将编码为GBK的Java源文件批量转为UTF-8

转自 http://my.oschina.net/binny/blog/62959

import java.util.*;
import java.io.File;
import org.apache.commons.io.FileUtils;




/**
 * 将GBK编码文件转成UTF-8
 * @author 
 *
 */
public class GBK2UTF8 {
	
	public static void main(String[] args) throws Exception {
	    //GBK编码格式源码路径
	    String srcDirPath = "E:\\JavaProject\\touchfuture_test\\src";
	    //转为UTF-8编码格式源码路径
	    String utf8DirPath = "E:\\UTF8\\src";
	         
	    //获取所有java文件
	    Collection<File> javaGbkFileCol =  FileUtils.listFiles(new File(srcDirPath), new String[]{"java"}, true);
	    for (File javaGbkFile : javaGbkFileCol) {
	    //UTF8格式文件路径
	    String utf8FilePath = utf8DirPath+javaGbkFile.getAbsolutePath().substring(srcDirPath.length());
	    //使用GBK读取数据，然后用UTF-8写入数据
	    FileUtils.writeLines(new File(utf8FilePath), "UTF-8", FileUtils.readLines(javaGbkFile, "GBK"));     
	    }
	}
}