53 lines
1.7 KiB
PHP
53 lines
1.7 KiB
PHP
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<title>test1</title>
|
|
</head>
|
|
<body>
|
|
<form name="form1" method="post" action="" id="year_form">
|
|
<span>检测闰年:</span>
|
|
<select name="year">
|
|
<option value="2000">2000年</option>
|
|
<option value="2001">2001年</option>
|
|
<option value="2002">2002年</option>
|
|
<option value="2003">2003年</option>
|
|
<option value="2004">2004年</option>
|
|
<option value="2005">2005年</option>
|
|
<option value="2006">2006年</option>
|
|
<option value="2007">2007年</option>
|
|
<option value="2008">2008年</option>
|
|
</select>
|
|
<input type="submit" name="Submit" value="提交" onclick="check()">
|
|
</form>
|
|
<form name="form2" method="post" action="" id="login">
|
|
<label for="username1">用户名</label><input type="text" name="username" id="username1"><br>
|
|
<label for="password1">密码</label><input type="password" name="password" id="password1"><br>
|
|
<input type="submit" name="submit" value="登录" onclick="return mycheck()">
|
|
</form>
|
|
<?php
|
|
|
|
?>
|
|
<script>
|
|
function check(){
|
|
var year = document.getElementById("year_form").year.value;
|
|
if((year%4===0)&&year%100!==0){
|
|
alert(year+"是闰年");
|
|
}else {
|
|
alert(year+"是平年");
|
|
}
|
|
}
|
|
function mycheck(){
|
|
var form2 = document.getElementById('login');
|
|
if(form2.username.value===""){
|
|
alert("用户名不能为空");
|
|
form2.username.focus();
|
|
return false;
|
|
}else if (form2.password.value===""){
|
|
alert("密码不能为空");
|
|
form2.password.focus();
|
|
return false;
|
|
}
|
|
}
|
|
</script>
|
|
</body>
|