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java批量将gbk的乱码文件转换到utf8

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package com.iteye.niewj.util;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;

/**
 * 将gbk的代码放到srcDir之下,转码置destDir之下,暂不支持srcDir之下有目录,有需要再添加
 * @author niewj
 * @2012-6-1
 */
public class UTF8Parser {

    /**
     * @author niewj
     * @since 2012-6-1 
     */
    static File srcDir = new File("D:/prj/java/niewj_oy/eclipse_swt_src/src/swt/");
    static File  destDir= new File("D:/prj/java/niewj_oy/eclipse_swt_src/src/swt_cp/");

    public static void main(String[] args) {
        //1.判断是目录
        if(!srcDir.isDirectory()){
            return;
        }
        //2.遍历所有目录
        File[] fs = srcDir.listFiles();

        //创建目标目录
        if(!destDir.exists()){
            destDir.mkdirs();
        }

        try {
            new UTF8Parser().parse(fs);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    /**
     * 目录就迭代遍历;文件就重编码
     * @author niewj
     * @since 2012-6-1 
     */
    private void parse(File[] fs) throws IOException {
        for(File file:fs){
            if(!file.isDirectory()){
                File destFile = new File(destDir,file.getName());
                parse2UTF_8(file,destFile);
            }else{
                parse(file.listFiles());
            }
        }
    }

    /**
     * @author niewj
     * @since 2012-6-1 
     */
    private void parse2UTF_8(File file,File destFile) throws IOException {
        StringBuffer msg = new StringBuffer();
        //读写对象
        PrintWriter ps = new PrintWriter(new OutputStreamWriter(new FileOutputStream(destFile,false),"utf8"));
        BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file),"gbk"));

        //读写动作
        String line = br.readLine();
        while(line!=null){
            msg.append(line).append("\r\n");
            line = br.readLine();
        }
        ps.write(msg.toString());
        br.close();
        ps.flush();
        ps.close();
    }

}

标签:gbk,utf-8,java

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