1 package com.jsn.web.servlet;
2
3 import java.io.IOException;
4
5 import javax.servlet.Servlet;
6 import javax.servlet.ServletConfig;
7 import javax.servlet.ServletException;
8 import javax.servlet.ServletRequest;
9 import javax.servlet.ServletResponse;
10
11 public class HelloServlet implements Servlet {
12
13 @Override
14 public void destroy() {
15 // TODO Auto-generated method stub
16 System.out.println("hello");
17 }
18
19 @Override
20 public ServletConfig getServletConfig() {
21 // TODO Auto-generated method stub
22 return null;
23 }
24
25 @Override
26 public String getServletInfo() {
27 // TODO Auto-generated method stub
28 return null;
29 }
30
31 @Override
32 public void init(ServletConfig arg0) throws ServletException {
33 // TODO Auto-generated method stub
34 System.out.println("hello init");
35 }
36
37 @Override
38 public void service(ServletRequest arg0, ServletResponse response) throws ServletException, IOException {
39 // TODO Auto-generated method stub
40 response.getWriter().write("hello service response");
41 }
42
43 }
1 <?xml version="1.0" encoding="UTF-8"?>
2 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
3 <display-name>dyweb</display-name>
4
5 <servlet>
6 <servlet-name>HelloServlet</servlet-name>
7 <servlet-class>com.jsn.web.servlet.HelloServlet</servlet-class>
8
9
10
11 </servlet>
12 <servlet-mapping>
13 <servlet-name>HelloServlet</servlet-name>
14 <url-pattern>/hellworld</url-pattern>
15
16 </servlet-mapping>
17 <welcome-file-list>
18 <welcome-file>index.html</welcome-file>
19 <welcome-file>index.htm</welcome-file>
20 <welcome-file>index.jsp</welcome-file>
21 <welcome-file>default.html</welcome-file>
22 <welcome-file>default.htm</welcome-file>
23 <welcome-file>default.jsp</welcome-file>
24 </welcome-file-list>
25 </web-app>
web.xml
package com.jsn.web.servlet;