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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,162 @@ | ||
<!DOCTYPE html> | ||
<html lang="en"> | ||
<head> | ||
<title>轮播图自动曝光埋点demo</title> | ||
<style type="text/css"> | ||
ul { | ||
padding: 0; | ||
} | ||
.clear { | ||
clear: both; | ||
zoom: 1; | ||
} | ||
*, | ||
:after, | ||
:before { | ||
-webkit-box-sizing: border-box; | ||
box-sizing: border-box; | ||
} | ||
.clearfix:after { | ||
clear: both; | ||
} | ||
.clearfix:after, | ||
.clearfix:before { | ||
display: table; | ||
content: ""; | ||
} | ||
.promo-bd { | ||
margin: 0 auto; | ||
overflow: hidden; | ||
width: 520px; | ||
} | ||
.promo-bd .items-container { | ||
list-style: none; | ||
overflow: hidden; | ||
width: 2280px; | ||
left: 0px; | ||
opacity: 1; | ||
height: 280px; | ||
} | ||
.promo-bd .items-container .item { | ||
display: list-item; | ||
float: left; | ||
overflow: hidden; | ||
display: block; | ||
visibility: visible; | ||
height: 100%; | ||
} | ||
.promo-bd .items-container .item a { | ||
display: inline-block; | ||
height: 100%; | ||
} | ||
.sld-ft-nav { | ||
text-align: center; | ||
} | ||
.sld-ft-nav li { | ||
display: inline-block; | ||
margin-left: 8px; | ||
border-radius: 10px; | ||
width: 20px; | ||
height: 20px; | ||
line-height: 20px; | ||
background-color: #ccc; | ||
color: #fff; | ||
font-size: 12px; | ||
cursor: pointer; | ||
} | ||
.sld-ft-nav li:first-child { | ||
margin-left: 0px; | ||
} | ||
.sld-ft-nav li.selector { | ||
background-color: #ff7300; | ||
} | ||
</style> | ||
</head> | ||
<body> | ||
<div class="container"> | ||
<div class="promo-bd"> | ||
<div class="items-container clear"> | ||
<div class="item" data-id="111"> | ||
<a href="#"> | ||
<img | ||
src="https://img.alicdn.com/tfs/TB1fEOLCrr1gK0jSZFDXXb9yVXa-520-280.jpg" | ||
/> | ||
</a> | ||
</div> | ||
<div class="item" data-id="112"> | ||
<a href="#"> | ||
<img | ||
src="https://img.alicdn.com/tfs/TB1BrwUFuL2gK0jSZPhXXahvXXa-520-280.jpg_q90_.webp" | ||
/> | ||
</a> | ||
</div> | ||
<div class="item" data-id="113"> | ||
<a href="#"> | ||
<img | ||
border="0" | ||
src="https://aecpm.alicdn.com/simba/img/TB183NQapLM8KJjSZFBSutJHVXa.jpg" | ||
/> | ||
</a> | ||
</div> | ||
<div class="item" data-id="114"> | ||
<a href="#"> | ||
<img | ||
border="0" | ||
src="https://aecpm.alicdn.com/simba/img/TB1JNHwKFXXXXafXVXXSutbFXXX.jpg" | ||
/> | ||
</a> | ||
</div> | ||
</div> | ||
|
||
<ul class="promo-nav sld-ft-nav"> | ||
<li class="dot selector" onclick="handlerClick(0)">1</li> | ||
<li class="dot" onclick="handlerClick(1)">2</li> | ||
<li class="dot" onclick="handlerClick(2)">3</li> | ||
<li class="dot" onclick="handlerClick(3)">4</li> | ||
</ul> | ||
</div> | ||
</div> | ||
<script type="text/javascript"> | ||
let handlerLoop; | ||
let width = 520; | ||
|
||
function transform(num) { | ||
document.querySelector(".items-container").setAttribute( | ||
"style", | ||
` | ||
transition-duration: 0.3s; | ||
transform: translate3d(-${width * num}px, 0px, 0px); | ||
backface-visibility: hidden; | ||
left: 0px; | ||
opacity: 1; | ||
` | ||
); | ||
document.querySelectorAll("li.dot").forEach(function (ele, i) { | ||
ele.setAttribute("class", "dot"); | ||
if (i === num) { | ||
ele.setAttribute("class", "dot selector"); | ||
} | ||
}); | ||
} | ||
|
||
function loop(n) { | ||
let num = n; | ||
handlerLoop = setInterval(function () { | ||
if (num === 3) { | ||
num = 0; | ||
} else { | ||
num++; | ||
} | ||
transform(num); | ||
}, 1500); | ||
} | ||
loop(0); | ||
|
||
function handlerClick(index) { | ||
clearInterval(handlerLoop); | ||
transform(index); | ||
loop(index); | ||
} | ||
</script> | ||
</body> | ||
</html> |
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