/**
* 获取SlaveDB连接
*/
protected function _getSlaveDB()
{
if (null == $this->_oSlaveDB) {
$iStartTime = microtime(true);
if ($this->_bStrictMaster) {
$this->_oSlaveDB = Util_Common::getDb($this->_sDbName, 'master');
} else {
$this->_oSlaveDB = Util_Common::getDb($this->_sDbName, 'salve');
}
self::$_iConnentTime += round((microtime(true) - $iStartTime) * 1000, 2);
}
return $this->_oSlaveDB;
}