本篇文章给大家带来的内容是 jQuery 如何实现焦点图轮播效果?(代码示例一). 有一定的参考价值, 有需要的朋友可以参考一下, 希望对大家有所帮助.
JQ 实现焦点图轮播效果 (一)
效果图:
图片素材 :
代码如下, 复制即可使用:
(不过里面的 JQ 路径和图片路径需要自己改成自己的 JQ 路径和图片路径, 否则是没有效果显示的哦)
- <!DOCTYPE html>
- <HTML>
- <head>
- <meta charset="UTF-8">
- <title>
- JQ 实现焦点图轮播效果 (一)
- </title>
- <style type="text/CSS">
- * { margin: 0; padding: 0; text-decoration: none; } body { padding: 20px;
- } #container { width: 600px; height: 400px; 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: 100px; z-index: 2; bottom: 20px; left: 250px;
- } #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: 39px; text-align: center; font-size: 36px;
- font-weight: bold; width: 40px; height: 40px; position: absolute; z-index:
- 2; top: 180px; 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: 20px; } #next { right: 20px; }
- </style>
- <!-- 此处需要改为自己的 JQ 路径 -->
- <script type="text/javascript" src="http://libs.baidu.com/jquery/1.9.1/jquery.js">
- </script>
- <script type="text/javascript">
- $(function() {
- var container = $('#container');
- var list = $('#list');
- var buttons = $('#buttons span');
- var prev = $('#prev');
- var next = $('#next');
- var index = 1;
- var len = 5;
- var interval = 3000;
- var timer;
- function animate(offset) {
- var left = parseInt(list.CSS('left')) + offset;
- if (offset > 0) {
- offset = '+=' + offset;
- } else {
- offset = '-=' + Math.abs(offset);
- }
- list.animate({
- 'left': offset
- },
- 300,
- function() {
- if (left > -200) {
- list.CSS('left', -600 * len);
- }
- if (left < ( - 600 * len)) {
- list.CSS('left', -600);
- }
- });
- }
- function showButton() {
- buttons.eq(index - 1).addClass('on').siblings().removeClass('on');
- }
- function play() {
- timer = setTimeout(function() {
- next.trigger('click');
- play();
- },
- interval);
- }
- function stop() {
- clearTimeout(timer);
- }
- next.bind('click',
- function() {
- if (list.is(':animated')) {
- return;
- }
- if (index == 5) {
- index = 1;
- } else {
- index += 1;
- }
- animate( - 600);
- showButton();
- });
- prev.bind('click',
- function() {
- if (list.is(':animated')) {
- return;
- }
- if (index == 1) {
- index = 5;
- } else {
- index -= 1;
- }
- animate(600);
- showButton();
- });
- buttons.each(function() {
- $(this).bind('click',
- function() {
- if (list.is(':animated') || $(this).attr('class') == 'on') {
- return;
- }
- var myIndex = parseInt($(this).attr('index'));
- var offset = -600 * (myIndex - index);
- animate(offset);
- index = myIndex;
- showButton();
- })
- });
- container.hover(stop, play);
- play();
- });
- </script>
- </head>
- <body>
- <div id="container">
- <div id="list" style="left: -600px;">
- <!-- 放最后的一张图片 - 此处需要改为自己的图片路径 -->
- <img src="img/5.jpg" alt="1" />
- <img src="img/1.jpg" alt="1" />
- <img src="img/2.jpg" alt="2" />
- <img src="img/3.jpg" alt="3" />
- <img src="img/4.jpg" alt="4" />
- <img src="img/5.jpg" alt="5" />
- <!-- 放第一张的图片 -->
- <img src="img/1.jpg" alt="5" />
- </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>
- </div>
- <a href="javascript:;" id="prev" class="arrow">
- <</a>
- <a href="javascript:;" id="next" class="arrow">
- >
- </a>
- </div>
- </body>
- </HTML>
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来源: http://www.css88.com/web/javascript/17467.html