三层架构的一个例子 很通俗的讲述了三层的基本结构 代码命名规范注释详细

ThreeLayerTest\AccessDAL\AccessDAL.csproj
..............\.........\bin\Debug\AccessDAL.dll
..............\.........\...\.....\AccessDAL.pdb
..............\.........\...\.....\IDAL.dll
..............\.........\...\.....\IDAL.pdb
..............\.........\...\.....\IDAL.xml
..............\.........\...\Release\AccessDAL.dll
..............\.........\...\.......\AccessDAL.pdb
..............\.........\...\.......\IDAL.dll
..............\.........\...\.......\IDAL.pdb
..............\.........\DataAccess.cs
..............\.........\obj\Debug\AccessDAL.csproj.FileListAbsolute.txt
..............\.........\...\.....\AccessDAL.dll
..............\.........\...\.....\AccessDAL.pdb
..............\.........\...\.....\ResolveAssemblyReference.cache
..............\.........\...\Release\AccessDAL.csproj.FileListAbsolute.txt
..............\.........\...\.......\AccessDAL.dll
..............\.........\...\.......\AccessDAL.pdb
..............\.........\...\.......\ResolveAssemblyReference.cache
..............\.........\Properties\AssemblyInfo.cs
..............\BLL\bin\Debug\BLL.dll
..............\...\...\.....\BLL.pdb
..............\...\...\.....\IDAL.dll
..............\...\...\.....\IDAL.pdb
..............\...\...\.....\IDAL.xml
..............\...\...\.....\Model.dll
..............\...\...\.....\Model.pdb
..............\...\BLL.csproj
..............\...\DaL.cs
..............\...\GoodsSort.cs
..............\...\InputBill.cs
..............\...\obj\Debug\BLL.csproj.FileListAbsolute.txt
..............\...\...\.....\BLL.dll
..............\...\...\.....\BLL.pdb
..............\...\...\.....\Refactor\BLL.dll
..............\...\...\.....\ResolveAssemblyReference.cache
..............\...\...\Release\build.force
..............\...\OutputBill.cs
..............\...\Properties\AssemblyInfo.cs
..............\...\StockCheck.cs
..............\...\Test.cs
..............\IDAL\bin\Debug\IDAL.dll
..............\....\...\.....\IDAL.pdb
..............\....\...\.....\IDAL.XML
..............\....\...\Release\IDAL.dll
..............\....\...\.......\IDAL.pdb
..............\....\DALInterface.csproj
..............\....\IDAL.cs
..............\....\obj\DALInterface.csproj.UnmanagedRegistration.cache
..............\....\...\.ebug\DALInterface.csproj.FileListAbsolute.txt
..............\....\...\.....\IDAL.csproj.FileListAbsolute.txt
..............\....\...\.....\IDAL.dll
..............\....\...\.....\IDAL.pdb
..............\....\...\.....\Refactor\IDAL.dll
..............\....\...\Release\DALInterface.csproj.FileListAbsolute.txt
..............\....\...\.......\IDAL.dll
..............\....\...\.......\IDAL.pdb
..............\....\Properties\AssemblyInfo.cs
..............\Model\bin\Debug\Model.dll
..............\.....\...\.....\Model.pdb
..............\.....\GoodsSortModel.cs
..............\.....\Model.csproj
..............\.....\obj\Debug\Model.csproj.FileListAbsolute.txt
..............\.....\...\.....\Model.dll
..............\.....\...\.....\Model.pdb
..............\.....\...\.....\Refactor\Model.dll
..............\.....\Properties\AssemblyInfo.cs
..............\Setup1\Debug\setup.exe
..............\......\.....\Setup1.msi
..............\......\Setup1.vdproj
..............\.QLDAL\bin\Debug\IDAL.dll
..............\......\...\.....\IDAL.pdb
..............\......\...\.....\IDAL.xml
..............\......\...\.....\SQLDAL.dll
..............\......\...\.....\SQLDAL.pdb
..............\......\DataAccess.cs
..............\......\obj\Debug\ResolveAssemblyReference.cache
..............\......\...\.....\SQLDAL.csproj.FileListAbsolute.txt
..............\......\...\.....\SQLDAL.csproj.GenerateResource.Cache
..............\......\...\.....\SQLDAL.dll
..............\......\...\.....\SQLDAL.pdb
..............\......\...\.....\SQLDAL.Properties.Resources.resources
..............\......\...\Release\build.force
..............\......\Properties\AssemblyInfo.cs
..............\......\..........\Resources.Designer.cs
..............\......\..........\Resources.resx
..............\......\..........\Settings.Designer.cs
..............\......\..........\Settings.settings
..............\......\SQLDAL.cs

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