java手机壁纸_用java爬取手机壁纸

傷城~ 2023-09-26 14:29 9阅读 0赞

[JFrame][]包，循环爬取图片然后下载图片

public class DownWallpaper extends JFrame implements ActionListener{
              
    
        private JButton down = null;
        
        public DownWallpaper(){
              
            down =  new JButton("下载手机壁纸");
            down.setFont(new Font("微软雅黑",Font.ITALIC,20));
            down.addActionListener(this);
            this.setResizable(false);
            this.add(down);
            this.setTitle("高清壁纸下载");
            this.setSize(250, 150);
            this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            this.setLocationRelativeTo(null);
            this.setVisible(true);
        }
    
        @Override
        public void actionPerformed(ActionEvent e) {
              
           if (e.getSource()==down) {
              
               try {
              
                   JOptionPane.showMessageDialog(this, "正在下载请勿关闭主窗体！");
                   JOptionPane.showMessageDialog(this, "详细信息请查看：https://sj.enterdesk.com/");
                   JOptionPane.showMessageDialog(this, "下载完成后请到：d:/img下查看");
                load("https://sj.enterdesk.com/");
            } catch (Exception e1) {
              
                e1.printStackTrace();
            }
               
           } 
        }
        public static void main(String[] args) {
              
             new DownWallpaper();
        
        }
        
        
        /**
         * 加载链接
         * @param urls
         * @throws Exception
         */
        public static void load(String urls) throws Exception{
              
            Connection connect = Jsoup.connect(urls);
            Document document = connect.get();
            Elements links = document.getElementsByTag("img");
            //循环爬取图片
            for(Element link : links){
              
                String url = link.attr("src");//下载的url
                String endWith = url.substring(url.lastIndexOf("."));//文件后缀名
                String fileName = link.absUrl("alt").substring(link.absUrl("alt").lastIndexOf("/"));//文件名
                download(url,endWith,fileName);
            }
            //获取所有的<li>
            Elements select = document.select("a");
            Elements addClass = select.addClass("next_p");
            for (Element element : addClass) {
              
                if (element.text().equals("下一页")) {
              
                    //获取超链接
                    String attr = element.attr("href");
                    //递归循环下载
                    load(attr);
                }else{
              
                    continue;
                }
                  
            }
           
        }
        
        /**
         * 下载图片
         * @param url
         */
        public static void download(String url,String endWith,String fileName) throws Exception{
              
                File file = new File("d:/img/");
                if (!file.exists()){
              
                    file.mkdir();
                }else{
              
                    file.delete();
                    file.mkdir();
                }
                URL url2 = new URL(url);
                InputStream is = url2.openConnection().getInputStream();
                BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file.getPath()+fileName+endWith));
                byte[] bs = new byte[2048*2048];
                while((is.read(bs))!=-1){
              
                    bos.write(bs);
                }
                bos.flush();
               if(is != null) is.close();
               if(bos != null) bos.close();
        }
    
    
    }

注意目录

注意地址

注意导入java包，用java爬取手机壁纸完成。

[JFrame]: https://blog.51cto.com/u_11208931