<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title></title>
    <script src="js/Jquery/jquery-1.7.1.min.js"></script>

    <style type="text/css">
        #thc-count
        {
            width: 400px;
            margin: 0 auto;
            border: 2px solid black;
        }

        .thc-count-top
        {
            width: 380px;
            line-height: 40px;
            height: 40px;
            border-bottom: 1px solid #ae9f9f;
            margin: 10px;
            overflow: hidden;
            /*text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;*/
        }
    </style>

</head>
<body>
    <form id="form1" runat="server">
        <div id="thc-count">

            <div class="thc-count-top">
                <p>1</p>

            </div>
            <div class="thc-count-top">
                <p>1</p>
                <p>2</p>

            </div>
            <div class="thc-count-top">
                <p>1</p>
                <p>2</p>
                <p>3</p>
                <p>4</p>

            </div>
            <div class="thc-count-top">
                <p>1</p>
                <p>2</p>
                <p>3</p>
                <p>4</p>
                <p>5</p>
                <p>6</p>
            </div>

        </div>

    </form>
</body>
</html>
<script type="text/javascript">



    $(".thc-count-top").toggle(
    function () {
       
        var hei = $(this).css('height', 'auto').height();//div 默认用文字撑起来的高度

        $(this).css('height', '50px');//div 最小的高度

        $(this).animate({ height: hei }, 500)
    },
    function () { $(this).animate({ height: "50" }, 500) });



</script>
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