Java将图片作为二进制进行保存和读取

package com.suncn.common.util;

import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;

import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

public class ImageBinary {

static BASE64Encoder encoder = new sun.misc.BASE64Encoder();
static BASE64Decoder decoder = new sun.misc.BASE64Decoder();

public static void main(String[] args) {
// System.out.println(getImageBinary(""));

//base64StringToImage(getImageBinary(""));
}

public static String getImageBinary(String Imgpath){
File f = new File(Imgpath);
BufferedImage bi;
try {
bi = ImageIO.read(f);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImageIO.write(bi, "jpg", baos);
byte[] bytes = baos.toByteArray();
return encoder.encodeBuffer(bytes).trim();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}

public static void base64StringToImage(String savePath,String base64String){
try {
byte[] bytes1 = decoder.decodeBuffer(base64String);

ByteArrayInputStream bais = new ByteArrayInputStream(bytes1);
BufferedImage bi1 =ImageIO.read(bais);

File w2 = new File(savePath);//可以是jpg,png,gif格式

ImageIO.write(bi1, "jpg", w2);//不管输出什么格式图片，此处不需改动
} catch (IOException e) {
e.printStackTrace();
}
}
}