虚幻4文件读写

最新推荐文章于 2022-06-20 13:01:15 发布

魁梧的抠脚大汉

最新推荐文章于 2022-06-20 13:01:15 发布

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分类专栏：游戏开发；虚幻4 游戏开发

本文链接：https://blog.youkuaiyun.com/qq_16756235/article/details/111053937

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头文件

// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "Kismet/BlueprintFunctionLibrary.h"
#include "MyFileHelper.generated.h"

/**
 * 
 */
UCLASS()
class NEWVERSION_API UMyFileHelper : public UBlueprintFunctionLibrary
{
	GENERATED_BODY()
	
public:
	
	UFUNCTION(BlueprintCallable)
	static void ReadTexFile(const FString& relativePath, FString& outString);

	UFUNCTION(BlueprintCallable)
	static void SaveTexFile(const FString& relativePath, const FString& inString);

};

源文件

// Fill out your copyright notice in the Description page of Project Settings.


#include "MyFileHelper.h"
#include "Runtime/Core/Public/Misc/FileHelper.h"
#include "Runtime/Core/Public/Misc/Paths.h"

void UMyFileHelper::ReadTexFile(const FString& relativePath, FString& outString)
{
	if (relativePath.IsEmpty() == false)
	{
		FString absolutePath = FPaths::ProjectContentDir() + relativePath;
		//absolutePath = absolutePath.Replace(TEXT("/"), TEXT("\\"));
		FFileHelper::LoadFileToString(outString, absolutePath.GetCharArray().GetData());
	}
}

void UMyFileHelper::SaveTexFile(const FString& relativePath, const FString& inString)
{
	if (relativePath.IsEmpty() == false)
	{
		FString absolutePath = FPaths::ProjectContentDir() + relativePath;
		//absolutePath = absolutePath.Replace(TEXT("/"), TEXT("\\"));
		FFileHelper::SaveStringToFile(inString, absolutePath.GetCharArray().GetData());
	}
}

效果：