【问题标题】:FatalThrowableError:Argument 1 passed ..::fromUser() laravel 5.6FatalThrowableError:参数 1 已通过 ..::fromUser() laravel 5.6
【发布时间】:2019-07-02 18:46:51
【问题描述】:

我使用邮递员添加用户或登录,用户添加成功但我收到此错误

"传递给 Tymon\JWTAuth\JWT::fromUser() 的参数 1 必须是 Tymon\JWTAuth\Contracts\JWTSubject 的实例,App\User 的实例 给定,在 C:\Users\Web 中调用 WorkStation\Desktop\laravelapp\jwtlaravel\vendor\tymon\jwt-auth\src\JWTAuth.php 第 54 行"

我在这个 ligne 中找到了这个函数

 public function attempt(array $credentials)
    {
        if (! $this->auth->byCredentials($credentials)) {
            return false;
        }

        return $this->fromUser($this->user());
    }

这是我的用户模型:

    <?php

    namespace App;


    use Tymon\JWTAuth\Contracts\JWTSubject;
    use Illuminate\Notifications\Notifiable;
    use Illuminate\Foundation\Auth\User as Authenticatable;
    class User extends Authenticatable
    {
        use Notifiable;

        /**
         * The attributes that are mass assignable.
         *
         * @var array
         */
        protected $fillable = [
            'name', 'email', 'password','username','lastname','tel','tel',
        ];

        /**
         * The attributes that should be hidden for arrays.
         *
         * @var array
         */
        protected $hidden = [
            'password', 'remember_token',
        ];
        public function getJWTIdentifier()
        {
            return $this->getKey();
        }

        /**
         * Return a key value array, containing any custom claims to be added to the JWT.
         *
         * @return array
         */
        public function getJWTCustomClaims()
        {
            return [];
        }
    }
and this my register controller

<?php

namespace App\Http\Controllers;
use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\User;
use JWTFactory;
use JWTAuth;
use Validator;
use Response;

class APIRegisterController extends Controller
{
    //
    public function register( Request $request){
        $validator = Validator::make($request -> all(),[
         'email' => 'required|string|email|max:255|unique:users',
         'username' =>'required',
         'tel' => 'required',
         'name' => 'required',
         'lastname' => 'required',
         'adress' => 'required',
         'password'=> 'required'
        ]);

        if ($validator -> fails()) {
            # code...
            return response()->json($validator->errors());

        }

        User::create([
            'name' => $request->get('name'),
            'email' => $request->get('email'),
            'tel' => $request->get('tel'),
            'username' => $request->get('username'),
            'lastname' => $request->get('lastname'),
            'adress' => $request->get('adress'),
            'password'=> bcrypt($request->get('password'))
        ]);
        $user = User::first();
        $token = JWTAuth::fromUser($user);

        return Response::json( compact('token'));


    }
}

【问题讨论】:

    标签: php laravel jwt laravel-5.6


    【解决方案1】:

    在您的用户模型中实现JWTSubject

    class User extends Authenticatable implements JWTSubject
    

    【讨论】:

    • 谢谢我的问题解决了,现在我得到 {"token": null} 但用户被添加到数据库中?我能做什么?
    • 很高兴它有帮助。你跑php artisan jwt:secret了吗?
    【解决方案2】:

    这要求User Model 在你的模型中实现这个契约:

    use Tymon\JWTAuth\Contracts\JWTSubject;
    
    class User extends Model implements JWTSubject {
    

    或者

    你必须更新你的User model 来实现Tymon\JWTAuth\Contracts\JWTSubject 接口:

    use Tymon\JWTAuth\Contracts\JWTSubject;
    
    class User extends Model implements JWTSubject{
        /**
         * Get the identifier that will be stored in the subject claim of the JWT.
         *
         * @return mixed
         */
        public function getJWTIdentifier()
        {
            return $this->getKey();
        }
    
        /**
         * Return a key value array, containing any custom claims to be added to the JWT.
         *
         * @return array
         */
        public function getJWTCustomClaims()
        {
            return [];
        }
    }
    

    【讨论】:

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