Java Examples - Analysis URL
The following example demonstrates how to use net.URL class url.getProtocol (), url.getFile () and other methods to resolve the URL address:
/* author by w3cschool.cc Main.java */ import java.net.URL; public class Main { public static void main(String[] args) throws Exception { URL url = new URL("../../www.w3cschool.cc/html/html-tutorial.html"); System.out.println("URL 是 " + url.toString()); System.out.println("协议是 " + url.getProtocol()); System.out.println("文件名是 " + url.getFile()); System.out.println("主机是 " + url.getHost()); System.out.println("路径是 " + url.getPath()); System.out.println("端口号是 " + url.getPort()); System.out.println("默认端口号是 " + url.getDefaultPort()); } }
The above code is run output is:
URL 是 http://www.w3cschool.cc/html/html-tutorial.html 协议是 http 文件名是 /html/html-tutorial.html 主机是 www.w3cschool.cc 路径是 /html/html-tutorial.html 端口号是 -1 默认端口号是 80