{extend name="beike/base" /}
{block name="staticcontent"}
    <meta http-equiv="mobile-agent"
          content="format=xhtml; url=http://bk.cooco.net.cn/mdown-kejian-325350.html">
    <meta http-equiv="mobile-agent"
          content="format=html5; url=http://bk.cooco.net.cn/mdown-kejian-325350.html">

    <style>
        .layui-btn.downBtn {
            display: block;
            width: 100px;
            height: 32px;
            line-height: 32px;
            background-color: #F2594C;
            border-radius: 3px;
            font-size: 14px;
            color: #ffffff;
            text-align: center;
        }
        .tc_wrape {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            background: rgb(0,0,0,0.25);
        }
        .tc {
            width: 350px;
            height: 200px;
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            margin: auto;
            border: 2.5px solid #F2594C;
            border-radius: 3px;
            box-shadow: 2px 2px 2px 2px rgb(242 89 76 / 15%);
            background: #fff;
        }
        .tc p {
            float: right;
            display: block;
            font-size: 14px;
            cursor: pointer;
            text-align: right;
            background: rgb(0,0,0,0.25);
            color: #fff;
            padding: 1px 3px;
        }
        .tc_tit {
            width: 100%;
            height: auto;
            font-size: 14px;
            text-align: center;
            color: #000;
            clear: both;
        }
        .span_inp {
            width: 250px;
            height: 50px;
            border: 1px solid #000;
            margin: 10px auto;
        }
        .span_inp span {
            float: left;
            display: inline-block;
            width: 50%;
            height: 100%;
            background: #F2594C;
            color: #fff;
            text-align: center;
            line-height: 50px;
        }
        .span_inp input {
            float: left;
            display: inline-block;
            border: 0;
            width: 50%;
            height: 99%;
            outline: none;
            text-align: center;
        }
        .tc button {
            display: block;
            width: 150px;
            height: 50px;
            border: 0;
            color: #fff;
            margin: 0 auto;
            background: #4cadf2;
            cursor: pointer;
        }
        .tc_wrape {
            display: none;
        }
        .captcha_code {
            font-size: 25px;
        }
    </style>
{/block}

{block name="tipcontent"}{/block}

{block name="content"}
    <div id="position">您现在的位置：&nbsp;
        <a href="http://bk.cooco.net.cn" class="LinkPath">第一备课网</a>&nbsp;&gt;&gt;&nbsp;
        <a href="http://bk.cooco.net.cn/kejian/" class="LinkPath">课件下载</a>&nbsp;&gt;&gt;&nbsp;
        <a href="http://bk.cooco.net.cn/list-kejian-kexue/" class="LinkPath">
            科学课件下载</a>&nbsp;&gt;&gt;&nbsp;
        <a href="http://bk.cooco.net.cn/tag-jiunianjikexuekejian/" class="LinkPath">九年级科学课件下载</a>&nbsp;&gt;&gt;&nbsp;
        元素下载
    </div>

    <div id="mbList">
        <div class="titleShare">
            <span class="share"></span>
            <strong>元素下载页</strong>
        </div>
        <div class="guge"></div>
        <h1 style="background:none;">元素下载页</h1>
        <div class="Attribute">分类：
            <span><a href="http://bk.cooco.net.cn/tag-jiunianjikexuekejian/" class="LinkPath">九年级科学课件</a></span>
        </div>

