nk-lihaink-cn/app/admin/controller/nk/EducationLive.php

<?php
namespace app\admin\controller\nk;

// use app\admin\controller\nk\common\Article as ArticleCommon1;
use think\db\exception\DbException as ExceptionDbException;
use think\exception\ValidateException;
use think\facade\Db;
use think\facade\View;

/**
 * 教育培训 直播
 * 
 * 
CREATE TABLE `fa_article_education_live` (
  `id` int unsigned NOT NULL AUTO_INCREMENT COMMENT '主键id',
  `article_id` int NOT NULL COMMENT '文章id',
  `lesson_period` int unsigned NOT NULL DEFAULT '0' COMMENT '课时',
  `tag_ids` varchar(255) DEFAULT NULL COMMENT '文章标签id字符串',
  `is_recommend` tinyint unsigned DEFAULT '0' COMMENT '是否推荐',
  PRIMARY KEY (`id`),
  UNIQUE KEY `article_id_index` (`article_id`) COMMENT '文章id'
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='教育培训类直播文章扩展表';

CREATE TABLE `fa_article_education_live_series` (
  `id` int unsigned NOT NULL AUTO_INCREMENT COMMENT '主键id',
  `article_id` int unsigned DEFAULT NULL COMMENT '文章id',
  `url` varchar(255) DEFAULT NULL COMMENT '视频地址',
  `num` int unsigned NOT NULL COMMENT '第几集',
  `title` varchar(255) DEFAULT NULL COMMENT '视频标题',
  PRIMARY KEY (`id`),
  KEY `article_id_index` (`article_id`) COMMENT '文章id'
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='教育培训视频文章扩展表';

CREATE TABLE `fa_tag` (
  `id` int unsigned NOT NULL AUTO_INCREMENT COMMENT '主键id',
  `tag` varchar(255) DEFAULT NULL COMMENT '标签',
  `display` tinyint unsigned NOT NULL DEFAULT '0' COMMENT '禁止显示',
  PRIMARY KEY (`id`),
  KEY `tag_index` (`tag`) COMMENT '标签名'
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='标签表';

 */
class EducationLive extends ArticleCommon {
    const ARTICLE_EDUCATION_LIVE = 'fa_article_education_live';
    const TAG = 'fa_tag';

    function __construct()
    {
        // 课程name
        // *课时
        // 观看人数
        $this->adminInfo = get_login_admin();
        $this->category_id = 370;
        $this->url=[
            '/admin/nk.education_live/index?category_id='.$this->category_id,
            '/admin/nk.education_live/add',
            '/admin/nk.education_live/edit',
            '/admin/nk.education_live/del',
            '/admin/nk.education_live/read',
        ];
    }

    /**
     * 查看 待完
     */
    function Read() {
        $param = get_params();
        $id = isset($param['id']) ? $param['id'] : 0;
        $detail = Db::table('fa_article')->where('id',$id)->withAttr('lesson', 
            function($value, $data)use($id){
                return Db::table(self::ARTICLE_EDUCATION_LIVE)->field('lesson_period,tag_ids as series_num')->where('article_id', $id)->find();
            }
        )->find();

        // ！待开发--课程集数\ 学习人数
        // ->withAttr('learner', 
        //     function($value, $data)use($id){
        //         return Db::table(self::ARTICLE_EDUCATION_LIVE)->field('lesson_period,tag_ids as num')->where('article_id', $id)->find();
        //     }
        // )
        // echo '<pre>';print_r($detail);
        // exit();
        if (!empty($detail)) {
            $detail['comment'] = Db::table('fa_article_comment')
                                ->where('vote_id',$id)
                                ->withAttr('user_info',function ($value,$data){
                                    return Db::table('fa_szxc_information_usermsg')->where('user_id',$data['user_id'])->value('name');
                                })->select();
            View::assign('detail', $detail);
            View::assign('admin_id', $this->adminInfo['id']);
            return view('nk/educationlive/read',['url'=>$this->url]);
        }else{
            throw new \think\exception\HttpException(404, '找不到页面');
        }
    }


    /**
     * 添加
     */
    function Add(){
        if (request()->isAjax()) {
            $params= get_params();
            $params['category_id']=$this->category_id;
            // unset($params['amp;']);
            $this->addArticle($params, function($aid)use($params){
                $params['article_id'] = $aid;
                return Db::table(self::ARTICLE_EDUCATION_LIVE)->strict(false)->field(true)->insertGetId($params);
            });
        }else{
            View::assign('editor', get_system_config('other','editor'));
            View::assign('url', $this->url);
            //        获取用户信息
            $this->users = Db::table('fa_szxc_information_usermsg')->where('status',1)->field('user_id,name')->select();
            View::assign('users', $this->users);
            $street = Db::table('fa_geo_area')->where(['switch' => 1, 'city_code' => '510500'])
                ->field('area_id id,area_code code,area_name name')
                ->select();
            View::assign('street', $street);
            return view('nk/educationlive/add');
        }
    }

    /**
     * 编辑 
     */
    function Edit(){
        $params= get_params();
        $aid = isset($params['id']) ? $params['id'] : 0;
        if (request()->isAjax()) {
            $this->updateEditData($params, $aid, function($param)use($aid){
                if (!empty($param['tags_id'])){
                    Db::table(self::ARTICLE_EDUCATION_LIVE)->where('article_id',$aid)->update(['tags_id'=>$param['tags_id']]);
                }
            });
            
        }else{

            $this->getEditData($params, $aid, function()use($aid){
                return Db::table(self::ARTICLE_EDUCATION_LIVE)->field('lesson_period,tag_ids as series_num')->where('article_id', $aid)->find();
            });

        }
        return view('nk/educationlive/edit',['url'=>$this->url]);
    }

    /**
     * 删除
     */
    function Del(){
        $param = get_params();
        $id = isset($param['id']) ? $param['id'] : 0;
        // $type = isset($param['type']) ? $param['type'] : 0;

        // 此处同时删除两个表
        $res = $this->delArticle($id, function($id){
             $vid = Db::table(self::ARTICLE_EDUCATION_LIVE)->where('article_id', $id)->value('id');
            if (!empty($vid)) {
                return Db::table(self::ARTICLE_EDUCATION_LIVE)->where('id', $vid)->delete();
            }else{
                return true;
            }
        });

        if ($res["code"]==1){
            return to_assign(1, $res['msg']);
        }else{
            return to_assign();
        }
    }
}