public void RigisterEvent(string eventName, Action callback)
{
string publisherName = "Script.Publishers." + eventName + "Publisher";
Type publisherType = Type.GetType(publisherName, true, true); //语言特性，反射
if (!_publishers.ContainsKey(eventName))
{
var publisherObj = Activator.CreateInstance(publisherType);
_publishers.Add(eventName, publisherObj);
}
IPublisher tempPublisher = _publishers[eventName] as IPublisher;
tempPublisher.AddEvent(callback);
}