$("body").on("touchstart", function(e) { ???// 判断默认行为是否可以被禁用 ???if (e.cancelable) { ???????// 判断默认行为是否已经被禁用 ???????if (!e.defaultPrevented) { ???????????e.preventDefault(); ???????} ???} ??????startX = e.originalEvent.changedTouches[0].pageX, ???startY = e.originalEvent.changedTouches[0].pageY;});$("body").on("touchend", function(e) { ????????????// 判断默认行为是否可以被禁用 ???if (e.cancelable) { ???????// 判断默认行为是否已经被禁用 ???????if (!e.defaultPrevented) { ???????????e.preventDefault(); ???????} ???} ??????????????????moveEndX = e.originalEvent.changedTouches[0].pageX, ???moveEndY = e.originalEvent.changedTouches[0].pageY, ???X = moveEndX - startX, ???Y = moveEndY - startY; ???//左滑 ???if ( X > 0 ) { ???????alert(‘左滑‘); ???????????????????} ???//右滑 ???else if ( X < 0 ) { ???????alert(‘右滑‘); ???????} ???//下滑 ???else if ( Y > 0) { ???????alert(‘下滑‘); ???????} ???//上滑 ???else if ( Y < 0 ) { ???????alert(‘上滑‘); ???????} ???//单击 ???else{ ???????alert(‘单击‘); ???????}});转载http://blog.csdn.net/sinat_19327991/article/details/73823767
jQuery -- touch事件之滑动判断（左右上下方向）
原文地址：http://www.cnblogs.com/sanqianjin/p/7450773.html