{extend name="beike/base" /}
{block name="staticcontent"}
    <meta http-equiv="mobile-agent"
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    <meta http-equiv="mobile-agent"
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            width: 100px;
            height: 32px;
            line-height: 32px;
            background-color: #F2594C;
            border-radius: 3px;
            font-size: 14px;
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            text-align: center;
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            height: 100%;
            top: 0;
            left: 0;
            background: rgb(0,0,0,0.25);
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            width: 350px;
            height: 200px;
            position: absolute;
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            right: 0;
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            margin: auto;
            border: 2.5px solid #F2594C;
            border-radius: 3px;
            box-shadow: 2px 2px 2px 2px rgb(242 89 76 / 15%);
            background: #fff;
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            float: right;
            display: block;
            font-size: 14px;
            cursor: pointer;
            text-align: right;
            background: rgb(0,0,0,0.25);
            color: #fff;
            padding: 1px 3px;
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        .tc_tit {
            width: 100%;
            height: auto;
            font-size: 14px;
            text-align: center;
            color: #000;
            clear: both;
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        .span_inp {
            width: 250px;
            height: 50px;
            border: 1px solid #000;
            margin: 10px auto;
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        .span_inp span {
            float: left;
            display: inline-block;
            width: 50%;
            height: 100%;
            background: #F2594C;
            color: #fff;
            text-align: center;
            line-height: 50px;
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        .span_inp input {
            float: left;
            display: inline-block;
            border: 0;
            width: 50%;
            height: 99%;
            outline: none;
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            width: 150px;
            height: 50px;
            border: 0;
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            margin: 0 auto;
            background: #4cadf2;
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        .captcha_code {
            font-size: 25px;
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{/block}

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

{block name="content"}
    <div id="position">您现在的位置：&nbsp;
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        lesson57z下载
    </div>

    <div id="mbList">
        <div class="titleShare">
            <span class="share"></span>
            <strong>lesson57z下载页</strong>
        </div>
        <div class="guge"></div>
        <h1 style="background:none;">lesson57z下载页</h1>
        <div class="Attribute">分类：
            <span><a href="http://bk.cooco.net.cn/tag-banianjiyingyukejian/" class="LinkPath">八年级英语课件</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>lesson57z文件:</h1>
            </div>
            <div>
                <table class="layui-table" lay-skin="line">
                    <colgroup>
                        <col width="500">
                        <col width="50">
                        <col>
                    </colgroup>
                    <tbody>
                                        </tbody>
                </table>
            </div>
            <div>
                <ul>
                                            <li>
                            <p>
                                <strong>20040906141207329.ppt</strong>
                                <span><a target="_blank" title="点击进入下载lesson57z" href="http://bk.cooco.net.cn/d-kejian-232657.html">进入下载</a></span>
                            </p>
                        </li>
                                    </ul>
            </div>


        </div>
    </div>

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                    data: {},
                    crossDomain: true,
                    xhrFields: {
                        withCredentials: true
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                    success: function (res) {
                        if (res.code === 0) {
                            console.log('bk_stat');
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            // 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
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                $('.captcha_img').attr('src', 'http://bk.cooco.net.cn/captchaimg/?iden=' + iden + '&doc=' + doc + '&rand_num=' + randNum);
                $('.tc_wrape').show();
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                var doc = $('.verify_btn').attr('data-key');
                $('.captcha_img').attr('src', 'http://bk.cooco.net.cn/captchaimg/?iden=' + iden + '&doc=' + doc + '&rand_num=' + randNum);
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                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');
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                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) {
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                        $('.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";
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                ctx.fillStyle = "rgba(102, 204, 0, 0.7)";
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                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}