日期:2014-05-20 浏览次数:20685 次
package com.wsw.j2se.url;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
/**
* 通过网站域名URL获取该网站的源码
* @author Administrator
*
*/
public class HtmlRequest {
/**
* @param args
* @throws MalformedURLException
*/
public static void main(String[] args) throws Exception {
URL url = new URL("http://dota2.dl.wanmei.com/dota2/patch/night_stalker_basic.flv");
String urlsource = getURLSource(url);
System.out.println(urlsource);
}
/**
* 通过网站域名URL获取该网站的源码
* @param url
* @return String
* @throws Exception
*/
public static String getURLSource(URL url) throws Exception {
HttpURLConnection conn = (HttpURLConnection)url.openConnection();
conn.setRequestMethod("GET");
conn.setConnectTimeout(5 * 1000);
InputStream inStream = conn.getInputStream(); //通过输入流获取html二进制数据
byte[] data = readInputStream(inStream); //把二进制数据转化为byte字节数据
String htmlSource = new String(data);
return htmlSource;
}
/**
* 把二进制流转化为byte字节数组
* @param instream
* @return byte[]
* @throws Exception
*/
public static byte[] readInputStream(InputStream instream) throws Exception {
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
byte[] buffer = new byte[1204];
int len = 0;
while ((len = instream.read(buffer)) != -1){
outStream.write(buffer,0,len);
}
instream.close();
return outStream.toByteArray();
}
}