如今，传统的学校已经不能满足大众多元化的需求，各种教育培训机构落地生根。随着时间的推移，互联网与传统教育的结合也开拓了一种新的教育方式，这就是广为人知的知识付费。在线教育的突然崛起多半是因为疫情的“催化”，突然暴增的用户量让在线教育行业焕发了新的生机，许多同行的成功转型也让传统的教育培训机构看到了机会，纷纷开始加入知识付费APP搭建的队伍之中，但是知识付费APP搭建并非一件易事。下文小编就来给大家浅要分析一下知识付费代码，做到未雨绸缪。

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namespace app\admin\controller;

use app\admin\model\CourseModel;
use app\admin\model\UsersModel;
use cmf\controller\AdminBaseController;
use think\Db;

/**

• 课程

• @package app\admin\controller
  /
  class CourseController extends AdminBaseController
  {
  /*

  • 获取课程状态

  • @param string $k 键

  • @return array|mixed|string
    */
    protected function getStatus($k = ‘’)
    {
    $status = [
    ‘-2’ => ‘管理员下架’,
    ‘-1’ => ‘暂时下架’,
    ‘0’ => ‘审核中’,
    ‘1’ => ‘上架中’,
    ‘2’ => ‘定时上架’,
    ];

    if ($k === ‘’) {
    return KaTeX parse error: Expected 'EOF', got '}' at position 10: status; }̲ return isset(status[$k]) ? $status[$k] : ‘’;
    }

  /**

  • 类别
  • @param string $k 键
  • @return array|mixed|string
    */
    protected function getSort($k = ‘’)
    {
    $sort={[}^{\prime }{0}^{\prime }={>}^{\prime }内{容}^{\prime }{,}^{\prime }{1}^{\prime }={>}^{\prime }课{程}^{\prime }{,}^{\prime }{2}^{\prime }={>}^{\prime }直{播}^{\prime },];if($k === ‘’) {
    return KaTeX parse error: Expected 'EOF', got '}' at position 8: sort; }̲ return isset(sort[$k]) ? $sort[$k] : ‘’;
    }

  /**

  • 内容形式
  • @param string $k 键
  • @return array|mixed|string
    */
    protected function getTypes($k = ‘’)
    {
    $type={[}^{\prime }{1}^{\prime }={>}^{\prime }图{文}^{\prime },];if($k === ‘’) {
    return KaTeX parse error: Expected 'EOF', got '}' at position 8: type; }̲ return isset(type[$k]) ? $type[$k] : ‘’;
    }

  /**

  • 直播形式
  • @param string $k 键
  • @return array|mixed|string
    */
    protected function getLiveTypes($k = ‘’)
    {
    $type={[}^{\prime }{1}^{\prime }={>}^{\prime }PP{T}^{\prime }{,}^{\prime }{2}^{\prime }={>}^{\prime }视{频}^{\prime }{,}^{\prime }{3}^{\prime }={>}^{\prime }音{频}^{\prime },];if($k === ‘’) {
    return KaTeX parse error: Expected 'EOF', got '}' at position 8: type; }̲ return isset(type[$k]) ? $type[$k] : ‘’;
    }

  /**

  • 获取方式
  • @param string $k 键
  • @return array|mixed|string
    */
    protected function getPayTypes($k = ‘’)
    {
    $paytype={[}^{\prime }{0}^{\prime }={>}^{\prime }免{费}^{\prime }{,}^{\prime }{1}^{\prime }={>}^{\prime }收{费}^{\prime }{,}^{\prime }{2}^{\prime }={>}^{\prime }密{码}^{\prime },];if($k === ‘’) {
    return KaTeX parse error: Expected 'EOF', got '}' at position 11: paytype; }̲ return isset(paytype[$k]) ? $paytype[$k] : ‘’;
    }

  /**

  • 试学
  • @param string $k 键
  • @return array|mixed|string
    */
    protected function getTrialTypes($k = ‘’)
    {
    $trialtype={[}^{\prime }{0}^{\prime }={>}^{\prime }{否}^{\prime }{,}^{\prime }{2}^{\prime }={>}^{\prime }进{度}^{\prime },];if($k === ‘’) {
    return KaTeX parse error: Expected 'EOF', got '}' at position 13: trialtype; }̲ return isset(trialtype[$k]) ? $trialtype[$k] : ‘’;
    }

  /**