UE4C++ Http下载文件

最新推荐文章于 2025-03-29 10:45:51 发布

Ez_coder

最新推荐文章于 2025-03-29 10:45:51 发布

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分类专栏： UE4C++ 文章标签： ue4 c++ http

本文链接：https://blog.youkuaiyun.com/Ez_coder/article/details/124825845

版权

成果
在这里插入图片描述
功能:点击一个按钮可以远程下载文件并看得到进度条

先上代码
.h文件

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

#pragma once

#include "CoreMinimal.h"
#include "UObject/Object.h"
#include "Interfaces/IHttpRequest.h"
#include "RuntimeFilesDownloaderLibrary.generated.h"

/**
 * 
 */
UENUM(BlueprintType, Category = "Runtime Files Downloader")
enum DownloadResult
{
   
	SuccessDownloading UMETA(DisplayName = "Success"),
	DownloadFailed UMETA(DisplayName = "Download failed"),
	SaveFailed UMETA(DisplayName = "Save failed"),
	DirectoryCreationFailed UMETA(DisplayName = "Directory creation failed")
};
DECLARE_DYNAMIC_MULTICAST_DELEGATE_ThreeParams(FOnFilesDownloaderProgress, const int32, BytesSent, const int32, BytesReceived,
											   const int32, ContentLength);

/**
 
 */
DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnFilesDownloaderResult, TEnumAsByte < DownloadResult >, Result);

UCLASS()
class DOWNLOAD_API URuntimeFilesDownloaderLibrary : public UObject
{
   
	GENERATED_BODY()
public:
	UPROPERTY(BlueprintAssignable, Category = "Runtime Files Downloader")
	FOnFilesDownloaderProgress OnProgress;

	/**
	
	 */
	UPROPERTY(BlueprintAssignable

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