1  scrollBar(); 2     function scrollBar() { 3         height = $('.layui-table-body').height(); 4         var number = 0; 5         var length = 0; 6         var time = setInterval(function () { 7             number += 1; 8             if (number == 12) { 9                 clearInterval(time);10                 $('.layui-table-body').scrollTop('0');11             } else {12                 length += height / 11;13                 $('.layui-table-body').scrollTop(length);  //只有此处有区别14             }15         }, 1000);16     }17 18     setInterval(function () {19         scrollBar()20     }, 13000)