zhjwxt/niucloud/app/service/api/apiService/CourseService.php

<?php
// +----------------------------------------------------------------------
// | Niucloud-admin 企业快速开发的多应用管理平台
// +----------------------------------------------------------------------
// | 官方网址：https://www.niucloud.com
// +----------------------------------------------------------------------
// | niucloud团队 版权所有 开源版本可自由商用
// +----------------------------------------------------------------------
// | Author: Niucloud Team
// +----------------------------------------------------------------------

namespace app\service\api\apiService;

use app\model\course_schedule\CourseSchedule;
use app\model\person_course_schedule\PersonCourseSchedule;
use app\model\course\Course;
use core\base\BaseApiService;
use think\Model;
use think\facade\Db;

/**
 * 员工服务层
 * Class MemberService
 * @package app\service\api\member
 */
class CourseService extends BaseApiService
{
    public function __construct()
    {
        parent::__construct();
        $this->model = new Course();
    }

    //获取教研管理文章列表
    public function list($id,$data)
    {
        $where = [];
        if ($data['schedule_date']) {
            $where[] = ['course_date','=', $data['schedule_date']];
        }
        $CourseSchedule = new CourseSchedule();
        $search_model = $CourseSchedule
            ->where('coach_id', $id)
            ->where($where)
            ->with(['course' => function($query) {
                $query->select();
            },'venue' => function($query) {
                $query->select();
            }]);
        $list = $this->pageQuery($search_model);
        $PersonCourseSchedule = new PersonCourseSchedule();
        foreach ($list['data'] as $k => $v) {
            $student = Db::name('person_course_schedule')
                ->alias('pcs')
                ->where('pcs.schedule_id', $v['id']) // 建议加上表别名避免冲突
                ->join('school_student st', 'pcs.student_id = st.id')
                ->join('school_customer_resources cr', 'st.user_id = cr.id')
                ->join('school_member sm', 'cr.member_id = sm.member_id')
                ->field('st.name, sm.headimg as avatar') // 👈 正确方式取字段
                ->select();
            $list['data'][$k]['student'] = $student;
        }
        return $list;
    }
}