html:
<div id="banner" class="banner "> <div id="lunbo" class="lunbo"> <ul> <li><a href=""><img src="images/slide01.jpg" alt=""></a></li> <li><a href=""><img src="images/slide02.jpg" alt=""></a></li> <li><a href=""><img src="images/slide03.jpg" alt=""></a></li> <li><a href=""><img src="images/slide04.jpg" alt=""></a></li> <li><a href=""><img src="images/slide05.jpg" alt=""></a></li> </ul> </div> <div id="point" class="point"> <p>1</p> <p>2</p> <p>3</p> <p>4</p> <p>5</p> </div> <a href="#" class="prev"><img width="80px" height="80px" src="images/pl.png" alt=""></a> <a href="#" class="next"><img width="80px" height="80px" src="images/pr.png" alt=""></a> </div>
css:
.banner { width: 100%; margin: 20px 0; background-color: #efefef; padding: 20px 0 20px 0; position: relative; } .banner .lunbo { width: 960px; height: 340px; margin: 0 auto; overflow: hidden; } .banner .lunbo ul { width: 600%; height: 340px; } .banner .lunbo ul li { z-index: 99; float: left; width: 960px; height: 340px; } .banner .point { position: absolute; right: 20%; bottom: 10px; } .banner .point p { text-align: center; width: 20px; height: 20px; float: left; margin-right: 5px; display: inline-block; border: 1px solid white; border-radius: 50%; color: white; cursor: pointer; } .banner .point .current { background-color: #f4a523; } .prev,.next{ position: absolute; top: 190px; opacity: 0.6; color: red; } .next{ right: 20%; } .prev{ left: 22%; }
jq+js:
$(function () { // 编写jQuery相关代码 // alert("hello lnj"); var num = 0; var timer = null, timeout = null; $('#point p').eq(0).addClass('current'); // console.log($('#point p').eq(0)); /*指示器*/ $('#point p').mouseover(function () { clearInterval(timer); if (timeout) { clearTimeout(timeout); timeout = null; } num = $(this).index(); //设置悬浮时500毫秒时切换,不足100毫秒时不会切换 timeout = setTimeout(changgeMg, 100); // timer = setInterval(changeImg, 2000); return false; }) /*悬浮停止动画*/ $('#lunbo').mouseover(function () { clearInterval(timer); }); $('#lunbo').mouseout(function () { timer = setInterval(changeImg, 2000); }); /*箭头*/ $('.next').click(function () { if (timeout) { clearTimeout(timeout); timeout = null; } if (num < 4) { num++; } else { num = 0; } timeout = setTimeout(changgeMg, 100); return false; }) $('.prev').click(function () { if (timeout) { clearTimeout(timeout); timeout = null; } if (num > 0) { num--; } else { num = 4; } timeout = setTimeout(changgeMg, 100); return false; }); /*轮播动画+指示器上色*/ function changgeMg() { move = -num * 960 + 'px'; $('#lunbo ul').animate({ marginLeft: move }, 200); $('#point p').eq(num).addClass('current').siblings().removeClass('current'); } /*自动轮播定时器*/ timer = setInterval(changeImg, 2000); function changeImg() { if (num < 4) { num++; } else { num = 0; } console.log(num); changgeMg(); } });