spa-api/app/Models/UserModal.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\HasOne;

/**
 * 用户表
 */
class UserModal extends Model
{
    //
    protected $table = 'users';

    protected $guarded  = [];

    /**
     * 项目关联 - 上传视角
     * @return HasMany
     */
    public function projects(): HasMany
    {
        return $this->hasMany(ProjectModal::class, 'user_id', 'id');
    }

    /**
     * 项目关联 - 作者视角
     * @return HasMany
     */
    public function projectsAuthor(): HasMany
    {
        return $this->hasMany(ProjectModal::class, 'author_id', 'id');
    }

    /**
     * 角色关联
     * @return HasOne
     */
    public function roles(): HasOne
    {
        return $this->hasOne(RoleModal::class, 'id', 'role_id');
    }
}