java乱码相关-转

package test2;

import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.*;

import javax.swing.*;

public class test2 {

    public static void main(String[] args) throws UnsupportedEncodingException {
        System.out.println("中文");//1
        
        System.out.println("中文".getBytes());//2

        System.out.println("中文".getBytes("GB2312"));//3

        System.out.println("中文".getBytes("ISO8859_1"));//4
        

        System.out.println(new String("中文".getBytes()));//5

        System.out.println(new String("中文".getBytes(),"GB2312"));//6

        System.out.println(new String("中文".getBytes(),"ISO8859_1"));//7

        System.out.println(new String("中文".getBytes("GB2312")));//8

        System.out.println(new String("中文".getBytes("GB2312"),"GB2312"));//9
        

        System.out.println(new String("中文".getBytes("GB2312"),"ISO8859_1"));//10

        System.out.println(new String("中文".getBytes("ISO8859_1")));//11

        System.out.println(new String("中文".getBytes("ISO8859_1"),"utf-8"));//12

        System.out.println(new String("中文发送短信".getBytes("ISO8859_1"),"utf-8"));//13
        
        //编码与解码
        String cont=URLEncoder.encode(new String("本书  33335  Je t'aime  "), "utf-8");
        
        System.out.println("0："+cont);      
        System.out.println("0："+URLEncoder.encode(new String("本书  33335 Je t'aime  "), "gbk"));  
        System.out.println("0："+URLEncoder.encode(new String("本书 33335 Je t'aime  "), "gb2312"));  
        System.out.println("0："+URLEncoder.encode(new String("本书  33335 Je t'aime  "), "unicode"));  
        
        String after=URLDecoder.decode(cont, "utf-8");
        System.out.println("1："+after);
    }

}