JSON 전송 이미지 도움말 클래스

package org.helper;

import java.io.FileInputStream;
import java.io.IOException;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
/**
 * Description：            ，        JSON    
 * @author   
 * @Date 2014-05-27
 * @version 1.0
 * */
public class ImgHelper {
    
    /**
     * TODO: byte   Base64        
     * @param bytes     byte  
     * @return        
     * */
    public static String encode(byte[] bytes){
        return new BASE64Encoder().encode(bytes);
    }
    
    /**
     * TODO:  Base64           byte  
     * @param encodeStr        
     * @return     byte  
     * @throws IOException 
     * */
    public static byte[] decode(String encodeStr) throws IOException{
        byte[] bt = null;  
        BASE64Decoder decoder = new BASE64Decoder();  
        bt = decoder.decodeBuffer(encodeStr);
        return bt;
    }
    
    /**
     * TODO:   byte       ，      Byte  
     * @param front          
     * @param after          
     * @return       
     * */
    public static byte[] connectBytes(byte[] front, byte[] after){
        byte[] result = new byte[front.length + after.length];
        System.arraycopy(front, 0, result, 0, after.length);
        System.arraycopy(after, 0, result, front.length, after.length);
        return result;
    }
    
    /**
     * TODO:    Base64        
     * @param imgUrl        （  ：D:\\jsontest\\abc.jpg）
     * @return        
     * @throws IOException 
     * */
    public static String encodeImage(String imgUrl) throws IOException{
        FileInputStream fis = new FileInputStream(imgUrl);
        byte[] rs = new byte[fis.available()];
        fis.read(rs);
        fis.close();
        return encode(rs);
    }
    
    /**
     * @param args
     */
    public static void main(String[] args) {
        String str;
        try {
            str = encodeImage("E:\\yunifang_img\\1.jpg");
            System.out.println(str);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}