java读取网页内容

package com.linxinxin.tools;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.FileWriter;import java.io.IOException;import java.io.InputStreamReader;import java.net.MalformedURLException;import java.net.URL;public class CrawlerUtil {    public static void main(String[] a){        try {            URL url=new URL("http://www.baidu.com");            BufferedReader reader=new BufferedReader(new InputStreamReader(url.openStream()));            BufferedWriter writer=new BufferedWriter(new FileWriter("index.html"));            String line;            while((line=reader.readLine())!=null){                System.out.println(line);                writer.write(line);                writer.newLine();            }            reader.close();            writer.close();        } catch (MalformedURLException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }    }}

来源：https://www.cnblogs.com/itzyz/p/12241999.html