JavaWeb 小试牛刀（二）

这里写图片描述

 1 <body>
 2 <center>
 3 <img alt="myimg" src="fruit3.jpg"></img>
 4  <form method="post" action="servlet/first">
 5 <table>
 6 <tr>
 7 <td>用户名：</td>
 8 <td><input type="text" name="username"></td>
 9 </tr>
10 
11 <tr>
12 <td>密码：</td>
13 <td><input type="password" name="password"></td>
14 </tr>
15 
16 
17 <tr>
18 <td><input type="submit" value="提交" name="submit"></td>
19 </tr>
20 </table>
21 </form> 
22 </center>
23 </body>
24 <body>
25 <center>
26 <h1>恭喜你登录成功！</h1>
27 <jsp:useBean id="userbean" class="entity.users" scope="session"></jsp:useBean>
28 
29 <form method="post" >
30 <table>
31 <tr>
32 <td>用户名：</td>
33 <td><jsp:getProperty name="userbean" property="username"></jsp:getProperty></td>
34 </tr>
35 
36 <tr>
37 <td>密码：</td>
38 <td><jsp:getProperty name="userbean" property="password"></jsp:getProperty></td>
39 </tr>
40 
41 <tr>
42 <td></td>
43 </tr>
44 </table>
45 </form>
46 </center>
47 </body>
48 protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
49         request.setCharacterEncoding("utf-8");
50         response.setContentType("text/html;charset=GBK");
51         PrintWriter out=response.getWriter();
52         users u =new users();   
53         String name="";
54         String password="";
55 
56         name=request.getParameter("username");
57         password=request.getParameter("password");
58         u.setUsername(name);
59         u.setPassword(password);
60         request.getSession().setAttribute("userbean", u);//session也可以添加对象
61         //request.getRequestDispatcher("../success.jsp").forward(request, response);
62 
63 
64         try{
65             RequestDispatcher rDispatcher=request.getRequestDispatcher("../success.jsp");
66             rDispatcher.forward(request, response);
67             out.println("终于他妈没有异常了");
68 
69         }
70         catch(Exception ex){
71 
72             out.println("出现异常！");
73             ex.printStackTrace();
74 
75         }
76 
77 
78 
79 
80 
81 
82     }

 

posted @ 2018-08-14 18:13  暴走的二萌  阅读(104)  评论(0)    收藏  举报