function getTocData(){
    var root = $('#toc>ul');
    var data = {};
    var temp = data;
    
    function getData(dom){
        var data = [];
        dom.find('>li').each((key, item) => {
            
        });
    }
}

$(function(){
    //对于目录树的操作
	if($('#toc').length > 0){
	    $('#toc .toctitle').append('<span class="tocmode">&nbsp;[<a role="button" tabindex="1" class="modetogglelink" style="color: #aaa">切换</a>]&nbsp;</span>');
	    $('#toc ul').addClass('subtoc');
        $('#toc>ul:first').removeClass('subtoc');
	    $('#toc .tocmode').click(function(){
	       alert('还没写好呢，再等等吧');
	    });
	}
});