wlyy2.0/business/base-service/src/main/java/com/yihu/jw/utils/ImageConvertUtil.java

package com.yihu.jw.utils;

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

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

/**
 * @ClassName ImageConvertUtil
 * @Description TODO
 * @Author heqian
 * @Date 2019/5/16 17:05
 * @Version 1.0
 */
public class ImageConvertUtil {

    static BASE64Encoder encoder = new BASE64Encoder();
    static BASE64Decoder decoder = new BASE64Decoder();
    static String upload_home = System.getProperty("catalina.home")+"resources/repository/";

    public static void main(String[] args) {
        String str = getImageBinary("C://Users//Administrator//Desktop//医生信息//陈兰//资格证.jpg");
        System.out.println(str);
    }

    public static String getImageBinary(){
        File f = new File("d://123.jpg");
        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 String getImageBinary(String path){
        File f = new File(path);
        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 base64String, String fileName){
        try {
            byte[] bytes1 = decoder.decodeBuffer(base64String);

            ByteArrayInputStream bais = new ByteArrayInputStream(bytes1);
            BufferedImage bi1 =ImageIO.read(bais);
            File w2 = new File(upload_home + fileName);//鍙互鏄痡pg,png,gif鏍煎紡
            ImageIO.write(bi1, "jpg", w2);//涓嶇杈撳嚭浠�涔堟牸寮忓浘鐗囷紝姝ゅ涓嶉渶鏀瑰姩
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}