图书管理系统
............\BookManage

............\..........\AssemblyInfo.cs
............\..........\bin
............\..........\...\Debug
............\..........\BookManage.csproj
............\..........\BookManage.csproj.user
............\..........\BookManage.sln
............\..........\BusinessLevel
............\..........\.............\Books.cs
............\..........\.............\Borrows.cs
............\..........\.............\InCommon.cs
............\..........\.............\publisher.cs
............\..........\.............\Reader.cs
............\..........\.............\User.cs
............\..........\DataLevel
............\..........\.........\DB.cs
............\..........\img

............\..........\obj
............\..........\...\Debug
............\..........\UILevel
............\..........\.......\Book.cs
............\..........\.......\Book.resx
............\..........\.......\Borrrow.cs
............\..........\.......\Borrrow.resx
............\..........\.......\Form1.cs
............\..........\.......\Form1.resx
............\..........\.......\IFUser.cs
............\..........\.......\IFUser.resx
............\..........\.......\index.cs
............\..........\.......\index.resx
............\..........\.......\Publish.cs
............\..........\.......\Publish.resx
............\..........\.......\Reader.cs
............\..........\.......\Reader.resx
............\..........\.......\SerachAll.cs
............\..........\.......\SerachAll.resx
............\DataBase
............\........\BookManage.mdf
............\........\BookManage_log.LDF