URL以及URLConnection對象

標籤：

java中既然對ip地址都進行了對象的封裝，那必須對URL對象進行封裝

 

import java.io.InputStream;import java.net.URL;import java.net.URLConnection;public class URLDemo {    public static void main(String[] args) throws Exception {                //解析url中的資料，使用URL對象        String str_url = "http://192.168.17.1:8080/myapp/font.html?name=lisi";                URL url = new URL(str_url);//        System.out.println("getProtocol:"+url.getProtocol());//        System.out.println("getHost:"+url.getHost());//        System.out.println("getPort:"+url.getPort());//        System.out.println("getPath:"+url.getPath());//        System.out.println("getFile:"+url.getFile());//        System.out.println("getQuery:"+url.getQuery());                //通過openConnection();擷取到遠端資源的連線物件        URLConnection conn = url.openConnection();//內建Socket        System.out.println(conn);                //調用連線物件的讀取方法，準備讀取資源        InputStream in = conn.getInputStream();        byte[] buf = new byte[1024];        int len = in.read(buf);        String str = new String(buf,0,len);        System.out.println(str);            }}

 

URL以及URLConnection對象