可继承单例模板类，测试

Demo/main.cpp

@@ -60,10 +60,12 @@ void test_csv()
 		std::stringstream str_stream(str_line);
 		while (std::getline(str_stream, str_grid, ','))
 		{
-			std::cout << str_grid << std::endl;
+			std::cout << str_grid << " ";
 		}
+
 		std::cout << std::endl;	
 	}
+
 	file.close();
 }
 

TdGame/TdGame.vcxproj

@@ -119,17 +119,24 @@
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <AdditionalIncludeDirectories>..\ThirdParty\cJSON\include;..\ThirdParty\SDL2\include;..\ThirdParty\SDL2_gfx\include;..\ThirdParty\SDL2_image\include;..\ThirdParty\SDL2_mixer\include;..\ThirdParty\SDL2_ttf\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
       <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalLibraryDirectories>..\ThirdParty\SDL2\lib\x64;..\ThirdParty\SDL2_gfx\lib\x64;..\ThirdParty\SDL2_image\lib\x64;..\ThirdParty\SDL2_mixer\lib\x64;..\ThirdParty\SDL2_ttf\lib\x64;..\ThirdParty\cJSON\lib\x64;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>SDL2.lib;SDL2main.lib;SDL2_gfx.lib;SDL2_image.lib;SDL2_mixer.lib;SDL2_ttf.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="main.cpp" />
   </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="game_manager.h" />
+    <ClInclude Include="manager.h" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

TdGame/TdGame.vcxproj.filters

@@ -13,10 +13,21 @@
       <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
       <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
     </Filter>
+    <Filter Include="头文件\manager">
+      <UniqueIdentifier>{f50376ab-e971-4317-8a3c-da0f2703263e}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="main.cpp">
       <Filter>源文件</Filter>
     </ClCompile>
   </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="game_manager.h">
+      <Filter>头文件\manager</Filter>
+    </ClInclude>
+    <ClInclude Include="manager.h">
+      <Filter>头文件\manager</Filter>
+    </ClInclude>
+  </ItemGroup>
 </Project>

TdGame/game_manager.h

@@ -0,0 +1,24 @@
+#pragma once
+#ifndef _GAME_MANAGER_H_
+#define _GAME_MANAGER_H_
+
+#include "manager.h"
+
+class GameManager : public Manager<GameManager>
+{
+	friend class Manager<GameManager>;
+
+public:
+
+
+protected:
+	GameManager()
+	{
+	}
+	~GameManager()
+	{
+	}
+};
+
+
+#endif

TdGame/main.cpp

@@ -1,7 +1,14 @@
 #include<iostream>
 
+#include "manager.h"
+#include "game_manager.h"
+
+
+
 int main()
 {
+	GameManager* instance = GameManager::instance();
+
 	std::cout << "Hello World!" << std::endl;
 	return 0;
 }

TdGame/manager.h

@@ -0,0 +1,32 @@
+#pragma once
+#ifndef _MANAGER_H_
+#define _MANAGER_H_
+
+template <typename T>
+class Manager
+{
+public:
+	static T* instance()
+	{
+		if (!manager)
+			manager = new T();
+		
+		return manager;
+	}
+
+
+private:
+	static T* manager;
+
+protected:
+	Manager() = default;
+	~Manager() = default;
+
+	Manager(const Manager&) = delete;//删除拷贝构造函数
+	Manager& operator=(const Manager&) = delete;//删除赋值操作符
+};
+
+template <typename T>
+T* Manager<T>::manager = nullptr;
+
+#endif