<span id="236" class="active" type="teacher" ww="nn"> <input type="checkbox" onclick="event.cancelBubble=true;"> 刘4 </span>
获取文本“刘4”
获取id
$("input:checked",".simpleTree").each(function(){
var currentNode = $(this).parent();
var isfolder = currentNode.text();
var id=currentNode.attr("id")
alert(isfolder);
});