JavaWeb学习笔记——开发动态WEB资源（三）显示当前时间

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该工程的功能是实现在页面中显示当前的时间

以下的代码是HelloServlet.java中的代码

package helloapp2;

import java.io.IOException;

import java.io.PrintWriter;

import java.util.Date;

import javax.servlet.GenericServlet;

import javax.servlet.ServletException;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

public class HelloServlet extends GenericServlet {

	@Override

	public void service(ServletRequest arg0, ServletResponse arg1)

			throws ServletException, IOException {

		// TODO Auto-generated method stub

		PrintWriter pw = arg1.getWriter();

		pw.println("Hello");

		pw.println(new Date().toLocaleString());

		pw.close();

	}

}

以下的代码是web.xml中的代码

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">

  <display-name>helloapp2</display-name>

  <welcome-file-list>

    <welcome-file>index.html</welcome-file>

    <welcome-file>index.htm</welcome-file>

    <welcome-file>index.jsp</welcome-file>

    <welcome-file>default.html</welcome-file>

    <welcome-file>default.htm</welcome-file>

    <welcome-file>default.jsp</welcome-file>

  </welcome-file-list>

  	<servlet>

  		<servlet-name>Hello</servlet-name>

  		<servlet-class>helloapp2.HelloServlet</servlet-class>

  	</servlet>

  	<servlet-mapping>

  		<servlet-name>Hello</servlet-name>

  		<url-pattern>/Hello</url-pattern>

  	</servlet-mapping>

</web-app>