io
图片读取写入
BufferedImage input = ImageIO.read(new FileInputStream("E:\\tools\\o_1cvpbkigcqorfh91n6e153ll5p1i.jpg"));//读取图片
File f = new File("E:\\Download\\33.jpg");//输出到
OutputStream out = new FileOutputStream(f);
ImageIO.write(input,"jpg",out);//写入图片