一个简单的servlet实现

playingfly

SimpleHello.java

import javax.servlet.ServletException;
import java.io.*;
import javax.servlet.http.*;
public class SimpleHello extends HttpServlet
{
    public void doGet (HttpServletRequest req, HttpServletResponse resp)
    throws ServletException ,IOException
    {
        PrintWriter out =resp.getWriter();
        out.println("Hello world !");
        out.close();
    }
}


web.xml
?xml version="1.0" encoding="ISO-8859-1"?>
web-app xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
    version="2.4">
   
    servlet>
        servlet-name>helloworld/servlet-name>
        servlet-class>SimpleHello/servlet-class>
    /servlet>
   
        
    servlet-mapping>
        servlet-name>helloworld/servlet-name>
        url-pattern>/hello/url-pattern>
    /servlet-mapping>
   
/web-app>
   


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