java unrar 乱码_JAVA使用 java-unrar-0.3.jar 解压rar，并且解决中文乱码

需要引入java-unrar-0.3.jar和 commons-logging-1.1.1.jar

package com.example.testapp;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import android.util.Log;

import de.innosystec.unrar.Archive;

import de.innosystec.unrar.exception.RarException;

import de.innosystec.unrar.rarfile.FileHeader;

public class RARUtil {

private static final String TAG = "RARUtil";

public static void unrar(String srcPath,String unrarPath) throws RarException, IOException, Exception{

File srcFile = new File(srcPath);

if(null == unrarPath || "".equals(unrarPath)){

unrarPath = srcFile.getParentFile().getPath();

}

// 保证文件夹路径最后是"/"或者"\"

char lastChar = unrarPath.charAt(unrarPath.length() - 1);

if (lastChar != '/' && lastChar != '\\') {

unrarPath += File.separator;

}

Log.d(TAG,"unrar file to :"+unrarPath);

unrar(srcFile, unrarPath);

}

private static void unrar(File srcFile,String unrarPath) throws RarException, IOException, Exception{

FileOutputStream fileOut = null;

Archive rarfile = null;

try{

rarfile = new Archive(srcFile);

FileHeader fh = rarfile.nextFileHeader();

while(fh!=null){

String entrypath = "";

if(fh.isUnicode()){//解決中文乱码

entrypath = fh.getFileNameW().trim();

}else{

entrypath = fh.getFileNameString().trim();

}

entrypath = entrypath.replaceAll("\\\\", "/");

File file = new File(unrarPath + entrypath);

Log.d(TAG,"unrar entry file :"+file.getPath());

if(fh.isDirectory()){

file.mkdirs();

}else{

File parent = file.getParentFile();

if(parent!=null && !parent.exists()){

parent.mkdirs();

}

fileOut = new FileOutputStream(file);

rarfile.extractFile(fh, fileOut);

fileOut.close();

}

fh = rarfile.nextFileHeader();

}

rarfile.close();

} catch (Exception e) {

throw e;

} finally {

if (fileOut != null) {

try {

fileOut.close();

fileOut = null;

} catch (Exception e) {

e.printStackTrace();

}

}

if (rarfile != null) {

try {

rarfile.close();

rarfile = null;

} catch (Exception e) {

e.printStackTrace();

}

}

}

}

}