{{data.option}}",link : function(scope,elem,attrs) { $timeout(function(){ var className = $("." + $(elem).parent()[0].className); var i = 0,sh; var liLength = className.children("li").length; var liHeight = className.children("li").height() + parseInt(className.children("li").css('border-bottom-width')); className.html(className.html() + className.html()); // 开启定时器 sh = setInterval(slide,4000); function slide(){ if (parseInt(className.css("margin-top")) > (-liLength * liHeight)) { i++; className.animate({ marginTop : -liHeight * i + "px" },"slow"); } else { i = 0; className.css("margin-top","0px"); } } // 清除定时器 className.hover(function(){ clearInterval(sh); },function(){ clearInterval(sh); sh = setInterval(slide,4000); }) },0) } } })