查看图片前进后退效果

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
    <style type="text/css">
        #mydiv
        {
            position: absolute;
            500px;
            height: 400px;
            top: 50%;
            left: 50%;
            margin-top: -200px;
            margin-left: -290px;
        }
        img
        {
            480px;
            height: 380px;
        }
    </style>
    <script src="Jquery1.7.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(function () {
            //第一种方法
            /*  
            $('#btn1').toggle(function () { $('img').attr('src', 'images/1.jpg'); },
            function () { $('img').attr('src', 'images/2.jpg'); },
            function () { $('img').attr('src', 'images/3.jpg'); },
            function () { $('img').attr('src', 'images/4.jpg'); },
            function () { $('img').attr('src', 'images/5.jpg'); });

            $('#btn2').toggle(function () { $('img').attr('src', 'images/5.jpg'); },
            function () { $('img').attr('src', 'images/4.jpg'); },
            function () { $('img').attr('src', 'images/3.jpg'); },
            function () { $('img').attr('src', 'images/2.jpg'); },
            function () { $('img').attr('src', 'images/1.jpg'); });
            */

            //第二种方法

            var array = [1, 2, 3, 4, 5, 6];
            var count = 0;
            //后退
            $('#btn1').click(function () {
                if (count > 0) {
                    count--;
                    $('img').attr('src', 'images/' + array[count] + '.jpg');
                }
            })
            //前进
            $('#btn2').click(function () {
                if (count < 5) {
                    count++;
                    $('img').attr('src', 'images/' + array[count] + '.jpg');
                }
            })

        })
    </script>
</head>
<body>
    <div id="mydiv">
        <table>
            <tr>
                <td>
                    <input id="btn1" type="button" value="<" />
                </td>
                <td>
                    <img src="images/1.jpg" />
                </td>
                <td>
                    <input id="btn2" type="button" value=">" />
                </td>
            </tr>
        </table>
    </div>
</body>
</html>

原文地址:https://www.cnblogs.com/duanlinlin/p/3038568.html