accordion

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>accordion</title>
    <script src="js/jquery-1.7.1.js"></script>
    <script src="js/sqLib.js"></script>
    <style>
        .accordion-panel{
            width: 400px;

        }
        .accordion-panel-heading{
            color: #d74147;
            width: 400px;
            height: 40px;
            line-height: 40px;
            border: 1px solid #d74147;
            margin: 5px 0;
            padding-left: 10px;
            border-radius: 5px;
        }
        .accordion-panel-content{
            display: none;
            border: 1px solid #000;
            width: 400px;
            border-radius: 5px;
            padding-left: 10px;
            line-height: 40px;
        }
    </style>
    <script>
        $(function(){
            $('.accordion-panel-heading').on('click',function(){
                if($(this).hasClass('active')) {
                    $(this).removeClass('active');
                    $(this).siblings('.accordion-panel-content').slideUp('slow');
                }
                else {
                    $('.accordion .accordion-panel-heading').removeClass('active');
                    $('.accordion .accordion-panel-content').slideUp('slow');
                    $(this).addClass('active');
                    $(this).siblings('.accordion-panel-content').slideDown('slow');
                }
            });

        });
    </script>
</head>
<body>
<div class="accordion">
    <div class="accordion-panel">
        <div class="accordion-panel-heading">标题1</div>
        <div class="accordion-panel-content">内容1</div>
    </div>
    <div class="accordion-panel">
        <div class="accordion-panel-heading">标题2</div>
        <div class="accordion-panel-content">内容2</div>
    </div>
    <div class="accordion-panel">
        <div class="accordion-panel-heading">标题3</div>
        <div class="accordion-panel-content">内容3</div>
    </div>
    <div class="accordion-panel">
        <div class="accordion-panel-heading">标题4</div>
        <div class="accordion-panel-content">内容4</div>
    </div>

</div>
</body>
</html>