Java 图片转二进制及生成图片

import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;public class Image2Binary{public static void main(String[] args){String path = "V:/test.bmp";File file = new File(path);FileInputStream fis;try{fis = new FileInputStream(file);byte[] b;b = new byte[fis.available()];StringBuilder str = new StringBuilder();// 不建议用Stringfis.read(b);for (byte bs : b){str.append(Integer.toBinaryString(bs));// 转换为二进制}System.out.println(str);File apple = new File("V:/test2.bmp");// 把字节数组的图片写到另一个地方FileOutputStream fos = new FileOutputStream(apple);fos.write(b);fos.flush();fos.close();}catch (FileNotFoundException e){e.printStackTrace();}catch (IOException e){e.printStackTrace();}}}