UTF-8转GBK--->小试

 package com.itheima.exam1.io;

import java.io.*;

public class InputStreamReaderDemo

{

    /**

     * @throws IOException

     * @param args

     * @throws

     */

    public static void main(String[] args) throws IOException

    {     //读取一个UTF_8的文件

        InputStreamReader in = new InputStreamReader(new FileInputStream(

                "D:\\2.txt"), "UTF-8");

            //以GBK存储文件

        OutputStreamWriter buffw = new OutputStreamWriter(new FileOutputStream(

                "D:\\5.txt"), "gbk");

        char[] buf = new char[1024];

        int len = 0;

        while ((len = in.read(buf)) != -1)

        {

            buffw.write(buf,0,len);

            buffw.flush();

        }

        in.close();

        buffw.close();

    }

}