Yii用户登录protected\components\UserIdentity.php文件：?123456789101

protected\components\UserIdentity.php文件：

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classUserIdentityextendsCUserIdentity
{

private$_id;

publicfunctionauthenticate()
{

$record=User::model()->findByAttributes(array('username'=>$this->username));

if($record===null)
$this->errorCode=self::ERROR_USERNAME_INVALID;
elseif($record->password!==md5($this->password))
$this->errorCode=self::ERROR_PASSWORD_INVALID;
else{
$this->_id=$record->id;
$this->setState('title',$record->title);
$this->errorCode=self::ERROR_NONE;
}

return!$this->errorCode;
}

publicfunctiongetId()
{
return$this->_id;
}
}

Model：

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$identity=newUserIdentity($this->username,$this->password);

if($identity->authenticate())
Yii::app()->user->login($identity);
else
echo$identity->errorMessage;

// 注销当前用户
Yii::app()->user->logout();

// 保留用户登陆状态时间7天
// 确保用户部件的allowAutoLogin被设置为true。
//Yii::app()->user->login($identity,3600*24*7);