yii2 pdo mysql 乱码_YII2.0使用PDO连接Oracle库查询结果中文显示乱码问题
自己來解答，直接上代碼。
創建鏈接測試用小程序如下：
namespace app\models;
use Yii;
use yii\db\ActiveRecord;
use \yii\db\Connection;
class CmsSyncData extends ActiveRecord
{
/**
* @inheritdoc
*/
public function attributeLabels()
{
return [
'id' => '新聞ID',
];
}
/**
* @inheritdoc
*/
public static function getDb()
{
return new Connection([
'dsn' => 'oci:dbname=//localhost:portno/dbname;charset=utf8',
'username' => 'XXX',
'password' => 'XXX',
]);
}
/**
* Finds news by $id
*
* @param string $id
* @return static|null
*/
public static function findByNewsId($id)
{
$connection = self::getDb();
$command = $connection->createCommand('SELECT * FROM content_news WHERE id='.$id);
$result = $command->queryOne();
return $result;
}
}
需要改YII2.0的代碼：
\vendor\yiisoft\yii2\db\Connection.php
找到下面的函數，加上配置“, 'oci'”就可以了。
/**
* Initializes the DB connection.
* This method is invoked right after the DB connection is established.
* The default implementation turns on `PDO::ATTR_EMULATE_PREPARES`
* if [[emulatePrepare]] is true, and sets the database [[charset]] if it is not empty.
* It then triggers an [[EVENT_AFTER_OPEN]] event.
*/
protected function initConnection(){
$this->pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
if ($this->emulatePrepare !== null && constant('PDO::ATTR_EMULATE_PREPARES')) {
$this->pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, $this->emulatePrepare);
}
if ($this->charset !== null && in_array($this->getDriverName(), ['pgsql', 'mysql', 'mysqli', 'cubrid', 'oci'])) {
$this->pdo->exec('SET NAMES ' . $this->pdo->quote($this->charset));
}
$this->trigger(self::EVENT_AFTER_OPEN);
}
總結
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