jquery判断radio是否选中
<div class="system">
<div class="systemt">
<label for="truepan">
<input type="radio" name="weixitong" id="truepan" class="systemChose" / >
<span>微交易-实体系统</span>
</label>
</div>
<div class="systemx" style="">
<label for="xunipan">
<input type="radio" name="weixitong" id="xunipan" class="systemChose" / >
<span>微交易-虚拟系统</span>
</label>
</div>
</div>
<script>
$(".systemChose").click(function(event) {
/* Act on the event */
if($(this).is(":checked")){
$(".system").find('span').css({
background: '#fff',
color: '#999'
});
$(this).parent().find('span').css({
background: 'red',
color: '#fff'
});
}
});
</script>