java-URLConnection网络数据收取

时间：2023-03-08 17:58:30

通过url创建connection方式收取

import java.io.BufferedReader;

import java.io.ByteArrayOutputStream;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.net.URL;

import java.net.URLConnection;

@SuppressWarnings("all")

public class Test {

    public static void main(String[] args)throws Exception {

        URL url = new  URL("http://192.168.0.215:8080/tsportal/web/system/userOnlineCount");

        URLConnection connection =  url.openConnection();

        connection.setConnectTimeout(20000);

        connection.setReadTimeout(20000);

        connection.setUseCaches(false);

        connection.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.64 Safari/537.11");

        InputStream is = connection.getInputStream();

        InputStreamReader inputStreamReader = new InputStreamReader(is, "utf-8");

        BufferedReader bis = new BufferedReader(inputStreamReader);

        String line = null;

        StringBuffer result = new StringBuffer();

        while ((line = bis.readLine()) != null) {

            result.append(line);

        }

        System.out.println(result.toString());

    }

}

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