        <div class="clear"></div>
    </div>

    <div class="main">
        <div class="fontsLeft" style="width:100%">
            <div class="mbPic" style="border: gray 1px solid; position:relative;">
                <h1>元素文件:</h1>
            </div>
            <div>
                <table class="layui-table" lay-skin="line">
                    <colgroup>
                        <col width="500">
                        <col width="50">
                        <col>
                    </colgroup>
                    <tbody>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">元素</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="310750">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">《元素》ppt课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="310753">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">课题3《元素》课件2</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="310752">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">化学元素与人体健康</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="313259">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">九年级上册化学元素</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="310728">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第三章--自然界中的元素</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="319034">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">富集在海水中的元素&mdash;&mdash;氯</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="314565">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">化学元素与人体健康</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="318644">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">九年级化学上册《元素》2</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="310729">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">高中化学必修二《元素》课件1</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="310751">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2017届高考化学总复习知识点梳理课件20(第2讲_元素周期律和元素周期表)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="319415">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第4节海水中的化学元素课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="319158">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">高考化学考点冲刺总动员：元素周期表和元素周期律-考点精练卷(Word版，有答案)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="319416">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">10.2化学元素与人体健康-教学课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="318643">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">10.2化学元素与人体健康-教学课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="313258">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">高一化学《富集在海水中的元素&mdash;氯》课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="314566">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">高一语文-古风PPT素材20161224[原创]-素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="64785">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">12怀素写字</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="94710">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(华师大版)科学八年级上：6.2《元素》教案课件包</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="310716">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">植物的激素调节</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369365">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(北师大版)语文七年级下册：第6单元《精卫填海》flash素材)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="84435">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">细胞中的元素和化合物_-2013届高考生物第一轮单元教学分析复习课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="365424">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">植物的激素调节</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369363">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">17.维生素C的故事</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="101615">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">怀素写字－教学课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="94708">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">植物生长素的发现</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369449">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">17.维生素C的故事</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="101618">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">七年级上-夏-素材(wav)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="13041">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">17.维生素C的故事</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="101608">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">18、维生素C的故事</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="101616">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2017版高考一轮课件：1-2细胞中的元素、化合物和无机物</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="365418">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">12怀素写字－课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="94709">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(北师大版)语文七年级下册：第6单元《精卫填海》flash素材)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="68216">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(汉水丑生)2018届一轮复习必修1(2)元素、蛋白质-ppt精品课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="373794">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(陕旅版)英语三年级下册：Unit_2_My_Family_综合素材(含素材)(含听力mp3)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="259951">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(陕旅版)英语三年级下册：Unit_2_My_Family_综合素材(含素材)(含听力mp3)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="251994">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(陕旅版)英语三年级下册：Unit_2_My_Family_综合素材(含素材)(含听力mp3)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="269241">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">3.2生长素的生理作用</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369530">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">影响加速度的因素</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="298949">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">17.维生素c的故事</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="101614">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">七年级上-夏-素材(wav)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="109483">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(陕旅版)英语三年级下册：Unit_1_My_Body_综合素材资料包(含素材)(含听力mp3)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="258010">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(商务星球版)2018学年地理八年级上：1.1《辽阔的疆域素材》教学素材包</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="326760">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">17.维生素C的故事课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="101617">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">《武松打虎》ppt漫画素材课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="88147">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">七年级上-郑振铎《猫》-mp3素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="18613">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">&sect;4.2影响加速度的因素－课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="298948">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第2节--生长素的生理作用</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369531">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(商务星球版)2018学年地理七上：2.1《地图基本要素》教学素材包-(七年级)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="324295">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(商务星球版)2018学年地理八年级上：1.2《众多的人口素材》教学素材包</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="326811">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(商务星球版)2018学年地理八年级上：1.2《众多的人口素材》教学素材包</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="320579">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第二节、生长素的生理作用 第三节、其他植物激素复习导学案</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="376027">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2017届高考化学第一轮基础梳理复习课件9(第三单元_自然界中的元素_碳的多样性)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="319028">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第2节 生长素的生理作用</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369529">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">七年级上-郑振铎《猫》-mp3素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="50151">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">八年级上-《蝉》朗读材料-素材[mp3]</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="11705">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">罗素-我为什么而活着－ppt课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="127059">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">18.维生素C的故事-PPT课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="101607">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2018届高考生物知识点总复习课件21(第2讲_细胞中的元素和化合物)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="365412">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2018届高考生物知识点总复习课件17(第2讲_细胞中的元素和无机物)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="365647">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">其他植物激素课件(高一生物)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369562">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">八年级上-《蝉》朗读材料-素材[mp3]</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="10189">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">《兰亭集序》ppt课件及音频素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="91641">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(商务星球版)2018学年地理八上：1.3《多民族的大家庭素材》教学素材包-(八年级)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="324425">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">3.1 植物生长素的发现过程</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369448">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">《兰亭集序》ppt课件及音频素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="126891">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">《我用残损的手掌》图片素材(6张)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="30910">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">语文：维生素C的故事-新课课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="101606">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第3节其他植物激素-教学课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369570">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">生物：第三节其他植物激素-课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369572">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第3章第3节其他植物激素课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369571">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(冀教版)七年级上：Unit_1《What&rsquo;s_your_name》flash动画素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="259641">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">工业区位因素课件(高一地理)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="324624">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">《兰亭集序》ppt课件及音频素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="2737">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">18.维生素C的故事教学课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="101613">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">&ldquo;植物的激素调节&rdquo;第二轮复习</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369364">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">通过激素的调节课件1(高二生物)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369075">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">生物必修三3.2  生长素的生理作用</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369532">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">七年级上-皇帝的新装视频朗读-素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="10942">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">语文七年级上-天上的街市朗诵-素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="15335">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">语文七年级上-天上的街市朗诵-素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="109819">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(陕旅版)五下英语：Unit_6_My_Holiday_动画素材-(五年级)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="253917">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2017届高考化学第一轮基础梳理复习课件31(选考部分_原子结构与元素的性质)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="316152">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(陕旅版)英语三下：Unit_2_My_Family_动画素材-(三年级)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="259956">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(湘少版)英语三年级下册：Unit_8_I_like_a_sunny_day音频素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="261409">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(陕旅版)英语三下：Unit_2_My_Family_动画素材-(三年级)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="269246">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">自然地理要素的相互作用课件(高二)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="324780">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">七年级上-皇帝的新装视频朗读-素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="15186">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">捕获光能的色素和结构课件(高一生物)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="366636">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(人教版)(新起点)五年级下：Unit_4《Last_Weekend》教学素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="253848">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">通过激素的调节课件2(高二生物)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369076">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">生长素的生理作用课件(高一生物)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369508">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">七年级上-皇帝的新装视频朗读-素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="110125">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">七年级上-皇帝的新装视频朗读-素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="82236">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">九年级下-生于忧患,死于安乐-素材(mp3)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="32402">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2016冀教版数学一年级上册第5单元《10以内的加法和减法》(整理与复习)教学素材包</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="190039">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2017版高考一轮课件：8-29植物的激素调节</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="369345">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(人教版)(新起点)五年级下：Unit_4《Last_Weekend》教学素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="270514">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(陕旅版)英语三下：Unit_2_My_Family_动画素材-(三年级)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="251999">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">语文七年级上-天上的街市朗诵-素材</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="60901">立即下载</button>
                            </td>
                        </tr>
                                        </tbody>
                </table>
            </div>
            <div>
                <ul>
                                            <li>
                            <p>
                                <strong>元素  浙教版.ppt</strong>
                                <span><a target="_blank" title="点击进入下载元素" href="http://bk.cooco.net.cn/d-kejian-325350.html">进入下载</a></span>
                            </p>
                        </li>
                                    </ul>
            </div>


