不使用数据库，利用Dictionary和List完成增删改操作
修改密码操作后不能记住修改后密码。。。还需要完善
资源文件列表
superMarket/superMarket/bin/Debug/superMarket.exe , 2027520
superMarket/superMarket/bin/Debug/superMarket.pdb , 126464
superMarket/superMarket/bin/Debug/superMarket.vshost.exe , 11600
superMarket/superMarket/bin/Debug/superMarket.vshost.exe.manifest , 490
superMarket/superMarket/Data.cs , 1037
superMarket/superMarket/DBHelper.cs , 160
superMarket/superMarket/frmChangePwd.cs , 2275
superMarket/superMarket/frmChangePwd.Designer.cs , 5187
superMarket/superMarket/frmChangePwd.resx , 5817
superMarket/superMarket/frmHelp.cs , 384
superMarket/superMarket/frmHelp.Designer.cs , 3345
superMarket/superMarket/frmHelp.resx , 5817
superMarket/superMarket/frmLogin.cs , 2911
superMarket/superMarket/frmLogin.Designer.cs , 7444
superMarket/superMarket/frmLogin.resx , 5817
superMarket/superMarket/frmprice.cs , 367
superMarket/superMarket/frmprice.Designer.cs , 2402
superMarket/superMarket/frmprice.resx , 5817
superMarket/superMarket/frmSupermarketMain.cs , 6591
superMarket/superMarket/frmSupermarketMain.Designer.cs , 15678
superMarket/superMarket/frmSupermarketMain.resx , 6188
superMarket/superMarket/frmsuperMarkrt.cs , 2295
superMarket/superMarket/frmsuperMarkrt.Designer.cs , 8193
superMarket/superMarket/frmsuperMarkrt.resx , 6188
superMarket/superMarket/inthing.cs , 827
superMarket/superMarket/Manage.cs , 1920
superMarket/superMarket/obj/x86/Debug/DesignTimeResolveAssemblyReferences.cache , 5420
superMarket/superMarket/obj/x86/Debug/DesignTimeResolveAssemblyReferencesInput.cache , 7517
superMarket/superMarket/obj/x86/Debug/superMarket.csproj.FileListAbsolute.txt , 2751
superMarket/superMarket/obj/x86/Debug/superMarket.csproj.GenerateResource.Cache , 2002
superMarket/superMarket/obj/x86/Debug/superMarket.csprojResolveAssemblyReference.cache , 15255
superMarket/superMarket/obj/x86/Debug/superMarket.exe , 2027520
superMarket/superMarket/obj/x86/Debug/superMarket.frmChangePwd.resources , 180
superMarket/superMarket/obj/x86/Debug/superMarket.frmHelp.resources , 180
superMarket/superMarket/obj/x86/Debug/superMarket.frmLogin.resources , 180
superMarket/superMarket/obj/x86/Debug/superMarket.frmprice.resources , 180
superMarket/superMarket/obj/x86/Debug/superMarket.frmSupermarketMain.resources , 180
superMarket/superMarket/obj/x86/Debug/superMarket.frmsuperMarkrt.resources , 180
superMarket/superMarket/obj/x86/Debug/superMarket.pdb , 126464
superMarket/superMarket/obj/x86/Debug/superMarket.Properties.Resources.resources , 1991608
superMarket/superMarket/obj/x86/Debug/superMarket.添加商品.resources , 180
superMarket/superMarket/obj/x86/Debug/superMarket.添加管理员.resources , 180
superMarket/superMarket/obj/x86/Debug/TempPE/Properties.Resources.Designer.cs.dll , 6144
superMarket/superMarket/Program.cs , 495
superMarket/superMarket/Properties/AssemblyInfo.cs , 1354
superMarket/superMarket/Properties/Resources.Designer.cs , 6070
superMarket/superMarket/Properties/Resources.resx , 8137
superMarket/superMarket/Properties/Settings.Designer.cs , 1098
superMarket/superMarket/Properties/Settings.settings , 249
superMarket/superMarket/Resources/1-150G6102021936.jpg , 870757
superMarket/superMarket/Resources/1-150G61020219361.jpg , 870757
superMarket/superMarket/Resources/307335b0ccac6a20.jpg , 43744
superMarket/superMarket/Resources/69B890A628E7C958E6451CCAF97BF2C4.jpg , 49465
superMarket/superMarket/Resources/ed4fcb61d6065929a52ba1f2b8d13331.jpg , 100825
superMarket/superMarket/Resources/F1EE0617006C05AFA9BD966F427918B2.jpg , 9258
superMarket/superMarket/Resources/ims.jpg , 21885
superMarket/superMarket/Resources/QQ图片20190302160455.png , 95595
superMarket/superMarket/superMarket.csproj , 7310
superMarket/superMarket/user.cs , 828
superMarket/superMarket/添加商品.cs , 3409
superMarket/superMarket/添加商品.Designer.cs , 6127
superMarket/superMarket/添加商品.resx , 5817
superMarket/superMarket/添加管理员.cs , 3554
superMarket/superMarket/添加管理员.Designer.cs , 6337
superMarket/superMarket/添加管理员.resx , 5817
superMarket/superMarket.sln , 875
superMarket/superMarket.suo , 41472