//绑定点击弹出层外面隐藏下拉
$(document).bind("click",function(e){
var target = $(e.target).parent().parent();
if(target.closest(".layui-treeselect").length == 0){
var selTarget = $("#pidSelect").next();
selTarget.addClass("layui-unselect");
selTarget.removeClass("layui-drops-selected");
}
});
