jQuery手风琴 jQuery实现手风琴小案例

时间:2021-04-11 休息休息夏人气:0

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代码演示效果：

1.运用jQuery，动画样式进行轮播图切换
2.前提，需要引入animate.css（官网下载就有）

HTML代码：

<head>
    <meta charset="UTF-8">
    <title>手风琴</title>
    <link rel="stylesheet" href="../animate.css">
    <link rel="stylesheet" href="css/index.css">
    <script src="../jquery-3.1.0.js"></script>
    <!--    <script src="js/手风琴index.js"></script>-->

</head>
<body>
    <div class="bg"></div>
    <div class="bg"></div>
    <div class="bg"></div>
    <div class="bg bg-active"></div>
    <div class="main">
        <ul>
            <li><div><p>穿越火线</p></div></li>
            <li><div><p>王者荣耀</p></div></li>
            <li><div><p>使命召唤</p></div></li>
            <li class="li-active"><div><p>英雄联盟</p></div></li>
        </ul>
    </div>
</body>

script代码：

<script>
    $(function () {
       $("li").mouseenter(function () {
           //stop()阻止动画效果
           $(this).stop().animate({width:"700px"},1000,"linear").fadeIn();
           $(this).siblings("li").stop().animate({width:"100px"},1000,"linear").fadeIn();
           $(".bg").eq($(this).index()).siblings(".bg").stop().fadeOut();
           $(".bg").eq($(this).index()).stop().animate({top:"700px"},400,"linear").fadeIn();

       }); 
    });
</script>

css代码：

*{
    margin: 0;
    padding: 0;
}
html,body, .bg{
    height: 700px;
    width: 1400px;
    overflow: hidden;
}
body{
    position: relative;
}
.bg{
    display: none;
}
.bg:nth-child(1){
    background:url("../images/1.jpg")no-repeat center/cover;
}
.bg:nth-child(2){
    background:url("../images/2.jpg")no-repeat center/cover;
}
.bg:nth-child(3){
    background:url("../images/3.jpg")no-repeat center/cover;
}
.bg:nth-child(4){
    background:url("../images/4.jpg")no-repeat center/cover;
}
/*大背景显示*/
.bg-active{
    display: block;
}
.main{
    position: absolute;
    width: 1000px;
    height: 400px;
    /*background-color: pink;*/
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}
.main ul{
    list-style: none;
}
.main ul li{
    float: left;
    width: 100px;
    height: 400px;
    transition:right 1s;
}
/*小背景显示*/
.main ul li.li-active{
    width: 700px;
    height: 400px;

}
.main ul li:nth-child(1){
     background: url("../images/1.jpg")no-repeat center/cover;
 }
.main ul li:nth-child(2){
    background: url("../images/2.jpg")no-repeat center/cover;
}
.main ul li:nth-child(3){
    background: url("../images/3.jpg")no-repeat center/cover;
}
.main ul li:nth-child(4){
    background: url("../images/4.jpg")no-repeat center/cover;
}
.main ul li div{
    height: 400px;
    width: 100px;
    background-color: rgba(0,0,0,.5);
}
.main ul li div p{
    color: #fff;
    padding: 40px;
    font-size: 20px;
    opacity: 0.5;
}

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