PHP CDbConnection

throw new CDbException(Yii::t('yii','CDbConnection failed to open the DB connection: {error}',
这句话哪有问题？谢谢！

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缺括号

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CDbException
描述
CDbConnection 无法开启数据库连线: SQLSTATE[28000] [1045] Access denied for user 'zs6411'@'localhost' (using password: YES)

源文件
E:\TopShare\htdocs\yii\framework\db\CDbConnection.php(255)

00243:        {
00244:            if(empty($this->connectionString))
00245:                throw new CDbException(Yii::t('yii','CDbConnection.connectionString cannot be empty.'));
00246:            try
00247:            {
00248:                Yii::trace('Opening DB connection','system.db.CDbConnection');
00249:                $this->_pdo=$this->createPdoInstance();
00250:                $this->initConnection($this->_pdo);
00251:                $this->_active=true;
00252:            }
00253:            catch(PDOException $e)
00254:    &nb