autocde2.0/app/Models/Department.php

<?php
/**
 * Created by IntelliJ IDEA.
 * User: kelyliang
 * Date: 2024/2/18
 * Time: 下午 03:52
 */

namespace App\Models;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Department extends Model
{
    use HasFactory;

    protected $table = 'department';

    // 设置主键（可选，默认是'id'）
    protected $primaryKey = 'id';

    // 定义允许批量赋值的字段（可选）
    protected $fillable = ['name', 'parent_id','manager_id'];


    // 例如，一个部门可能有多个子部门
    public function children()
    {
        return $this->hasMany(Department::class, 'parent_id');
    }

    // 或者，一个部门可能属于另一个部门
    public function parent()
    {
        return $this->belongsTo(Department::class, 'parent_id');
    }

}