前言

UE已经封装好了ini的读写功能，我们只需要简单几步就可以读写ini文件

1、新建C++文件

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这里我们选择Blueprint Function Library类型

2、编写代码

2.1 头文件h文件

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

#pragma once

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

/**
 * 
 */
UCLASS()
class SKILLDEMO_API URwTxtFiles : public UBlueprintFunctionLibrary
{
    
    
	GENERATED_BODY()
	
public:


	UFUNCTION(BlueprintCallable, Category = "Read and Write File")
	static void ReadIniValue(FString Section,FString inKey, FString& outValue);

	UFUNCTION(BlueprintCallable, Category = "Read and Write File")
	static bool WriteIni(FString newSection, FString newKey, FString newValue);



};

2.2 cpp文件

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


#include "RwTxtFiles.h"
#include "FileHelpers.h"


void URwTxtFiles::ReadIniValue(FString Sectoin, FString inKey, FString& outValue)
{
    
    
	if (!GConfig)
		return;

	GConfig->GetString(*Sectoin, *inKey, outValue, GGameIni);

}

bool URwTxtFiles::WriteIni(FString newSection, FString newKey, FString newValue)
{
    
    
	if(!GConfig)
		return false;

	GConfig->SetString(*newSection,*newKey,*newValue,GGameIni);
	return true

}