代码片段:  $(function(){    $(".tm-m-photos").commentImg({activeClass:'tm-current',//缩略图当前状态class,默认'current'    nextButton:'.tm-m-photo-viewer-navright',//向后翻页按钮,默认'.next'    prevButton:'.tm-m-photo-viewer-navleft',//向前翻页按钮,默认'.prev&