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阅读：6178回复：0
jquery 轮播 —— 左右滑动效果图片：lunbo.png  实现代码： <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Title</title>
<style type="text/css">
.content{
position: relative;
width: 500px;
height: 280px;
border: 2px solid black;
overflow: hidden;
margin:50px auto;
}
.content img{
width: 500px;
height: 280px;
}
.displayImg{
width: 1000px;
}
.displayImg div{
float:left;
width: 500px;
}
#next{
right: 20px;
}
#prev{
left:20px;
}
#next,#prev{
position: absolute;
width: 50px;
height: 50px;
text-align: center;
line-height: 50px;
color:white;
background-color: rgba(66,66,66,.6);
top:calc(50% - 25px );
}
</style>
</head>
<body>
<div class="content">
<div id="next">></div>
<div id="prev"><</div>
<div class="displayImg" id="displayImg" >
<div><img src="img/img_1.png" alt=""></div>
<div><img src="img/img_2.png" alt=""></div>
</div>
</div>
<script src="js/jquery.3.4.0.js"></script>
<script type="text/javascript">
var imgArr = ["img/img_1.png","img/img_2.png","img/img_3.png","img/img_4.png",
"img/img_5.png","img/img_6.png","img/img_7.png","img/img_8.png"];
var current = 0 ; // 显示第一张，即下标为0
var displayImg = $("#displayImg");
// setInterval(next,1000);
$("#next").click(next);
$("#prev").click(prev);
function next(){
displayImg.animate({marginLeft:"-500px"},function(){
// 显示下一张的图片
var index=current+1;
if(index==imgArr.length){
index = 0;
}
current=index;
displayImg.find("img").eq(0).attr("src",imgArr[index+1==imgArr.length?0:index+1]);
displayImg.append(displayImg.find("div").first());
displayImg.css("marginLeft","0px");
})
}
function prev(){
// 把最一个节点加到第一个
displayImg.css("marginLeft","-500px");
var index=current-1;
if(index<0){
index = imgArr.length-1;
}
current=index;
displayImg.find("img").last().attr("src",imgArr[index]);
displayImg.prepend(displayImg.find("div").last());
displayImg.animate({marginLeft:"0px"});
}
</script>
</body>
</html> |
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