/**
* 初始化数据库
*
* @param array $config 数据库配置
*/
protected static function _init_mysql($config = array())
{
if ($config == NULL) {
$config = $GLOBALS['config']['db'];
}
if (!self::$db) {
self::$db = new mysqli($config['host'], $config['user'], $config['password'], $config['db_name']);
if (0 == self::$db->connect_errno) {
self::$db->set_charset('utf8');
} else {
echo 'MySQL connect error' . PHP_EOL;
}
}
}
