CX_OBJECT_DEF(typeName, baseType)
    //定义字段
    int filed;
CX_OBJECT_END(typeName, baseType)

CX_OBJECT_TYPE(typeName, baseType)
{
    //当类型被注册时调用
}
CX_OBJECT_INIT(typeName, baseType)
{
    //当对象被初始化
}
CX_OBJECT_FREE(typeName, baseType)
{
    //当对象被销毁时
}
CX_OBJECT_TERM(typeName, baseType)

cxAny object1 = CX_CREATE(typeName); //对象将放入自动释放池

cxAny object2 = CX_ALLOC(typeName);//对象不放入自动释放池，需要 CX_RELEASE释放

CX_RETAIN(object1); //引用计数＋1

CX_RELEASE(object2); //引用计数-1,当引用计数＝0时对象降被释放

CX_AUTO(object2);//加入自动释放池

CX_CAST(type,object);//类型转换 失败返回NULL

CX_INSTANCE_OF(obj,type);//判断对象类型
//