加入备忘录模式
This commit is contained in:
Micooz
parent
1e66d6dc3d
commit
66ff26ae24
@ -35,6 +35,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "StatePattern", "StatePatter
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ObserverPattern", "ObserverPattern\ObserverPattern.vcxproj", "{052C8FBE-6E06-4869-B779-B5AF6D5AEC65}"
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "MementoPattern", "MementoPattern\MementoPattern.vcxproj", "{9727E0D3-66C5-4812-B13C-DC4C1F06ACAD}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Win32 = Debug|Win32
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@ -105,6 +107,10 @@ Global
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{052C8FBE-6E06-4869-B779-B5AF6D5AEC65}.Debug|Win32.Build.0 = Debug|Win32
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{052C8FBE-6E06-4869-B779-B5AF6D5AEC65}.Release|Win32.ActiveCfg = Release|Win32
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{052C8FBE-6E06-4869-B779-B5AF6D5AEC65}.Release|Win32.Build.0 = Release|Win32
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{9727E0D3-66C5-4812-B13C-DC4C1F06ACAD}.Debug|Win32.ActiveCfg = Debug|Win32
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{9727E0D3-66C5-4812-B13C-DC4C1F06ACAD}.Debug|Win32.Build.0 = Debug|Win32
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{9727E0D3-66C5-4812-B13C-DC4C1F06ACAD}.Release|Win32.ActiveCfg = Release|Win32
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{9727E0D3-66C5-4812-B13C-DC4C1F06ACAD}.Release|Win32.Build.0 = Release|Win32
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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Binary file not shown.
79
MementoPattern/MementoPattern.cpp
Normal file
79
MementoPattern/MementoPattern.cpp
Normal file
@ -0,0 +1,79 @@
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#include <iostream>
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#include <string>
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using namespace std;
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class Memento {
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private:
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friend class Originator;
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Memento(const string& st) {
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_st = st;
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}
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void SetState(const string& st) {
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_st = st;
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}
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string GetState() {
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return _st;
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}
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private:
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string _st;
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};
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class Originator {
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public:
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Originator() {
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_mt = nullptr;
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}
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Originator(const string &st) {
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_st = st;
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_mt = nullptr;
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}
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Memento* CreateMemento() {
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return new Memento(_st);
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}
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void SetMemento(Memento* mt) {
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_mt = mt;
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}
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void RestoreToMemento(Memento* mt) {
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_st = mt->GetState();
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}
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string GetState() {
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return _st;
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}
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void SetState(const string& st) {
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_st = st;
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}
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void PrintState() {
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cout << _st << "..." << endl;
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}
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private:
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string _st;
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Memento *_mt;
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};
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int main() {
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Originator *o = new Originator();
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o->SetState("old");
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o->PrintState();
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Memento *m = o->CreateMemento();
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o->SetState("new");
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o->PrintState();
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o->RestoreToMemento(m);
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o->PrintState();
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delete o;
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delete m;
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return 0;
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}
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84
MementoPattern/MementoPattern.vcxproj
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84
MementoPattern/MementoPattern.vcxproj
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@ -0,0 +1,84 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup Label="ProjectConfigurations">
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<ProjectConfiguration Include="Debug|Win32">
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<Configuration>Debug</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|Win32">
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<Configuration>Release</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<ProjectGuid>{9727E0D3-66C5-4812-B13C-DC4C1F06ACAD}</ProjectGuid>
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<Keyword>Win32Proj</Keyword>
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<RootNamespace>MementoPattern</RootNamespace>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v120</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v120</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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<ImportGroup Label="ExtensionSettings">
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<PropertyGroup Label="UserMacros" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<LinkIncremental>true</LinkIncremental>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<LinkIncremental>false</LinkIncremental>
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</PropertyGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<ClCompile>
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<PrecompiledHeader>
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</PrecompiledHeader>
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<WarningLevel>Level3</WarningLevel>
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<Optimization>Disabled</Optimization>
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<PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<PrecompiledHeader>
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</PrecompiledHeader>
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<Optimization>MaxSpeed</Optimization>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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</Link>
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</ItemDefinitionGroup>
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<ItemGroup>
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<ClCompile Include="MementoPattern.cpp" />
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</ItemGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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<ImportGroup Label="ExtensionTargets">
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</ImportGroup>
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</Project>
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22
MementoPattern/MementoPattern.vcxproj.filters
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22
MementoPattern/MementoPattern.vcxproj.filters
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@ -0,0 +1,22 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup>
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<Filter Include="源文件">
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<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
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<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
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</Filter>
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<Filter Include="头文件">
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<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
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<Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
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</Filter>
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<Filter Include="资源文件">
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<UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
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<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
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</Filter>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="MementoPattern.cpp">
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<Filter>源文件</Filter>
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</ClCompile>
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</ItemGroup>
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</Project>
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