/**
* 获得 TTC2 句柄(仅支持批量取的TTC)
*
* @param string $key 资源的key
* @return TTC2 返回TTC2句柄
*/
public static function getTTC2($key)
{
self::clearERR();
self::init();
// 如果在前面已创建该 ttc 资源，则直接返回
if (isset(self::$TTC2ResMap[$key])) {
return self::$TTC2ResMap[$key];
}
// 判断参数
if (!isset(self::$TTCCfg[$key])) {
self::$errCode = 20000;
self::$errMsg = "no TTC config info for key {$key}";
return false;
}
// cache 配置
$cfg = self::$TTCCfg[$key];
$ttc = new TTC2($cfg);
// 保存到类属性中
self::$TTC2ResMap[$key] = $ttc;
return self::$TTC2ResMap[$key];
}
