使用者註冊常用javascript代碼

來源:互聯網
上載者:User

複製代碼 代碼如下:<%@ page contentType="text/html; charset=gb2312" language="java"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>使用者註冊</title>
<script language="javascript">
function IsDigit(cCheck)
{
return (('0'<=cCheck) && (cCheck<='9'));
}

function IsAlpha(cCheck)
{
return ((('a'<=cCheck) && (cCheck<='z')) || (('A'<=cCheck) && (cCheck<='Z')))
}

function IsValid()
{
var struserName = reg.UserName.value;
for (nIndex=0; nIndex<struserName.length; nIndex++)
{
cCheck = struserName.charAt(nIndex);
if (!(IsDigit(cCheck) || IsAlpha(cCheck)))
{
return false;
}
}
return true;
}
function chkEmail(str)
{
return str.search(/[\w\-]{1,}@[\w\-]{1,}\.[\w\-]{1,}/)==0?true:false
}

function docheck()
{
if(reg.UserName.value=="")
{
alert("請填寫使用者名稱");
return false;
}
else if(!IsValid())
{
alert("使用者名稱只能使用字母和數字");
return false;
}
else if(reg.UserPassword.value=="")
{
alert("請填寫密碼");
return false;
}
else if(reg.UserPassword.value != reg.CUserPassword.value)
{
alert("兩次密碼不一致");
return false;
}
else if(reg.NickName.value =="")
{
alert("請填寫暱稱");
return false;
}
else if(reg.Email.value =="")
{
alert("請填寫郵箱");
return false;
}
else if(!chkEmail(reg.Email.value))
{
alert("請填寫有效Email地址");
return false;
}
else
{
return true;
}
}
</script>
<STYLE type=text/css>
td, th {
font-family: Arial, Helvetica, sans-serif;
font-size: 14px;
line-height: 24px;
color: #333333;
}
</STYLE>
</head>
<body>
<h1 align="center">使用者註冊</h1>
<div align="center">
<form name="reg" action="user_add.jsp" method="post" target="_self" onSubmit="return docheck()">
<table width="90%" border="0">
<tr>
<td width="50%" align="right" height="25"><font face="Arial, Helvetica, sans-serif">請輸入要註冊的使用者名稱:</font></td>
<td width="50%" align="left" height="25">
<input type="text" name="UserName">
<br>
<font color="red"> 使用者名稱只能由字母和數字組成</font>
</td>
</tr>
<tr>
<td width="50%" align="right" height="25">請輸入密碼:</td>
<td width="50%" align="left" height="25"> <input type="password" name="UserPassword"></td>
</tr>
<tr>
<td width="50%" align="right" height="25">請輸入確認密碼:</td>
<td width="50%" align="left" height="25"> <input type="password" name="CUserPassword"></td>
</tr>
<tr>
<td width="50%" align="right" height="25">請輸入暱稱:</td>
<td width="50%" align="left" height="25"> <input type="text" name="NickName"></td>
</tr>
<tr>
<td width="50%" align="right" height="25">請選擇性別:</td>
<td width="50%" align="left" height="25"> <input type="radio" name="Sex" value="0" checked>男 <input type="radio" name="Sex" value="1">女</td>
</tr>
<tr>
<td width="50%" align="right" height="25">請輸入Email地址:</td>
<td width="50%" align="left" height="25"> <input type="text" name="Email"></td>
</tr>
</table>
<p>
<input type="submit" name="sub" value="註冊">
<input type="reset" name="res" value="重填">
</p>
</form>
</div>
</body>
</html>

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