UE4：Log自定义Category

自定义Category

头文件中

DECLARE_LOG_CATEGORY_EXTERN(CategoryName, DefaultVerbosity, CompileTimeVerbosity);

CategoryName就是Category名字
DefaultVerbosity是Log的默认显示级别，比如Display
CompileTimeVerbosity，编译器的Log级别
Log级别详见另一篇

源文件中

DEFINE_LOG_CATEGORY(CategoryName);

示例代码

ObjectToLuaParser.h中：

DECLARE_LOG_CATEGORY_EXTERN(LogObjectToLua, Log, All);

ObjectToLuaParser.cpp中：

DEFINE_LOG_CATEGORY(LogObjectToLua);

UE_LOG(LogObjectToLua, Warning, TEXT("Unrecognized Struct Property: %s"), *Property->GetName());