Java对图片Base64编码

package base64;

import java.awt.image.BufferedImage;

import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.RandomAccessFile;

import java.util.Scanner;

import javax.imageio.ImageIO;

import sun.misc.BASE64Decoder;

import sun.misc.BASE64Encoder;

public class imageToBase64 {

static BASE64Encoder encoder = new sun.misc.BASE64Encoder();

static BASE64Decoder decoder = new sun.misc.BASE64Decoder();

public static void main(String[] args) {

Scanner scanner = new Scanner(System.in) ;

System.out.printf("tt*********************************************n");

System.out.printf("tt** 欢迎使用W_Jp的Base64编码 **n");

System.out.printf("tt*********************************************n");

System.out.printf("输入图片地址：");

String path = scanner.next() ;

if(!getImageBinary(path).equals(""))

{

System.out.printf("n" + getImageBinary(path) + "nn");

System.out.printf("是否导出内容？(Y/N):");

String boo = scanner.next() ;

if(boo.equals("Y") || boo.equals("y")){

System.out.println();

System.out.printf("tt*********************************************n");

System.out.printf("tt** 1.导出现Base64编码到TXT文档 **n");

System.out.printf("tt** 2.导出Base64解码后的png图片 **n");

System.out.printf("tt** 3.同时操作以上两个 **n");

System.out.printf("tt*********************************************n");

System.out.printf("输入您的选择：");

boo = scanner.next() ;

if(boo.equals("1")){

System.out.println();

System.out.printf("tt*********************************************n");

System.out.printf("tt** 温馨提示:导出后文件名为wjp.txt **n");

System.out.printf("tt*********************************************n");

System.out.printf("输入Base64编码的导出地址：");

String toTxtPath = scanner.next() ;

if(base64StringToTxt(getImageBinary(path), toTxtPath).equals("success")){

System.out.println();

System.out.printf("tt*********************************************n");

System.out.printf("tt** 导出成功 **n");

System.out.printf("tt*********************************************n");

System.out.printf("tt** Thanks!!! **n");

System.out.printf("tt↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑n");

}

} else if(boo.equals("2")){

System.out.println();

System.out.printf("tt*********************************************n");

System.out.printf("tt** 温馨提示:导出后文件名为wjp.png **n");

System.out.printf("tt*********************************************n");

System.out.printf("输入解码后图片的导出地址：");

String toImgPath = scanner.next() ;

if(base64StringToImage(getImageBinary(path), toImgPath).equals("success")){

System.out.println();

System.out.printf("tt*********************************************n");

System.out.printf("tt** 导出成功 **n");

System.out.printf("tt*********************************************n");

System.out.printf("tt** Thanks!!! **n");

System.out.printf("tt↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑n");

}

} else if(boo.equals("3")){

System.out.println();

System.out.printf("tt*********************************************n");

System.out.printf("tt** 温馨提示:导出后文件名为wjp.txt/wjp.png **n");

System.out.printf("tt*********************************************n");

System.out.printf("输入导出地址(两个文件都会在这个目录下)：");

String toBothPath = scanner.next() ;

base64StringToImage(getImageBinary(path), toBothPath);

if(base64StringToTxt(getImageBinary(path), toBothPath).equals("success")){

System.out.println();

System.out.printf("tt*********************************************n");

System.out.printf("tt** 导出成功 **n");

System.out.printf("tt*********************************************n");

System.out.printf("tt** Thanks!!! **n");

System.out.printf("tt↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑n");

}

} else {

System.out.println();

System.out.printf("tt*********************************************n");

System.out.printf("tt** 您输入的编号无效!!! 程序意外退出了!!! **n");

System.out.printf("tt*********************************************n");

System.out.printf("tt** Thanks!!! **n");

System.out.printf("tt↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑n");

}

} else {

System.out.println();

System.out.printf("tt*********************************************n");

System.out.printf("tt** Thanks!!! **n");

System.out.printf("tt↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑n");

}

}

}

static String getImageBinary(String path){

File f = new File(path);

BufferedImage bi;

try {

bi = ImageIO.read(f);

ByteArrayOutputStream baos = new ByteArrayOutputStream();

ImageIO.write(bi, "jpg