2.0.1.jar
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/lib/commons-lang3-3.1.jar
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/lib/commons-logging-1.1.3.jar
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/lib/freemarker-2.3.19.jar
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/lib/javassist-3.11.0.GA.jar
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/lib/log4j-1.2.17.jar
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/lib/ognl-3.0.6.jar
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/lib/struts2-core-2.3.15.3.jar
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/lib/xwork-core-2.3.15.3.jar
d:/zipfile/资料/源码/day29_02_struts2ognl/WebRoot/WEB-INF/web.xml
d:/zipfile/资料/源码/day29_02_struts2ognl/src/com/itheima/action/Demo1Action.java
d:/zipfile/资料/源码/day29_02_struts2ognl/src/com/itheima/action/Demo2Action.java
d:/zipfile/资料/源码/day29_02_struts2ognl/src/com/itheima/action/Demo3Action.java
d:/zipfile/资料/源码/day29_02_struts2ognl/src/com/itheima/domain/User.java
d:/zipfile/资料/源码/day29_02_struts2ognl/src/struts.xml
d:/zipfile/资料/课堂笔记.doc
******************解压完毕********************
以上是“Java如何解压zip文件”这篇文章的所有内容，感谢各位的阅读！相信大家都有了一定的了解，希望分享的内容对大家有所帮助，如果还想学习更多知识，欢迎关注创新互联行业资讯频道！
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