Servlet（练习1） 

 1 <%@ page language="java" contentType="text/html; charset=UTF-8"
 2     pageEncoding="UTF-8"%>
 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 4 <html>
 5 <head>
 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 7 <title>Insert title here</title>
 8 </head>
 9 <body>
10 
11 <form action="TestServlet" method="post">
12 用户名<input type="text" name="name">
13 密码<input type="password" name="password1">
14 确认密码<input type="password" name="password2">
15 <input type="submit" value="提交">
16 </form>
17 </body>
18 </html>
 1 package hanqi;
 2 import java.io.IOException;
 3 import javax.servlet.ServletException;
 4 import javax.servlet.http.HttpServlet;
 5 import javax.servlet.http.HttpServletRequest;
 6 import javax.servlet.http.HttpServletResponse;
 7 
 8 public class TestServlet extends HttpServlet
 9 {
10     private static final long serialVersionUID = 1L;
11     public TestServlet() 
12     {
13         super();
14     }
15     protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
16     {        
17         response.setContentType("text/html");
18         response.setCharacterEncoding("UTF-8");
19         
20         String a=request.getParameter("name");
21         String b=request.getParameter("password1");
22         String c=request.getParameter("password2");
23         if(a!=null&&b!=null)
24         {
25             if(a!=""&&b!="")
26             {
27         if(b.equals(c))
28         {
29             response.getWriter().write("注册成功");
30         }
31         else
32         {
33             response.getWriter().write("注册失败，两次密码不正确");
34         }
35             }
36             else
37             {
38                 response.getWriter().write("账户密码不能为空");
39             }
40         }
41         
42         else
43         {
44             response.getWriter().write("账户密码不能为空");
45         }
46     }
47     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
48     {    
49         doGet(request, response);
50     }
51 
52 }

题目：使用Servlet实现用户注册功能

posted @ 2016-07-01 21:20  明天会更好！！！！  阅读(140)  评论(0)    收藏  举报