多图轮播效果实现
Posted 筱风能动浪，岸树不遮山
tags:
篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了多图轮播效果实现相关的知识，希望对你有一定的参考价值。
最近做导航下面banner轮播的效果图时，网上会有很多用jquery插件实现的，一个真正的网站如果引入过多的JQuery，相互之间会有影响。
在慕课网上看了轮播图的设计视频，自己又重新设置，改进了一下。
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>焦点轮播图</title> <style type="text/css"> *{ margin: 0; padding: 0; text-decoration: none;} body { padding: 20px;} #container { width: 320px; height: 80px; border: 3px solid #333; overflow: hidden; position: relative;} #list { width: 4200px; height: 400px; position: absolute; z-index: 1;} #list img { float: left;} #buttons { position: absolute; height: 10px; width: 136px; z-index: 2; bottom: 2px; left: 100px;} #buttons span { cursor: pointer; float: left; border: 1px solid #fff; width: 10px; height: 10px; border-radius: 50%; background: #333; margin-right: 5px;} #buttons .on { background: orangered;} .arrow { cursor: pointer; display: none; line-height: 20px; text-align: center; font-size: 20px; font-weight: bold; width: 20px; height: 20px; position: absolute; z-index: 2; top: 30px; background-color: RGBA(0,0,0,.3); color: #fff;} .arrow:hover { background-color: RGBA(0,0,0,.7);} #container:hover .arrow { display: block;} #prev { left: 5px;} #next { right: 5px;} </style> <script type="text/javascript"> window.onload = function () { var container = document.getElementById(\'container\'); var list = document.getElementById(\'list\'); var buttons = document.getElementById(\'buttons\').getElementsByTagName(\'span\'); var prev = document.getElementById(\'prev\'); var next = document.getElementById(\'next\'); var index = 1; var len = 8; // var animated = false; var interval = 3000; var timer; function animate (offset) { //如果偏移量为0，则不进行轮播 if (offset == 0) { return; } animated = true; var time = 300; var inteval = 10; var speed = offset/(time/inteval); var left = parseInt(list.style.left) + offset; //go()函数是开始轮播 var go = function (){ if ( (speed > 0 && parseInt(list.style.left) < left) || (speed < 0 && parseInt(list.style.left) > left)) { list.style.left = parseInt(list.style.left) + speed + \'px\'; setTimeout(go, inteval); } else { list.style.left = left + \'px\'; //如果为第一幅图片，再按<<的按钮，直接跳到最后一个图片 if(left>-80){ list.style.left = -80 * len + \'px\'; } //如果为最后一幅图片，再按>>的按钮，直接跳到第一个图片 if(left<(-80 * len)) { list.style.left = \'-80px\'; } animated = false; } } go(); } //小圆点的设计 function showButton() { for (var i = 0; i < buttons.length ; i++) { if( buttons[i].className == \'on\'){ buttons[i].className = \'\'; break; } } buttons[index - 1].className = \'on\'; } //自动播放，设置定时器，相当于没3秒点击>>按钮 function play() { timer = setTimeout(function () { next.onclick(); play(); }, interval); } //清除定时器 function stop() { clearTimeout(timer); } next.onclick = function () { if (animated) { return; } if (index == 8) { index = 1; } else { index += 1; } animate(-80); showButton(); } //点击向前的箭头，执行animate函数，翻页 prev.onclick = function () { if (animated) { return; } if (index == 1) { index = 8; } else { index -= 1; } animate(80); showButton(); } // 图片滚动，小圆点要相应的变化 for (var i = 0; i < buttons.length; i++) { buttons[i].onclick = function () { if (animated) { return; } if(this.className == \'on\') { return; } var myIndex = parseInt(this.getAttribute(\'index\')); var offset = -80 * (myIndex - index); animate(offset); index = myIndex; showButton(); } } //鼠标放到轮播图上，动画停止 container.onmouseover = stop; //鼠标移开，动画开始 container.onmouseout = play; play(); } </script> </head> <body> <div id="container"> <div id="list" style="left: -80px;"> <img src="img/8.gif" alt="8"/> <img src="img/1.gif" alt="1"/> <img src="img/2.gif" alt="2"/> <img src="img/3.gif" alt="3"/> <img src="img/4.gif" alt="4"/> <img src="img/5.gif" alt="5"/> <img src="img/6.gif" alt="6"/> <img src="img/7.gif" alt="7"/> <img src="img/8.gif" alt="8"/> <img src="img/1.gif" alt="1"/> <img src="img/2.gif" alt="2"/> <img src="img/3.gif" alt="3"/> </div> <div id="buttons"> <span index="1" class="on"></span> <span index="2"></span> <span index="3"></span> <span index="4"></span> <span index="5"></span> <span index="6"></span> iOS无限轮播图片的实现-仅仅用了三个UIImageView实现多图的轮播效果用JQuery实现一行多图轮播，是单击一下一张图片轮播，不是一下一行图片轮播，给个例子，跪求