JS实现焦点图轮播效果
效果图：
代码如下，复制即可使用：
(不过里面的图片路径需要自己改成自己的图片路径，否则是没有图片显示的哦)
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>JS实现焦点图轮播效果</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> <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 = 5; var animated = false; var interval = 3000; var timer; function animate (offset) { if (offset == 0) { return; } animated = true; var time = 300; var inteval = 10; var speed = offset/(time/inteval); var left = parseInt(list.style.left) + offset; 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'; if(left>-200){ list.style.left = -600 * len + 'px'; } if(left<(-600 * len)) { list.style.left = '-600px'; } animated = false; } } go(); } function showButton() { for (var i = 0; i < buttons.length ; i++) { if( buttons[i].className == 'on'){ buttons[i].className = ''; break; } } buttons[index - 1].className = 'on'; } function play() { timer = setTimeout(function () { next.onclick(); play(); }, interval); } function stop() { clearTimeout(timer); } next.onclick = function () { if (animated) { return; } if (index == 5) { index = 1; } else { index += 1; } animate(-600); showButton(); } prev.onclick = function () { if (animated) { return; } if (index == 1) { index = 5; } else { index -= 1; } animate(600); showButton(); } 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 = -600 * (myIndex - index); animate(offset); index = myIndex; showButton(); } } container.onmouseover = stop; container.onmouseout = play; play(); } </script> </head> <body> <div id="container"> <div id="list" style="left: -600px;">
<!-- 放最后的一张图片 -图片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>
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="js/jquery.min.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>
JQ实现焦点图轮播效果（二）
效果图：
图片素材 ：
、 、 、
左右按钮素材 ： ， 左右按钮 IE6版本素材 ：
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）
（适用浏览器：IE8、360、FireFox、Chrome、Safari、Opera、傲游、搜狗、世界之窗.）
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>JQ实现焦点图轮播效果（二）</title>
<!-- 此处需要改为自己的JQ路径 -->
<script type="text/javascript" src="js/jquery.min.js"></script> <style> /* CSS Document */ body,ul,li{ padding:0; margin:0;} ul,li{ list-style:none;} img{ border:none;} a{ color:#6cf;} a:hover{ color:#84B263;} .box{ width:980px; margin:0 auto; position:relative; overflow:hidden; _height:100%;} .picbox{ width:980px; height:115px; overflow:hidden; position:relative;} .piclist{ height:115px;position:absolute; left:0px; top:0px} .piclist li{ background:#eee; margin-right:20px; padding:5px; float:left;} .swaplist{ position:absolute; left:-3000px; top:0px}
/*这里需要改成自己的图片路径*/
.og_prev,.og_next{ width:30px; height:50px; background:url(../images/icon.png) no-repeat; background:url(../images/icon_ie6.png) no-repeat/9; position:absolute; top:33px; z-index:99; cursor:pointer;filter:alpha(opacity=70); opacity:0.7;} .og_prev{ background-position:0 -60px; left:4px;} .og_next{ background-position:0 0; right:4px;} </style> </head> <body> <div class="box" style="margin-top:50px;"> <div class="picbox"> <ul class="piclist mainlist">
<!-- 此处需要改为自己的图片路径 -->
<li><a href="#" target="_blank"><img src="images/1.jpg" width="220" height="105" /></a></li> <li><a href="#" target="_blank"><img src="images/2.jpg" /></a></li> <li><a href="#" target="_blank"><img src="images/3.jpg" /></a></li> <li><a href="#" target="_blank"><img src="images/4.jpg" /></a></li> <li><a href="#" target="_blank"><img src="images/1.jpg" /></a></li> <li><a href="#" target="_blank"><img src="images/2.jpg" /></a></li> <li><a href="#" target="_blank"><img src="images/3.jpg" /></a></li> <li><a href="#" target="_blank"><img src="images/4.jpg" /></a></li> </ul> <ul class="piclist swaplist"></ul> </div> <div class="og_prev"></div> <div class="og_next"></div> </div> <script> // JavaScript Document $(document).ready(function(e) { /***不需要自动滚动，去掉即可***/ time = window.setInterval(function(){ $('.og_next').click(); },5000); /***不需要自动滚动，去掉即可***/ linum = $('.mainlist li').length;//图片数量 w = linum * 250;//ul宽度 $('.piclist').css('width', w + 'px');//ul宽度 $('.swaplist').html($('.mainlist').html());//复制内容 $('.og_next').click(function(){ if($('.swaplist,.mainlist').is(':animated')){ $('.swaplist,.mainlist').stop(true,true); } if($('.mainlist li').length>4){//多于4张图片 ml = parseInt($('.mainlist').css('left'));//默认图片ul位置 sl = parseInt($('.swaplist').css('left'));//交换图片ul位置 if(ml<=0 && ml>w*-1){//默认图片显示时 $('.swaplist').css({left: '1000px'});//交换图片放在显示区域右侧 $('.mainlist').animate({left: ml - 1000 + 'px'},'slow');//默认图片滚动 if(ml==(w-1000)*-1){//默认图片最后一屏时 $('.swaplist').animate({left: '0px'},'slow');//交换图片滚动 } }else{//交换图片显示时 $('.mainlist').css({left: '1000px'})//默认图片放在显示区域右 $('.swaplist').animate({left: sl - 1000 + 'px'},'slow');//交换图片滚动 if(sl==(w-1000)*-1){//交换图片最后一屏时 $('.mainlist').animate({left: '0px'},'slow');//默认图片滚动 } } } }) $('.og_prev').click(function(){ if($('.swaplist,.mainlist').is(':animated')){ $('.swaplist,.mainlist').stop(true,true); } if($('.mainlist li').length>4){ ml = parseInt($('.mainlist').css('left')); sl = parseInt($('.swaplist').css('left')); if(ml<=0 && ml>w*-1){ $('.swaplist').css({left: w * -1 + 'px'}); $('.mainlist').animate({left: ml + 1000 + 'px'},'slow'); if(ml==0){ $('.swaplist').animate({left: (w - 1000) * -1 + 'px'},'slow'); } }else{ $('.mainlist').css({left: (w - 1000) * -1 + 'px'}); $('.swaplist').animate({left: sl + 1000 + 'px'},'slow'); if(sl==0){ $('.mainlist').animate({left: '0px'},'slow'); } } } }) }); $(document).ready(function(){ $('.og_prev,.og_next').hover(function(){ $(this).fadeTo('fast',1); },function(){ $(this).fadeTo('fast',0.7); }) }) </script> </body> </html>
如有错误，欢迎联系我改正，非常感谢！！！
原创文章，作者：Maggie-Hunter，如若转载，请注明出处：https://blog.ytso.com/tech/pnotes/12319.html