当前位置： 移动技术网 > IT编程>开发语言>JavaScript > js 轮播图效果

js 轮播图效果

2019年06月27日  | 移动技术网IT编程  | 我要评论 
<!doctype html>
<html>
<head lang="en">
    <meta charset="utf-8">
    <title></title>
</head>


<style>
    * {box-sizing:border-box}
    body {font-family: verdana,sans-serif;}
    .myslides {display:none}
    /* 幻灯片容器 */
    .slideshow-container {
        max-width: 1000px;
        position: relative;
        margin: auto;
    }

    /* 下一张 & 上一张 按钮 */
    .prev, .next {
        cursor: pointer;
        position: absolute;
        top: 50%;
        width: auto;
        margin-top: -22px;
        padding: 16px;
        color: white;
        font-weight: bold;
        font-size: 18px;
        transition: 0.6s ease;
        border-radius: 0 3px 3px 0;
    }

    /* 定位 "下一张" 按钮靠右 */
    .next {
        right: 0;
        border-radius: 3px 0 0 3px;
    }

    /* on hover, add a black background color with a little bit see-through */
    .prev:hover, .next:hover {
        background-color: rgba(0,0,0,0.8);
    }

    /* 标题文本 */
    .text {
        color: #f2f2f2;
        font-size: 15px;
        padding: 8px 12px;
        position: absolute;
        bottom: 8px;
        width: 100%;
        text-align: center;
    }

    /* 数字文本 (1/3 等) */
    .numbertext {
        color: #f2f2f2;
        font-size: 12px;
        padding: 8px 12px;
        position: absolute;
        top: 0;
    }

    /* 标记符号 */
    .dot {
        cursor:pointer;
        height: 13px;
        width: 13px;
        margin: 0 2px;
        background-color: #bbb;
        border-radius: 50%;
        display: inline-block;
        transition: background-color 0.6s ease;
    }

    .active, .dot:hover {
        background-color: #717171;
    }

    /* 淡出动画 */
    .fade {
        -webkit-animation-name: fade;
        -webkit-animation-duration: 1.5s;
        animation-name: fade;
        animation-duration: 1.5s;
    }

    @-webkit-keyframes fade {
        from {opacity: .4}
        to {opacity: 1}
    }

    @keyframes fade {
        from {opacity: .4}
        to {opacity: 1}
    }
</style>
<body>
<div class="slideshow-container">
    <div class="myslides fade">
        <div class="numbertext">1 / 3</div>
        <img src="https://c.runoob.com/wp-content/uploads/2017/01/img_mountains_wide.jpg" style="width:100%">
        <div class="text">文本 1</div>
    </div>

    <div class="myslides fade">
        <div class="numbertext">2 / 3</div>
        <img src="https://c.runoob.com/wp-content/uploads/2017/01/img_fjords_wide.jpg" style="width:100%">
        <div class="text">文本 2</div>
    </div>

    <div class="myslides fade">
        <div class="numbertext">3 / 3</div>
        <img src="https://c.runoob.com/wp-content/uploads/2017/01/img_nature_wide.jpg" style="width:100%">
        <div class="text">文本 3</div>
    </div>

    <a class="prev" onclick="plusslides(-1)">❮</a>
    <a class="next" onclick="plusslides(1)">❯</a>
</div>
<br>

<div style="text-align:center">
    <span class="dot" onclick="currentslide(1)"></span>
    <span class="dot" onclick="currentslide(2)"></span>
    <span class="dot" onclick="currentslide(3)"></span>
</div>
</body>
</html>
<script>


    var slideindex = 1;
    showslides(slideindex);
    //    $(function(){
    //        showslides(1);
    //    });
    function plusslides(n) {
        showslides(slideindex += n);
    }
    //小圆点 属性：onclick
    function currentslide(n) {
        showslides(slideindex = n);
    }

    function showslides(n) {
//        alert('zhixing');
        var i;
        var slides = document.getelementsbyclassname("myslides");
        var dots = document.getelementsbyclassname("dot");
        if (n > slides.length) {slideindex = 1}
        if (n < 1) {slideindex = slides.length}

        //全部隐藏
        for (i = 0; i < slides.length; i++) {
            slides[i].style.display = "none";
        }
        //全部小圆点取消高亮
        for (i = 0; i < dots.length; i++) {
            dots[i].classname = dots[i].classname.replace(" active", "");
        }

        //对应的div显示+对应的小圆点高亮
        slides[slideindex-1].style.display = "block";
        dots[slideindex-1].classname += " active";
    }
</script>

 

您可能感兴趣的文章:

如对本文有疑问， 点击进行留言回复！！

相关文章:

验证码：
最近更新的文章
大家感兴趣的文章
移动技术网