基本信息
源码名称：BootStrap轮播图片示例源码
源码大小：0.49M
文件格式：.zip
开发语言：CSS
更新时间：2019-09-13
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   源码介绍
BootStrap图片轮播

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        * {
            padding: 0px;
            margin: 0px;
            list-style: none;

        }

        .wrapper {
            position: relative;
            margin: 100px auto 0;
            width: 400px;
            height: 250px;
            border: 1px solid #000;
            overflow: hidden;
        }

        .wrapper .sliderPage {
            position: absolute;
            left: 0px;
            top: 0px;
            height: 250px;
            width: 2000px;
        }

        .wrapper .sliderPage li {
            width: 400px;
            height: 250px;
            float: left;
        }

        .wrapper .sliderPage li img {
            width: 100%;
            height: 100%;
        }

        .wrapper .btn {
            position: absolute;
            top: 50%;
            margin-top: -20px;
            width: 40px;
            height: 40px;
            color: #fff;
            background: #000;
            line-height: 40px;
            text-align: center;
            opacity: 0.1;
            cursor: pointer;
        }

        .wrapper:hover .btn {
            opacity: 0.7;
        }

        .wrapper .leftBtn {
            left: 15px;
        }

        .wrapper .rightBtn {
            right: 15px;
        }

        .wrapper .sliderIndex {
            position: absolute;
            width: 100%;
            bottom: 15px;
            text-align: center;
            cursor: pointer;
        }

        .wrapper .sliderIndex span {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: #ccc;
            border-radius: 50%;
            margin-right: 10px;

        }

        .wrapper .sliderIndex .active {
            background: #f40;
        }
    </style>
</head>

<body>
    <div class="wrapper">
        <ul class="sliderPage">
            <li>
                <img src="cat1.jpg" alt="">
            </li>
            <li>
                <img src="cat2.jpg" alt="">
            </li>
            <li>
                <img src="cat3.jpg" alt="">
            </li>
            <li>
                <img src="cat4.jpg" alt="">
            </li>
            <li>
                <img src="cat1.jpg" alt="">
            </li>
        </ul>
        <div class="btn leftBtn">&lt;</div>
        <div class=" btn rightBtn">&gt;</div>
        <div class="sliderIndex">
            <span class="active"></span>
            <span></span>
            <span></span>
            <span></span>
        </div>
    </div>
    <script src="move.js"></script>
    <script>
        var timer = null;
        var sliderPage = document.getElementsByClassName("sliderPage")[0];
        var moveWidth = sliderPage.children[0].offsetWidth;
        var num = sliderPage.children.length - 1;
        var leftBtn = document.getElementsByClassName("leftBtn")[0];
        var rightBtn = document.getElementsByClassName("rightBtn")[0];
        var lock = true;
        var index =0;
        var oSpanArray = document.getElementsByClassName("sliderIndex")[0].getElementsByTagName("span");
        leftBtn.onclick = function () {
            autoMove("right->left");
        }
        rightBtn.onclick = function () {
            autoMove("left->right");
        }
        for(var i = 0 ; i< oSpanArray.length;i   ){
            (function (myIndex){
                oSpanArray[i].onclick = function(){
                    lock= false;
                    clearTimeout(timer);

                    
                    startMove(sliderPage,{left:- index *moveWidth},function(){
                        lock= true;
                        timer = setTimeout(autoMove,1500);
                        changeIndex(index);
                    });
                }
            }(i))
        }
        //direction
        //"left->right" 默认方向 //undefined //right
        //"right->left" 点击left按钮
        //31
        function autoMove(direction) {
            if (lock) {
                lock = false;
                clearTimeout(timer);
                if (!direction || direction == "left->right") {
                    index  ;
                    startMove(sliderPage, { left: sliderPage.offsetLeft - moveWidth }, function () {
                        if (sliderPage.offsetLeft == - num * moveWidth) {
                            index =0;
                            sliderPage.style.left = "0px";
                        }
                        timer = setTimeout(autoMove, 1500);
                        lock = true;
                        changeIndex(index)
                    });
                }
            }

            else if (direction == "right->left") {
                if (sliderPage.offsetLeft == 0) {
                    sliderPage.style.left == - num * moveWidth   'px';
               index = num;
                }
                index--;
                startMove(sliderPage, { left: sliderPage.offsetLeft   moveWidth }, function () {
                    timer = setTimeout(autoMove, 1500);
                    lock= true;
                    changeIndex(index);
                })
            }
            function changeIndex(_index){
                for (var i = 0; i < oSpanArray.length; i  ) {
                  oSpanArray[i].className = " ";
                    
                }
                oSpanArray[_index].className = "active";
            }
        }
        timer = setTimeout(autoMove, 1500)
    </script>
</body>

</html>