使用HttpURLConnection获取网页内容
来源：互联网 发布：数据上报系统 编辑：程序博客网 时间：2024/06/05 20:16
package cn.itcast.net;import java.io.ByteArrayOutputStream;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.URL;public class HtmlRequest {/** * @param args */public static void main(String[] args) throws Exception {URL url = new URL("http://www.sohu.com/");HttpURLConnection conn = (HttpURLConnection)url.openConnection();conn.setRequestMethod("GET");conn.setConnectTimeout(5 * 1000);InputStream inStream = conn.getInputStream();//通过输入流获取html数据byte[] data = readInputStream(inStream);//得到html的二进制数据String html = new String(data);System.out.println(html);}public static byte[] readInputStream(InputStream inStream) throws Exception{ByteArrayOutputStream outStream = new ByteArrayOutputStream();byte[] buffer = new byte[1024];int len = 0;while( (len=inStream.read(buffer)) != -1 ){outStream.write(buffer, 0, len);}inStream.close();return outStream.toByteArray();}}