        </div>
    </div>

    <script>
        $(function () {
            $(".down_stat").click(function () {
                $.ajax({
                    url: "http://pro.cooco.net.cn/bk_down_stat/",
                    type: 'get',
                    data: {},
                    crossDomain: true,
                    xhrFields: {
                        withCredentials: true
                    },
                    success: function (res) {
                        if (res.code === 0) {
                            console.log('bk_stat');
                        }
                    }
                });
            });

            // 点击关闭
            $('body').on('click', '.tc_wrape .tc p', function () {
                $(this).parent().parent().hide();
            });

            // 获取当前唯一标识
            var iden = cans();
            var randNum = Math.random();

            $('.downBtn,.doc_title').click(function () {
                // 当前数据key
                var doc = $(this).attr('data-key');
                $('.verify_btn').attr('data-key', doc);

                $('.captcha_img').attr('src', 'http://bk.cooco.net.cn/captchaimg/?iden=' + iden + '&doc=' + doc + '&rand_num=' + randNum);
                $('.tc_wrape').show();
            });

            $('.captcha_img').click(function () {
                var doc = $('.verify_btn').attr('data-key');
                $('.captcha_img').attr('src', 'http://bk.cooco.net.cn/captchaimg/?iden=' + iden + '&doc=' + doc + '&rand_num=' + randNum);
            });

            $('.verify_btn').click(function () {
                var captcha_code = $('.captcha_code').val();
                var doc = $(this).attr('data-key');
                var iden = cans();

                if (captcha_code == '' || captcha_code.length != 4) {
                    alert('验证码错误，请重新输入');
                    return false;
                }

                if (doc == '') {
                    alert('操作错误，请刷新页面重试');
                    return false;
                }

                if (iden == '') {
                    alert('抱歉，系统错误，请联系客服！');
                    return false;
                }

                $.get('http://bk.cooco.net.cn/verify/?' + Math.random(), {'iden': iden, 'doc': doc, 'captcha_code': captcha_code}, function (data) {
                    if (data.code == 0) {
                        $('.captcha_code').val('');
                        $('.tc_wrape .tc p').click();
                        window.open(data.data);
                    } else {
                        alert('验证码错误');
                        $('.captcha_img').click();
                        $('.captcha_code').val('');
                        return false;
                    }
                }, 'json');
            });

            function cans() {
                var canvas = document.createElement('canvas');
                var ctx = canvas.getContext('2d');
                var txt = 'http://security.tencent.com/';
                ctx.textBaseline = "top";
                ctx.font = "14px 'Arial'";
                ctx.textBaseline = "tencent";
                ctx.fillStyle = "#f60";
                ctx.fillRect(125, 1, 62, 20);
                ctx.fillStyle = "#069";
                ctx.fillText(txt, 2, 15);
                ctx.fillStyle = "rgba(102, 204, 0, 0.7)";
                ctx.fillText(txt, 4, 17);

                var b64 = canvas.toDataURL().replace("data:image/png;base64,", "");
                var bin = atob(b64);
                var crc = bin2hex(bin.slice(-16, -12));
                return crc;
            }

            function bin2hex(str) {
                var result = "";
                for (var i = 0; i < str.length; i++) {
                    result += int16_to_hex(str.charCodeAt(i));
                }
                return result;
            }

            function int16_to_hex(i) {
                var result = i.toString(16);
                var j = 0;
                while (j + result.length < 4) {
                    result = "0" + result;
                    j++;
                }
                return result;
            }
        });
    </script>
{/block}