UPROPERTY 宏的作用

UPROPERTY 是在ObjectBase.h  文件中定义的

// These macros wrap metadata parsed by the Unreal Header Tool, and are otherwise// ignored when code containing them is compiled by the C++ compiler#define UPROPERTY(...)#define UFUNCTION(...)#define USTRUCT(...)#define UMETA(...)#define UPARAM(...)#define UENUM(...)#define UDELEGATE(...)