Yii2 basic version login uses Yii::$app->user->login($user); an error occurs-PHP Tutorial-php.cn

Yii2 basic version login uses Yii::$app->user->login($user); an error occurs

WBOY

Release： 2016-08-04 09:21:29

Original

2712 people have browsed it

Yii2 basic版登录使用Yii::$app->user->login($user);出现错误Array to string conversion

MyAuthenticationController.php

<code><?php

namespace app\controllers;

use Yii;
use yii\web\Controller;
use app\models\User;

class MyAuthenticationController extends Controller
{
    public function actionIndex()
    {
        echo 'login success'; exit;
    }
    public function actionLogin()
    {
        $error = null;
        $username = Yii::$app->request->post('username',null);
        $password = Yii::$app->request->post('password',null);

        $user = User::findOne(['username'=>$username]);

        if(($username!=null)&&($password!=null))
        {
            if($user!=null){
                if($user->validatePassword($password)){
                    $this->redirect(['index']);//这里可以实现重定向
//                    Yii::$app->user->login($user);这是源代码，但是会出现“Array to string conversion”的错误，暂时还没有解决，所以使用上面的重定向代码来转向指定登录成功的页面
                }else{
                    $error = 'Password validation failed';
                }
            }else{
                $error = 'User not found';
            }
        }
        return $this->render('login',['error'=>$error]);
    }

    public function actionLogout()
    {
        Yii::$app->user->logout();
        return $this->redirect(['login']);
    }
}</code>

Copy after login

app\models\User.php

<code><?php

namespace app\models;

use Yii;
use yii\base\NotSupportedException;
use yii\db\ActiveRecord;
use yii\web\IdentityInterface;


class User extends ActiveRecord implements IdentityInterface
{
    public static function tableName()
    {
        return 'user';
    }


    /**
     * @inheritdoc
     */
    public static function findIdentity($id)
    {
        return static::findOne(['id'=>$id]);
    }

    /**
     * @inheritdoc
     */
    public static function findIdentityByAccessToken($token, $type = null)
    {
        return static::findOne(['access_token'=>$token]);
    }

    /**
     * Finds user by username
     *
     * @param string $username
     * @return static|null
     */
    public static function findByUsername($username)
    {
        return static::findOne(['username'=>$username]);
    }

    /**
     * @inheritdoc
     */
    public function getId()
    {
        return $this->PrimaryKey();
    }

    /**
     * @inheritdoc
     */
    public function getAuthKey()
    {
        return $this->auth_Key;
    }

    /**
     * @inheritdoc
     */
    public function validateAuthKey($authKey)
    {
        return $this->getAuthKey() === $authKey;
    }

    /**
     * Validates password
     *
     * @param string $password password to validate
     * @return boolean if password provided is valid for current user
     */
    public function validatePassword($password)
    {
        return Yii::$app->security->validatePassword($password,$this->password_hash);
    }

    public function generateAuthKey()
    {
        $this->auth_key = Yii::$app->security->generateRandomKey();
    }

    public function beforeSave($insert)
    {
        if(parent::beforeSave($insert)){
            if($this->isNewRecord){
                $this->auth_key = \Yii::$app->security->generateRandomString();
            }
            return true;
        }
        return false;
    }
}</code>

Copy after login

views\my-authentication\login.php

<code><?php
use \yii\bootstrap\ActiveForm;
use \yii\helpers\Html;
use \yii\bootstrap\Alert;
?>

<?php
if($error!=null){
    echo Alert::widget(['options'=>['class'=>'alert-danger'],'body'=>$error]);
};
?>

<?php if(Yii::$app->user->isGuest) { ?>
    <?php ActiveForm::begin() ?>

    <div class="form-group">
        <?php echo Html::label('Username','username'); ?>
        <?php echo Html::textInput('username','',['class'=>'form-control']);?>
    </div>

    <div class="form-group">
        <?php echo Html::label('Password','password'); ?>
        <?php echo Html::passwordInput('password','',['class'=>'form-control']); ?>
    </div>

    <?php echo Html::submitButton('Login',['class'=>'btn btn-primary']); ?>

    <?php ActiveForm::end(); ?>

<?php }  else {?>
    <h2>You are authentication!</h2>
    <br/><br/>
    <?php echo Html::a('logout',['my-authentication/logout'],['class'=>'btn btn-warning']); ?>
<?php } ?></code>

Copy after login

<code>--
-- 表的结构 `user`
--

CREATE TABLE IF NOT EXISTS `user` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `username` varchar(255) NOT NULL,
  `auth_key` varchar(32) NOT NULL,
  `password_hash` varchar(255) NOT NULL,
  `access_token` varchar(100) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB  DEFAULT CHARSET=utf8 AUTO_INCREMENT=2 ;

--
-- 转存表中的数据 `user`
--

INSERT INTO `user` (`id`, `username`, `auth_key`, `password_hash`, `access_token`) VALUES
(1, 'foo', '', '$2a$12$hL0rmIMjxhLqI.xr7jD1FugNWEgZNh62HuJj5.y34XBUfBWB4cppW', NULL);</code>

Copy after login

用户名是foo，密码是foopassword,登录后在Yii::$app->user->login($user);时出现错误，
Yii2 basic version login uses Yii::$app->user->login($user); an error occurs

回复内容：

Yii2 basic版登录使用Yii::$app->user->login($user);出现错误Array to string conversion

MyAuthenticationController.php

<code><?php

namespace app\controllers;

use Yii;
use yii\web\Controller;
use app\models\User;

class MyAuthenticationController extends Controller
{
    public function actionIndex()
    {
        echo 'login success'; exit;
    }
    public function actionLogin()
    {
        $error = null;
        $username = Yii::$app->request->post('username',null);
        $password = Yii::$app->request->post('password',null);

