java获取页面数据信息

 

 

@RestController
public class ReadSource {

    @Autowired
    private PneumoniaController pneumoniaController;

    @RequestMapping(value="ReadSource"
    public void read()  {
        URL url;
        int responsecode;
        HttpURLConnection urlConnection;
        BufferedReader reader;
        String line;
        try {
            url = new URL("/*网页地址

*/");

            urlConnection = (HttpURLConnection) url.openConnection();
            responsecode = urlConnection.getResponseCode();
            if (responsecode == 200) {
                reader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream(), "UTF-8"));
                while ((line = reader.readLine()) != null) {


/*查看页面的里的数据,根据不同的情况去判断数据应该怎么获取*/

                }
            } else {
                System.out.println("获取不到网页的源码,服务器响应代码为:" + responsecode);
            }
        } catch (Exception e) {
        e.printStackTrace();

 

 

     }
    }


}
 


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