servlet HelloWorld程序

HelloWorld.java
Java代码 复制代码

  1.   
  2. import java.io.*;   
  3. import javax.servlet.*;   
  4. import javax.servlet.http.*;   
  5.   
  6. public class HelloWorld extends HttpServlet {   
  7.   
  8.     public void doGet(HttpServletRequest request, HttpServletResponse response)   
  9.     throws IOException, ServletException   
  10.      {   
  11.          response.setContentType("text/html");   
  12.          PrintWriter out = response.getWriter();   
  13.          out.println("<html>");   
  14.          out.println("<head>");   
  15.          out.println("<title>Hello World!</title>");   
  16.          out.println("</head>");   
  17.          out.println("<body>");   
  18.          out.println("<h1>Hello World!</h1>");   
  19.          out.println("</body>");   
  20.          out.println("</html>");   
  21.      }   
  22. }   

import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public class HelloWorld extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<head>"); out.println("<title>Hello World!</title>"); out.println("</head>"); out.println("<body>"); out.println("<h1>Hello World!</h1>"); out.println("</body>"); out.println("</html>"); } }



web.xml
Xml代码 复制代码

    1. <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN" "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">  
    2. <web-app>  
    3.     <display-name>Servlet HelloWorld</display-name>   
    4.     <description>   
    5.        Servlet HelloWorld   
    6.     </description>   
    7.   <servlet>   
    8.     <servlet-name>HelloWorld</servlet-name>   
    9.     <servlet-class>HelloWorld</servlet-class>   
    10.   </servlet>   
    11.   <servlet-mapping>   
    12.     <servlet-name>HelloWorld</servlet-name>   
    13.     <url-pattern>/HelloWorld</url-pattern>   
    14.   </servlet-mapping>   
    15. </web-app> 
posted @ 2013-06-06 08:47  天涯海角路  阅读(195)  评论(0)    收藏  举报