Java将图片转为Base64

图片转为Base64"/>

Java将图片转为Base64

Java将图片转为Base64

import net.coobird.thumbnailator.Thumbnails;
import org.apache.commons.codec.binary.Base64;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.*;/*** 文件BufferedImage类型转BASE64** @param bufferedImage* @return*/public static String imageToBase64(BufferedImage bufferedImage) {ByteArrayOutputStream baos = new ByteArrayOutputStream();//io流try {ImageIO.write(bufferedImage, "png", baos);//写入流中} catch (IOException e) {e.printStackTrace();}byte[] bytes = baos.toByteArray();//转换成字节BASE64Encoder encoder = new BASE64Encoder();String png_base64 = encoder.encodeBuffer(bytes).trim();//转换成base64串png_base64 = png_base64.replaceAll("\n", "").replaceAll("\r", "");//删除 \r\nreturn "data:image/png;base64," + png_base64;}/*** 文件File类型转BASE64** @param file* @return*/public static String fileToBase64(File file) {return "data:image/png;base64," + Base64.encodeBase64String(fileToByte(file));}/*** 文件File类型转byte[]** @param file* @return*/private static byte[] fileToByte(File file) {byte[] fileBytes = null;FileInputStream fis = null;try {fis = new FileInputStream(file);fileBytes = new byte[(int) file.length()];fis.read(fileBytes);fis.close();} catch (Exception e) {e.printStackTrace();}return fileBytes;}