course-tencent-cloud/public/static/home/js/captcha.verify.js

layui.use(['jquery', 'util'], function () {

    var $ = layui.jquery;
    var util = layui.util;

    var timeCounting = false;
    var $account = $('#cv-account');
    var $emit = $('#cv-verify-emit');

    var captcha = new TencentCaptcha(
        $emit[0],
        $('#cv-app-id').val(),
        function (res) {
            if (res.ret === 0) {
                $('#cv-ticket').val(res.ticket);
                $('#cv-rand').val(res.randstr);
                if (isEmail($account.val()) || isPhone($account.val())) {
                    var postUrl;
                    var postData = {
                        ticket: $('#cv-ticket').val(),
                        rand: $('#cv-rand').val(),
                    };
                    if (isPhone($account.val())) {
                        postData.phone = $account.val();
                        postUrl = '/verify/sms/code';
                    } else if (isEmail($account.val())) {
                        postData.email = $account.val();
                        postUrl = '/verify/mail/code';
                    }
                    $.ajax({
                        type: 'POST',
                        url: postUrl,
                        data: postData
                    });
                    $('#cv-submit-btn').removeClass('layui-btn-disabled').removeAttr('disabled');
                    $emit.addClass('layui-btn-disabled').attr('disabled', 'disabled');
                    showCountDown($emit);
                }
            }
        }
    );

    $account.on('keyup', function () {
        var accountOk;
        var type = $(this).data('type');
        var account = $(this).val();
        if (type === 'phone') {
            accountOk = isPhone(account);
        } else if (type === 'email') {
            accountOk = isEmail(account);
        } else {
            accountOk = isPhone(account) || isEmail(account);
        }
        if (accountOk && !timeCounting) {
            $emit.removeClass('layui-btn-disabled').removeAttr('disabled');
        } else {
            $emit.addClass('layui-btn-disabled').attr('disabled', 'disabled');
        }
    });

    function showCountDown(obj) {
        var serverTime = new Date().getTime();
        var endTime = serverTime + 60 * 1000;
        util.countdown(endTime, serverTime, function (date, serverTime, timer) {
            var left = date[0] * 86400 + date[1] * 3600 + date[2] * 60 + date[3];
            obj.text(left + '秒');
            if (left === 0) {
                obj.removeClass('layui-btn-disabled').removeAttr('disabled').text('重新发送');
                clearInterval(timer);
                timeCounting = false;
            }
        });
        timeCounting = true;
    }

    function isEmail(email) {
        return /^([a-zA-Z]|[0-9])(\w|\-)+@[a-zA-Z0-9]+\.([a-zA-Z]{2,4})$/.test(email);
    }

    function isPhone(phone) {
        return /^1(3|4|5|6|7|8|9)\d{9}$/.test(phone);
    }

});