图书系统
........\.vscode
........\.......\settings.json
........\test
........\test.sln
........\test.suo
........\....\bin
........\....\...\Debug
........\....\...\.....\test.exe
........\....\...\.....\test.pdb
........\....\...\.....\test.vshost.exe
........\....\...\.....\test.vshost.exe.manifest
........\....\obj
........\....\...\x86
........\....\...\...\Debug
........\....\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
........\....\...\...\.....\TempPE
........\....\...\...\.....\test.csproj.FileListAbsolute.txt
........\....\...\...\.....\test.csprojResolveAssemblyReference.cache
........\....\...\...\.....\test.exe
........\....\...\...\.....\test.pdb
........\....\Program.cs
........\....\Properties
........\....\..........\AssemblyInfo.cs
........\....\test.csproj