java抓取网页代码

import java.io.BufferedReader; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; public class Main { private String u; private String encoding; public static void main(String[] args) throws Exception { Main client = new Main("http://www.baidu.com/", "UTF⑻"); client.run(); } public Main(String u, String encoding) { this.u = u; this.encoding = encoding; } public void run() throws Exception { URL url = new URL(u);// 根据链接（字符串格式），生成1个URL对象 HttpURLConnection urlConnection = (HttpURLConnection) url .openConnection();// 打开URL BufferedReader reader = new BufferedReader(new InputStreamReader( urlConnection.getInputStream(), encoding));// 得到输入流，即取得了网页的内容 String line; // 读取输入流的数据，并显示 while ((line = reader.readLine()) != null) { System.out.println(line); } } }