使用HTML / PHP的生日表单 [英] Birthday form using HTML/PHP

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本文介绍了使用HTML / PHP的生日表单的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我正在制作一份注册表格,让用户在他的生日中放置。
问题在于2月份和月份不以31结尾。用户可以放置像2月31日或4月31日这样的东西。选择二月份时,是否有实际的方法显示28? (除了使用Ajax)

I'm making a registration form which will have the user put in his birthday. The problem is when it comes to February and months who do not end in 31. The user is able to put something like 31 February or 31 April. Is there any practical way to display just 28 when February is selected? (aside from using Ajax)

<html>
<body>
<form action="registration.php" method="post">

<p><u>Select table</u></p>

<p>Select date:</p>
<select name="day">
<?php
for($i=1;$i<=31;$i++)
{
    echo '<option value='.$i.'>'.$i.'</option>';
}


<select name="month">
<option value="January">January</option>
<option value="February">February</option>
<option value="Mars">Mars</option>
<option value="April">April</option>
<option value="May">May</option>
<option value="June">June</option>
<option value="July">July</option>
<option value="September">September</option>
<option value="October">October</option>
<option value="November">November</option>
<option value="December">December</option>
</select>

<select name="year">
<?php
for($i=2011;$i<=2015;$i++)
{
    echo '<option value='.$i.'>'.$i.'</option>';
}

?>
</select>
<br/><br/>
<input type="submit" value="Submit" />
</form>

</body>
</html>


推荐答案

您可以使用JavaScript将下拉列表限制为28, 30日或31日。这并不要求您使用AJAX。

You could use JavaScript to restrict the dropdown to 28, 30, or 31 days based on the month. This does not require you to use AJAX.

这篇关于使用HTML / PHP的生日表单的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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