直接上图，不废话！！！

第一：首先在Eclipse的包资源管理器中，单机鼠标右键，在弹出的快捷键菜单中选择“新建”/Servlet命令，在弹出的对话框中输入新建的Servlet所在的包和类名，然后单击下一步，

 

我选择默认，Next

 

依旧默认，Next

注意事项，在创建web的工程的时候需要注意的是如下图，选择上web.xml这个按钮，因为Servlet需要配置一下web.xml这个文件，web.xml在web-inf这个文件下面

上图第二个箭头前面有个方括号，勾选上就可以自动创建好web.xml这个文件了。

 

1 package com.ningmeng; 2  3 import java.io.IOException; 4 import java.io.PrintWriter; 5  6 import javax.servlet.ServletException; 7 import javax.servlet.annotation.WebServlet; 8 import javax.servlet.http.HttpServlet; 9 import javax.servlet.http.HttpServletRequest;10 import javax.servlet.http.HttpServletResponse;11 12 /**13  * Servlet implementation class FirstServlet14  */15 @WebServlet("/FirstServlet")16 public class FirstServlet extends HttpServlet {17     private static final long serialVersionUID = 1L;18        19     /**20      * @see HttpServlet#HttpServlet()21      */22     public FirstServlet() {23         super();24         // TODO Auto-generated constructor stub25     }26 27     /**28      * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)29      */30     protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {31         // TODO Auto-generated method stub32         response.setContentType("text/html");33         response.setCharacterEncoding("GBK");34         PrintWriter out=response.getWriter();35         out.print("");36         out.println("");37         out.println("");38         out.println("servlet实例");39         out.println(this.getClass());40         out.println("");41         out.println("");42         out.flush();43         out.close();44         response.getWriter().append("Served at: ").append(request.getContextPath());45     }46 47     /**48      * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)49      */50     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {51         // TODO Auto-generated method stub52         doGet(request, response);53     }54 55 }

 

1 
      2 
     
       3   
      
       web02
       4   
      
        5     
       
        index.html
        6     
       
        index.htm
        7     
       
        index.jsp
        8     
       
        default.html
        9     
       
        default.htm
       10     
       
        default.jsp
       11   
      12   
      
       13       
       14       
       
        FirstServlet
       15       
       16       
       
        com.ningmeng.FirstServlet
       17       
       18   
      19   
      
       20       
       21       
       
        FirstServlet
       22       
       23       
       
        /FirsetServlet
       24       
       25   
      26 
     

运行效果如下图所示