Question

我正在使用laravel 4中包含的User类。我正在尝试存储属于用户的新问题，并且用户需要登录才能创建。当我调用问题控制器动作商店时，我收到以下错误

Class User contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (Illuminate\Auth\UserInterface::getAuthPassword, Illuminate\Auth\Reminders\RemindableInterface::getReminderEmail)

我已经在php中阅读了一些抽象方法，虽然我并不完全理解它们，但错误本身给出了问题的两个解决方案，声明了实现重映射方法的类摘要。我猜测，因为这是与laravel一起提供的模型类，正确的解决方案不是将其声明更改为抽象而是实现其余方法。在这种情况下如何正确地执行此操作并继续？

用户模型

<?php

use Illuminate\Auth\UserInterface;
use Illuminate\Auth\Reminders\RemindableInterface;

class User extends BaseModel implements UserInterface, RemindableInterface {

    protected $guarded = [];

    public static $rules = array(
        'username' => 'required|unique:users|alpha_dash|min:4',
        'password' => 'required|alpha_num|between:4,8|confirmed',
        'password_confirmation'=>'required|alpha_num|between:4,8' 
        );

    public function Questions($value='')
    {
        return $this->hasMany('Question');

    }

    /**
     * The database table used by the model.
     *
     * @var string
     */
    protected $table = 'users';

    /**
     * The attributes excluded from the model's JSON form.
     *
     * @var array
     */
    protected $hidden = array('password');

    /**
     * Get the unique identifier for the user.
     *
     * @return mixed
     */
    public function getAuthIdentifier()
    {
        return $this->getKey();
    }

    /**
     * Get the password for the user.
     *
     * @return string
     */
    public function getAuthPassword()
    {
        return $this->password;
    }

    /**
     * Get the e-mail address where password reminders are sent.
     *
     * @return string
     */
    public function getReminderEmail()
    {
        return $this->email;
    }

}

问题控制器

/**
     * Store a newly created resource in storage.
     *
     * @return Response
     */
    public function postStore()
    {
        $validation = Question::validate(Input::all());

        if($validation->passes()) {
            Question::create(array(
                'question'=>Input::get('question'),
                'user_id'=>Auth::user()->id
            ));

            return Redirect::Route('home')
            ->with('message', 'Your question has been posted.');

        } else {
            return Redirect::to('user/register')->withErrors($validation)
            ->withInput();
        }
    }

编辑1：错误信息包括'（Illuminate \ Auth \ UserInterface :: getAuthPassword，Illuminate \ Auth \ Reminders \ RemindableInterface :: getReminderEmail）'这两个方法在我的user.php中作为publice函数，如上所示那么我还需要做些其他事情来“实施”它们吗？

编辑2：

Laravel Src UserInterface Class

<?php namespace Illuminate\Auth;

interface UserInterface {

    /**
     * Get the unique identifier for the user.
     *
     * @return mixed
     */
    public function getAuthIdentifier();

    /**
     * Get the password for the user.
     *
     * @return string
     */
    public function getAuthPassword();

}

laravel src RemindableInterface类

<?php namespace Illuminate\Auth\Reminders;

interface RemindableInterface {

    /**
     * Get the e-mail address where password reminders are sent.
     *
     * @return string
     */
    public function getReminderEmail();

}

编辑3：

与错误报告相关的php.ini

; error_reporting
;   Default Value: E_ALL & ~E_NOTICE
;   Development Value: E_ALL | E_STRICT
;   Production Value: E_ALL & ~E_DEPRECATED

error_reporting = E_ALL 

; Eval the expression with current error_reporting().  Set to true if you want
; error_reporting(0) around the eval().
; http://php.net/assert.quiet-eval
;assert.quiet_eval = 0

basemodel class

<?php

class Basemodel extends Eloquent {

    public static function validate($data) {

        return Validator::make($data, static::$rules);
    }
}


?>

编辑4;

在提供错误时添加正确的模型类，以及现在如何使用修复

<?php

use Illuminate\Auth\UserInterface;
use Illuminate\Auth\Reminders\RemindableInterface;

class Question extends BaseModel implements UserInterface, RemindableInterface {

    protected $guarded = [];

    public static $rules = array(
            'questions'=>'required|min:10|max:255',
            //'solved'=>'in:0,1',
        );

    /**
     * The database table used by the model.
     *
     * @var string
     */
    protected $table = 'questions';

    /**
     * The attributes excluded from the model's JSON form.
     *
     * @var array
     */
    protected $hidden = array('');

    /**
     * Get the unique identifier for the question.
     *
     * @return mixed
     */
    public function getAuthIdentifier()
    {
        return $this->getKey();
    }

    public function user()
    {
        return $this->belongsTo('User');
    }

}

添加此内容以修复

/**
     * Get the password for the user.
     *
     * @return string
     */
    public function getAuthPassword()
    {
        return $this->password;
    }

    /**
     * Get the e-mail address where password reminders are sent.
     *
     * @return string
     */
    public function getReminderEmail()
    {
        return $this->email;
    }

Answer 1

也许用一个例子回答这个问题最简单。说我有以下课程：

abstract class ClassB {
    public abstract function foo();
}

class ClassA extends ClassB {}

$a = new ClassA();

运行此代码将导致以下错误：

Fatal error: Class ClassA contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (ClassB::foo)

这意味着我错过foo()中ClassB（在ClassA中定义）的实现。抽象方法只能在抽象类中定义，并且意味着任何非抽象派生类都必须公开一个完整的实现 - 在这种情况下ClassA不会。可以通过将ClassA更改为

来修复上述示例

class ClassA extends ClassB {

    // implementation of abstract ClassB::foo().
    public function foo() {
        echo 'Hello!';
    }
}

回到你的例子。您的User课程延长了BaseModel。根据{{1}}是否扩展另一个抽象类，它将包含两个定义为BaseModel的方法，而您的abstract类缺失。你需要找到这些方法 - 我的错误信息明确地告诉我我错过了什么 - 并在User中实现它们。

laravel抽象方法致命异常错误

1 个答案: