本文主要是介绍UE4/UE5 日志插件（基于spdlog），希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
1 解决问题
对于高频日志序列化到本地的需求，spdlog肯定完美满足。
源码地址：https://github.com/gabime/spdlog
博主下载的版本为 spdlog-1.12.0，各位大佬可以根绝自己爱好选择。
2 过程介绍
大概目录：
SpdlogLibC目录下是对spdlog的封装：
bin里是.dll，lib放是.lib，include是.h文件。
SpdLoggerLib.Build.cs文件内容：
// Copyright Epic Games, Inc. All Rights Reserved.using UnrealBuildTool;
using System.IO;public class SpdLoggerLib : ModuleRules
{private string OuterLibPath{get { return Path.GetFullPath(Path.Combine(ModuleDirectory, "SpdlogLibC/")); }}public SpdLoggerLib(ReadOnlyTargetRules Target) : base(Target){PCHUsage = ModuleRules.PCHUsageMode.UseExplicitOrSharedPCHs;PublicIncludePaths.AddRange(new string[] { });PrivateIncludePaths.AddRange(new string[] {// ... add other private include paths required here ...});PublicDependencyModuleNames.AddRange(new string[]{"Core","Projects"// ... add other public dependencies that you statically link with here ...});PrivateDependencyModuleNames.AddRange(new string[]{"CoreUObject","Engine","InputCore"// ... add private dependencies that you statically link with here ... });DynamicallyLoadedModuleNames.AddRange(new string[]{// ... add any modules that your module loads dynamically here ...});if (Target.Platform == UnrealTargetPlatform.Win64){string LibPath = OuterLibPath + "lib/x64/";string DllPath = OuterLibPath + "bin/x64/";string IncludePath = OuterLibPath + "include/";PublicSystemIncludePaths.AddRange(new string[] {IncludePath});foreach (string file in Directory.GetFiles(LibPath)){PublicAdditionalLibraries.Add(file);}foreach (string file in Directory.GetFiles(DllPath)){string filename = Path.GetFileName(file);string outdll = "$(TargetOutputDir)/";outdll += filename;RuntimeDependencies.Add(outdll, file);}}else if (Target.Platform == UnrealTargetPlatform.Mac) { }else if (Target.Platform == UnrealTargetPlatform.Linux) { }}
}3 使用简介
将插件拷贝到您的项目插件目录下：
蓝图里直接使用：
产生的日志在您的项目content根目录下：
4 插件特点
- 屏蔽大量实现细节，只暴露一个接口到蓝图；
- 足够高效，继承了spdlog的多线程、高并发；
- 封装的原生dll库不区分debug和release，实用性更广。
5 下载地址
UE4/5高并发日志插件资源-CSDN文库
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