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分享<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>test</title>
<style type="text/css">
</style>
<script type="text/javascript">
function check(){
var email=document.getElementById("email").value;
if(email==""){
alert("email不能为空");
return false;
}
if(email.indexOf("@")==-1||email.indexOf(".")==-1){
alert("email格式不正确");
return false;
}
var pwd=document.getElementById("password").value;
if(pwd==""){
alert("密码不能为空");
return false;
}
if(pwd.length<6){
alert("密码必须大于6位");
return false;
}
var repwd=document.getElementById("repassword" );
if(repwd!=pwd){
alert("密码不一致");
return false;
}
var user=document.getElementById("user").value;
if(user==""){
alert("姓名不能为空");
return false;
}
for(var i=0;i<user.length;i++){
var j=user.substring(i,i+1);
if(isNaN(j)==false){
alert("姓名中不能包含数字");
return false;
}
}
return true;
}
</script>
</head>
<body>
<form action="" method="post" name="myform" onsubmit="check();">
<table>
<tr>
<td>你的Email:</td>
<td><input id="email" type="text" name="email" class="input-text" /> </td>
</tr>
<tr>
<td>输入密码:</td>
<td><input id="password" type="password" name="password" class="input-text" /> </td>
</tr>
<tr>
<td>确认密码:</td>
<td><input id="repassword" type="password" name="password" class="input-text" /> </td>
</tr>
<tr>
<td>用户名:</td>
<td><input id="user" type="text" name="name" class="input-text" /> </td>
</tr>
</table>
<input type="submit" value="submit" />
</form>
</body>
</html>