UE4 UE_LOG

在头文件中加入

#pragma once

#include "GameFramework/Actor.h"
#include "FloatingActor.generated.h"
DECLARE_LOG_CATEGORY_EXTERN(YourLog, Log, All);

在cpp文件中加入

#include "FirstProject.h"
#include "FloatingActor.h"

DEFINE_LOG_CATEGORY(YourLog);

使用

UE_LOG(YourLog, Warning, TEXT("Test UE_LOG %d"), rand());