简单工厂-范例\ConsoleApplication1\bin\Debug\ConsoleApplication1.exe
.............\...................\...\.....\ConsoleApplication1.pdb
.............\...................\...\.....\ConsoleApplication1.vshost.exe
.............\...................\ConsoleApplication1.csproj
.............\...................\obj\ConsoleApplication1.csproj.FileList.txt
.............\...................\...\Debug\ConsoleApplication1.exe
.............\...................\...\.....\ConsoleApplication1.pdb
.............\...................\Operation.cs
.............\...................\OperationAdd.cs
.............\...................\OperationDiv.cs
.............\...................\OperationFactory.cs
.............\...................\OperationMul.cs
.............\...................\OperationSub.cs
.............\...................\Program.cs
.............\...................\...perties\AssemblyInfo.cs
.............\ConsoleApplication1.sln
.............\ConsoleApplication1.suo
.............\...................\obj\Debug\Refactor
.............\...................\...\.....\TempPE
.............\...................\bin\Debug
.............\...................\obj\Debug
.............\...................\bin
.............\...................\obj
.............\...................\Properties
.............\ConsoleApplication1
简单工厂-范例