        $user = User::findOne(['username'=>$username]);

        if(($username!=null)&&($password!=null))
        {
            if($user!=null){
                if($user->validatePassword($password)){
                    $this->redirect(['index']);//这里可以实现重定向
//                    Yii::$app->user->login($user);这是源代码，但是会出现“Array to string conversion”的错误，暂时还没有解决，所以使用上面的重定向代码来转向指定登录成功的页面
                }else{
                    $error = 'Password validation failed';
                }
            }else{
                $error = 'User not found';
            }
        }
        return $this->render('login',['error'=>$error]);
    }

    public function actionLogout()
    {
        Yii::$app->user->logout();
        return $this->redirect(['login']);
    }
}</code>

Copy after login

app\models\User.php

<code><?php

namespace app\models;

use Yii;
use yii\base\NotSupportedException;
use yii\db\ActiveRecord;
use yii\web\IdentityInterface;


class User extends ActiveRecord implements IdentityInterface
{
    public static function tableName()
    {
        return 'user';
    }


    /**
     * @inheritdoc
     */
    public static function findIdentity($id)
    {
        return static::findOne(['id'=>$id]);
    }

    /**
     * @inheritdoc
     */
    public static function findIdentityByAccessToken($token, $type = null)
    {
        return static::findOne(['access_token'=>$token]);
    }

    /**
     * Finds user by username
     *
     * @param string $username
     * @return static|null
     */
    public static function findByUsername($username)
    {
        return static::findOne(['username'=>$username]);
    }

    /**
     * @inheritdoc
     */
    public function getId()
    {
        return $this->PrimaryKey();
    }

    /**
     * @inheritdoc
     */
    public function getAuthKey()
    {
        return $this->auth_Key;
    }

    /**
     * @inheritdoc
     */
    public function validateAuthKey($authKey)
    {
        return $this->getAuthKey() === $authKey;
    }

    /**
     * Validates password
     *
     * @param string $password password to validate
     * @return boolean if password provided is valid for current user
     */
    public function validatePassword($password)
    {
        return Yii::$app->security->validatePassword($password,$this->password_hash);
    }

    public function generateAuthKey()
    {
        $this->auth_key = Yii::$app->security->generateRandomKey();
    }

    public function beforeSave($insert)
    {
        if(parent::beforeSave($insert)){
            if($this->isNewRecord){
                $this->auth_key = \Yii::$app->security->generateRandomString();
            }
            return true;
        }
        return false;
    }
}</code>

Copy after login

views\my-authentication\login.php

<code><?php
use \yii\bootstrap\ActiveForm;
use \yii\helpers\Html;
use \yii\bootstrap\Alert;
?>

<?php
if($error!=null){
    echo Alert::widget(['options'=>['class'=>'alert-danger'],'body'=>$error]);
};
?>

<?php if(Yii::$app->user->isGuest) { ?>
    <?php ActiveForm::begin() ?>

    <div class="form-group">
        <?php echo Html::label('Username','username'); ?>
        <?php echo Html::textInput('username','',['class'=>'form-control']);?>
    </div>

    <div class="form-group">
        <?php echo Html::label('Password','password'); ?>
        <?php echo Html::passwordInput('password','',['class'=>'form-control']); ?>
    </div>

    <?php echo Html::submitButton('Login',['class'=>'btn btn-primary']); ?>

    <?php ActiveForm::end(); ?>

<?php }  else {?>
    <h2>You are authentication!</h2>
    <br/><br/>
    <?php echo Html::a('logout',['my-authentication/logout'],['class'=>'btn btn-warning']); ?>
<?php } ?></code>

Copy after login

<code>--
-- 表的结构 `user`
--

CREATE TABLE IF NOT EXISTS `user` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `username` varchar(255) NOT NULL,
  `auth_key` varchar(32) NOT NULL,
  `password_hash` varchar(255) NOT NULL,
  `access_token` varchar(100) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB  DEFAULT CHARSET=utf8 AUTO_INCREMENT=2 ;

--
-- 转存表中的数据 `user`
--

INSERT INTO `user` (`id`, `username`, `auth_key`, `password_hash`, `access_token`) VALUES
(1, 'foo', '', '$2a$12$hL0rmIMjxhLqI.xr7jD1FugNWEgZNh62HuJj5.y34XBUfBWB4cppW', NULL);</code>

Copy after login

用户名是foo，密码是foopassword,登录后在Yii::$app->user->login($user);时出现错误，
Yii2 basic version login uses Yii::$app->user->login($user); an error occurs

<code>public function getId()
{
    return $this->getPrimaryKey();
}</code>

Copy after login

不是 PrimaryKey

Php8, I'm coming too

Learn website layout in 30 minutes

Shangguan Oracle Beginner to Proficient Video Tutorial

Your first line of UNI-APP code

Flutter from scratch to app launch

Brother Lian New Linux Video Tutorial

AXURE 9 Video Tutorial (Suitable for Product Manager Interactive Product Design UI)

Zero Basic Proficiency PS Video Tutorial

16 day UI video tutorial to get you started

PS Techniques and Slicing Techniques Video Tutorial

Alibaba Cloud Environment Construction and Project Launch Video Tutorial

Overview of Computer Networks - Basic Knowledge that Programmers Must Master

Essential Tutorial for Programmers - HTTP Protocol Explanation

Websocket Video Tutorial

Yii2 basic version login uses Yii::$app->user->login($user); an error occurs

回复内容：