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public static void main(String[] args) throws MalformedURLException {
           String path = "https://profile.csdnimg.cn/3/6/4/1_qq_43923045";        String path2 = "F:\\妹子1\\testJava\\SpiderJava\\src\\main\\resources\\txt\\blog.csdn.net\\b.jpg";        URL url = new URL(path);        try {
               ImageIO.write(ImageIO.read(url),"png",new File(path2));        } catch (IOException e) {
               e.printStackTrace();        }    }