h5轮播图代码

程序员文章站 2022-04-13 17:34:06

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下面是一个完整的h5轮播图html代码，复制后把图片改成自己的即可运行


<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <title>h5轮播图demo</title>
    <script type="text/javascript" src="/h5/js/jquery-1.11.0.min.js"></script>
    <!--<script type="text/javascript" src="js/commons.js"></script>-->
    <script type="text/javascript" src="/h5/js/util.js"></script>
	<style>
	* {
            margin: 0;
            padding: 0;
            text-decoration: none;
        }
        
        body {
            padding: 20px;
        }
        
        #container {
            position: relative;

            width: 1080px;
            height: 400px;
            border: 3px solid #333;
            overflow: hidden;
        }
        
        #list {
            position: absolute;
            z-index: 1;
            /*几个图加起来的宽度*/
            width: 4320px;
            height: 400px;
        }
        
        #list img {
            float: left;
            width: 1080px;
            height: 400px;
        }
        
        #buttons {
            position: absolute;
            left: 250px;
            bottom: 20px;
            z-index: 2;
            height: 10px;
        }
        
        #buttons span {
            float: left;
            margin-right: 5px;
            width: 10px;
            height: 10px;
            border: 1px solid #fff;
            border-radius: 50%;
            background: #333;
            cursor: pointer;
        }
        
        #buttons .on {
            background: orangered;
        }
        
        .arrow {
            position: absolute;
            top: 180px;
            z-index: 2;
            display: none;
            width: 40px;
            height: 40px;
            font-size: 36px;
            font-weight: bold;
            line-height: 39px;
            text-align: center;
            color: #fff;
            background-color: RGBA(0, 0, 0, .3);
            cursor: pointer;
        }
        
        .arrow:hover {
            background-color: RGBA(0, 0, 0, .7);
        }
        
        #container:hover .arrow {
            display: block;
        }
        
        #prev {
            left: 20px;
        }
        
        #next {
            right: 20px;
        }
	</style>
	<script>
	window.onload = function() {
            var container = document.getElementById('container');
            var list = document.getElementById('list');
			var imgLen= document.getElementsByTagName('img');
            var buttons = document.getElementById('buttons').getElementsByTagName('span');
            var prev = document.getElementById('prev');
            var next = document.getElementById('next');
            var index = 1;
            var timer;
            var offset = -1080; //单个图的宽度的负值
            var maxPicNums = 5;

            function animate(offset) {

                var indexNums = 3;
                var newLeft = parseInt(list.style.left) + offset;
                list.style.left = newLeft + 'px';
                //这里定的是最大5个轮播图，
                var maxOffset = maxPicNums * offset;
                if (newLeft > offset) {
                    list.style.left = -maxOffset + 'px';
                }
                if (newLeft < offset * (indexNums)) {
                    list.style.left = offset + 'px';
                }
            }

            function play() {
                timer = setInterval(function() {
                    next.onclick();
                }, 2000)
            }

            function stop() {
                clearInterval(timer);
            }

            function buttonsShow() {
                for (var i = 0; i < buttons.length; i++) {
                    if (buttons[i].className == "on") {
                        buttons[i].className = "";
                    }
                }
                //buttons[index - 1].className = "on";
                $(buttons[index - 1]).css("on");
            }

            prev.onclick = function() {
                index -= 1;
                if (index < 1) {
                    index = maxPicNums
                }
                buttonsShow();
                animate(Math.abs(offset));
            };

            next.onclick = function() {
				index += 1;
				if (index > maxPicNums) {
                    index = 1
                }
                animate(offset);
                buttonsShow();
            };

            for (var i = 0; i < buttons.length; i++) {
                (function(i) {
                    buttons[i].onclick = function() {


                        var clickIndex = parseInt(this.getAttribute('index'));
                        var offset = Math.abs(offset) * (index - clickIndex); 
                        animate(offset);
                        index = clickIndex;
                        buttonsShow();
                    }
                })(i)
            }

            container.onmouseover = stop;
            container.onmouseout = play;
            play();

        }
	</script>
</head>

<body>

    <div id="container">
        <!--这个left值也是单个图的宽度的负值 第一个图放二次-->
        <div id="list" style="left: -1080px;">
            <img src="images\slider1.jpg" alt="1" />
            <img src="images\slider1.jpg" alt="1" />
            <img src="images\slider2.jpg" alt="2" />
            <img src="images\slider3.jpg" alt="3" />
        </div>
        <div id="buttons">
            <span index="1" class="on"></span>
            <span index="2"></span>
            <span index="3"></span>
        </div>
        <a href="javascript:;" id="prev" class="arrow">&lt;</a>
        <a href="javascript:;" id="next" class="arrow">&gt;</a>
    </div>

</body>

</html>

代码是从网上找的修改的，亲测

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