jq实现button获取当前块input的id和赋值

html代码

 
<div>
    <input id="test" class="weui-input" />
    <button class="touch">置零</button>
<div>

JS代码

$('.touch').click(function (e) {
    //获取input的id
	var id = $(e.currentTarget).parent().find('.weui-input').attr('id');
    //将input值置零
	$(e.currentTarget).parent().find('.weui-input').val(0);
});