$_POST 禁用选择 [英] $_POST for disabled select
问题描述
<select class="txtbx1" name="country" disabled>
<option value='FR' >FRANCE</option><option value='CH' selected>SWITZERLAND</option>
</select>
上面的代码在一个方法是post的表单中
the above code is inside a form whose method is post
但是 echo $_POST['country'] 没有显示任何东西..另一方面，如果我从 select $_POST['country'] 中删除 disabled正确的结果
but echo $_POST['country'] is showing nothing.. on the other hand if I remove disabled from select $_POST['country'] is showing the correct result
推荐答案
这就是 disabled 属性的工作原理.当表单控件被禁用时，提交表单时将忽略该值，并且键不会出现在 $_POST(或 $_GET)中.
This is how the disabled attribute works. When a form control is disabled, the value will be ignored when the form is submitted and the key will not be present in $_POST (or $_GET).
如果您希望该值出现在提交的数据中，但又不希望用户能够更改页面上的值(我想这就是您想要实现的)，请使用 readonly="readonly" 而不是 disabled="disabled".
If you want the value to be present in the submitted data, but you don't want the user to be able to change the value on the page (which I imagine is what you are trying to acheive) use readonly="readonly" instead of disabled="disabled".
编辑
元素没有 readonly 属性.上述信息仍然将适用于s和