先瞄一眼js輪播效果圖
代碼：
<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><style>*{padding:0;margin:0;}#content {width:400px;height:500px;margin:10px auto;position:relative;border:1px solid #000;color:red;font-size:20px;}#title, #bottom{position:absolute;width:400px;height:30px;line-height:30px;text-align:center;font-size:20px;background:#f1f1f1;}#bottom{bottom:0;cursor:pointer;}#bottom span{display:inline-block;width:15px;height:15px;border-radius:15px;background:#000;text-align:center;line-height:15px;position:relative;}#bottom span.active{background: #FFFF33;}#bottom span div {position:absolute;width:110px;height:110px;top:-125px;left:-46px;display:none;}#bottom span div:after{content:'';position:absolute;left:49px;bottom:-12px;border-top:7px solid #fff;border-right:5px solid transparent;border-bottom:5px solid transparent;border-left:5px solid transparent;}#bottom span img {width:100px;height:100px;border:5px solid #fff;}#left, #right{position:absolute;width:60px;height:60px;border-radius:60px;line-height:60px;font-size:60px;background:#FFFF66;font-weight:bold;text-align:center;top:50%;margin-top:-25px;color:#fff;cursor:pointer;filter(opacity:70);opacity:0.7;}#left:hover,#right:hover{filter(opacity:100);opacity:1;}#left{left:0px;}#right{right:0px;} #img{width:400px;height:500px;}</style><script>window.onload = function () { var bottom = $('bottom'),title = $('title'), img = $('img'),left = $('left'),right = $('right'); var aSpan = bottom.getElementsByTagName('span'); var aDiv = bottom.getElementsByTagName('div'); var arr = ['圖片一','圖片二','圖片三', '圖片四']; var num = 0; // 初始化 picTab(); // 點(diǎn)擊下一張 right.onclick = function () { if (num === aDiv.length - 1) num = -1; num++; picTab(); } // 點(diǎn)擊上一張 left.onclick = function () { if (num === 0) num = aDiv.length; num--; picTab(); } function picTab() { title.innerHTML = arr[num]; img.src = 'img/' + (num + 1) + '.png'; for ( var i = 0; i < aSpan.length; i++ ) { aSpan[i].className = ''; } aSpan[num].className = 'active'; } // 鼠標(biāo)移入移出顯示縮略圖 for ( var i = 0; i < aSpan.length; i++ ) { aSpan[i].index = i; aSpan[i].onmouseover = function () { aDiv[this.index].style.display = 'block'; } aSpan[i].onmouseout = function () { aDiv[this.index].style.display = 'none'; } aSpan[i].onclick = function () { num = this.index; picTab(); } } function $(id) { return document.getElementById(id);}}</script></head><body><div id="content"> <div id="title">帶縮略圖的輪播</div> <div id="left"><</div> <div id="right">></div> <div id="bottom"> <span><div><img src="img/1.png"/></div></span> <span><div><img src="img/2.png"/></div></span> <span><div><img src="img/3.png"/></div></span> <span><div><img src="img/4.png"/></div></span> </div> <img src="" id="img"/></div></body></html>以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持武林網(wǎng)。
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