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
6 <head>
7 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
8 <title>用户界面</title>
9 <style type="text/css">
10 table.tab{
11 font-family: verdana,arial,sans-serif;
12 font-size:11px;
13 border-color: red;
14 border-color: #666666;
15 border-collapse: collapse;
16 }
17 table.tab tr{
18 border:30px;
19 border-color: #666666;
20 padding: 8px;
21 border-style: solid;
22 }
23 table.tab td{
24 border-color: #666666;
25 background-color: #ffffff;
26 }
27 #btn{
28 background-color: #666666;
29 }
30 </style>
31 <script type="text/javascript">
32 function clcktd(){
33 var a=document.getElementsByName("newpassword");
34 var b=document.getElementsByName("conpassword");
35 if((au.password=null || a==null || b==null) && (au.password=null && a==null && b==null))
36 alert("密码不能为空！");
37 if(b!=a){
38 document.getElementById("inputpsd");
39 ctrl.focus();
40 }
41 }
42 </script>
43 </head>
44 <body>
45 <form action="" method="post">
46 <div align="center">
47 <table class="tab">
48 <tr>
49 <td colspan="2" align="center"><h2>
50 <%=session.getAttribute("uname") %>
51 </h2>
52 </td>
53 </tr>
54 <tr>
55 <td>
56 旧密码:
57 </td>
58 <td>
59 <input name="au.password" type="password" />
60 </td>
61 </tr>
62 <tr>
63 <td>
64 新密码:
65 </td>
66 <td>
67 <input name="newpassword" type="password"/>
68 </td>
69 </tr>
70 <tr>
71 <td>
72 确认密码:
73 </td>
74 <td>
75 <input name="conpassword" type="password" id="inputpsd"/>
76 </td>
77 </tr>
78 <tr>
79 <td align="right" colspan="2" id="btn">
80 <button type="submit" onclick="clcktd()">保存</button>
81 </td>
82 </tr>
83 </table>
84 </div>
85 </form>
86 </body>
87 </html>
按理说有alter呀,但是它根本就不会弹窗,是我的条件写错了?前端来帮忙撒
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