簡單的輪播圖（單張顯示，無特效）
阿新 • • 發佈：2018-12-20
HTML:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript" src="JS/jquery-3.3.1.js"></script>
<script type="text/javascript" src="JS/test.js"></script>
<link rel="stylesheet" type="text/css" href="CSS/test.css" />
</head>
<body>
<div id="carousel">
<img src="img/1.jpg"/>
<div id="dots">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<div id="previous"><</div>
<div id="next">></div>
</div>
</body>
</html>
CSS:
*{
display: block;
margin: 0px;
border: 0px;
}
#carousel,#carousel>img{
width: 1024px;
height: 576px;
}
#carousel{
margin: 50px auto;
position: relative;
}
#carousel>img{
cursor: pointer;
position: absolute;
left: 0px;
top: 0px;
}
#carousel>img:first-child{
display: block;
}
#dots{
position: absolute;
left: 362px;
bottom: 0px;
background-color: rgba(0,0,0,0.6);
}
#dots>div{
float: left;
width: 20px;
height: 20px;
border-radius: 10px;
margin: 5px 20px;
cursor: pointer;
background-color: rgba(255,255,255,0.6);
}
#dots>div:first-child{
background-color: rgba(255,0,0,0.6);
}
#previous,#next{
text-align: center;
position: absolute;
width: 30px;
line-height: 50px;
top: 273px;
font-size: 25px;
cursor: pointer;
background-color: rgba(255,255,255,0.6);
}
#previous{
left: 0px;
}
#next{
right: 0px;
}
JS:
$(function(){
var i=-1;
function start () {
i++;
i=i%5;
$("img").attr("src","img/"+(i+1)+".jpg");
$("#dots>div").css("background","rgba(255,255,255,0.6)");
$("#dots>div").eq(i).css("background","rgba(255,0,0,0.6)");
}
function change() {
if(i<0)
i=4;
i=i%5;
$("img").attr("src","img/"+(i+1)+".jpg");
$("#dots>div").css("background","rgba(255,255,255,0.6)");
$("#dots>div").eq(i).css("background","rgba(255,0,0,0.6)");
}
var time=setInterval(start,2000);
$("#dots>div").mouseover(function () {
clearInterval(time);
i=$(this).index();
change();
});
$("#dots>div").mouseout(function () {
time=setInterval(start,2000);
});
$("img").mouseover(function() {
clearInterval(time);
});
$("img").mouseout(function () {
time=setInterval(start,2000);
});
$("#previous").click(function () {
clearInterval(time);
i--;
change();
time=setInterval(start,2000);
});
$("#next").click(function () {
clearInterval(time);
i++;
change();
time=setInterval(start,2000);
});
});