istateExtand 用拓展方法 new 实例、、
public static class Istateextend
{
pulic static Istate CreatState(this Istate state){
return new state();
}
}
istateExtand 用拓展方法 new 实例、、
public static class Istateextend
{
pulic static Istate CreatState(this Istate state){
return new state();
}
}