URLDemo

package com.tz.util.screen;

import java.net.URL;

public class URLDemo {
 public static void main(String[] args) throws Exception {
  URL url=new URL("hskd");
  url.getProtocol();//协议
  url.getHost();//主机名
  url.getPort();//端口号
  url.getPath();//路径
  url.getFile();//文件名
  url.getQuery();//查询部
  int port=url.getPort();
 }

}

 

package com.tz.util.screen;

import java.io.InputStream;
import java.net.URL;

public class URLConnection {
 public static void main(String[] args) throws Exception {
  URL url=new URL("hskd");
  java.net.URLConnection cn=url.openConnection();
  InputStream in=cn.getInputStream();
  byte[] buf=new byte[1024];
  int len=in.read(buf);
  new String(buf,0,len);
 }

}