受https://stackoverflow.com/questions/624102/enable-a-currently-disabled-dropdown-list-when-clicking-the-dropdown-list的启发,我尝试了一些方法,并在禁用选择中添加了一些灰色背景。
问题是当我点击一些选择(哪个单选按钮被禁用)时,下拉列表的背景仍然是灰色的。
即使未选中单选按钮,单击时如何将其恢复为正常(白色)?
你可以在这里看到它http://jsbin.com/okuca/
这是我的实际代码:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Test </title>
<style type="text/css">
label.disabled select { opacity: 0.5; filter: alpha(opacity=50); background-color:#CCC; }
</style>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<script type="text/javascript">
$(function() {
$('div.formdiv').bind('click',function() {
$('label.disabled',this).removeClass('disabled');
$('input:radio',this).attr('checked',true);
$('div.formdiv').not(this).find('label').addClass('disabled').find('select').attr('selectedIndex',0);
}).find('label').addClass('disabled');
});
</script>
</head>
<body>
<div class="formdiv">
<label for="Name">
<input id="Name" name="radio1" type="radio" />Name:
<select name="select1">
<option value="Rose">Rose</option>
<option value="Lily">Lily</option>
</select>
</br>
</label>
</div>
<div class="formdiv">
<label for="Colours">
<input id="Colours" name="radio1" type="radio" />Colour:
<select name="select2">
<option value="Red">Red</option>
<option value="Green">Green</option>
</select>
</label>
</br>
</div>
<div class="formdiv">
<label for="Sport">
<input id="Sport" name="radio1" type="radio" />Sport:
<select name="select3">
<option value="Tennis">Tennis</option>
<option value="Cricket">Cricket</option>
</select>
</label>
</br>
</div>
</body>
</html>
你可以在这里编辑它:http: //jsbin.com/okuca/edit