use*_*717 11 c# asp.net asp.net-identity asp.net-core-1.0
我正在尝试创建一个新的ASP.NET Core 1.0 Web应用程序,我希望它使用我已经设置的身份验证表.这些表最初是由使用Microsoft.ASPNet.Identity.EntityFramework 2.2.0的ASP.NET 4.6 Web应用程序创建的.
看起来Microsoft.AspNetCore.Identity.EntityFrameworkCore中的内容发生了变化,因为新的Core 1.0应用程序在尝试登录时抛出此错误:
处理请求时数据库操作失败.
SqlException:无效的列名称'NormalizedUserName'.列名称'ConcurrencyStamp'无效.列名称"LockoutEnd"无效.列名称"NormalizedEmail"无效.列名称"NormalizedUserName"无效.
project.json是开箱即用的,看起来像这样:
"dependencies": {
"Microsoft.NETCore.App": {
"version": "1.0.0",
"type": "platform"
},
"Microsoft.AspNetCore.Authentication.Cookies": "1.0.0",
"Microsoft.AspNetCore.Diagnostics": "1.0.0",
"Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore": "1.0.0",
"Microsoft.AspNetCore.Identity.EntityFrameworkCore": "1.0.0",
"Microsoft.AspNetCore.Mvc": "1.0.0",
"Microsoft.AspNetCore.Razor.Tools": {
"version": "1.0.0-preview2-final",
"type": "build"
},
"Microsoft.AspNetCore.Server.IISIntegration": "1.0.0",
"Microsoft.AspNetCore.Server.Kestrel": "1.0.0",
"Microsoft.AspNetCore.StaticFiles": "1.0.0",
"Microsoft.EntityFrameworkCore.SqlServer": "1.0.0",
"Microsoft.EntityFrameworkCore.SqlServer.Design": {
"version": "1.0.0",
"type": "build"
},
"Microsoft.EntityFrameworkCore.Tools": {
"version": "1.0.0-preview2-final",
"type": "build"
},
"Microsoft.Extensions.Configuration.EnvironmentVariables": "1.0.0",
"Microsoft.Extensions.Configuration.Json": "1.0.0",
"Microsoft.Extensions.Configuration.UserSecrets": "1.0.0",
"Microsoft.Extensions.Logging": "1.0.0",
"Microsoft.Extensions.Logging.Console": "1.0.0",
"Microsoft.Extensions.Logging.Debug": "1.0.0",
"Microsoft.Extensions.Options.ConfigurationExtensions": "1.0.0",
"Microsoft.VisualStudio.Web.BrowserLink.Loader": "14.0.0",
"Microsoft.VisualStudio.Web.CodeGeneration.Tools": {
"version": "1.0.0-preview2-final",
"type": "build"
},
"Microsoft.VisualStudio.Web.CodeGenerators.Mvc": {
"version": "1.0.0-preview2-final",
"type": "build"
}
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},
另外,我没有更改我的ApplicationDbContext,但是我看到一些关于在该类中进行更改以解决此问题的帖子
War*_*son 14
这个SQL迁移脚本让我克服了上述障碍:
Alter Table ASPNETROLES
ADD
ConcurrencyStamp varchar(255) null,
NormalizedName varchar(255) null
Drop Table AspNetUserTokens
CREATE TABLE [AspNetUserTokens] (
[UserId] NVARCHAR (450) NOT NULL,
[LoginProvider] NVARCHAR (450) NOT NULL,
[Name] NVARCHAR (450) NOT NULL,
[Value] NVARCHAR (MAX) NULL,
CONSTRAINT [PK_AspNetUserTokens]
PRIMARY KEY CLUSTERED ([UserId] ASC, [LoginProvider] ASC, [Name] ASC)
)
Alter Table AspNetUsers
Add
ConcurrencyStamp varchar(255) null,
LockoutEnd DateTime null,
NormalizedEmail varchar(255) null,
NormalizedUserName varchar(255) null
Drop Table [AspNetRoleClaims]
CREATE TABLE [AspNetRoleClaims] (
[Id] INT IDENTITY (1, 1) NOT NULL,
[ClaimType] NVARCHAR (MAX) NULL,
[ClaimValue] NVARCHAR (MAX) NULL,
[RoleId] NVARCHAR (128) NOT NULL,
CONSTRAINT [PK_AspNetRoleClaims]
PRIMARY KEY CLUSTERED ([Id] ASC),
CONSTRAINT [FK_AspNetRoleClaims_AspNetRoles_RoleId]
FOREIGN KEY ([RoleId])
REFERENCES [dbo].[AspNetRoles] ([Id]) ON DELETE CASCADE
)
GO
CREATE NONCLUSTERED INDEX [IX_AspNetRoleClaims_RoleId]
ON [AspNetRoleClaims]([RoleId] ASC)
Alter Table AspNetUserLogins
Add ProviderDisplayName varchar(255) null
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微软没有就如何迁移数据库提供大量指导,但这为我解决了上述问题.
有一个包可以做到这一点。从字面上看,它就是为了这个目的。它是 Microsoft 代码库的一部分,最近似乎已针对 Core 2.1 进行了更新。
用于在 Microsoft.AspNet.Identity.EntityFramework 和 Microsoft.AspNetCore.Identity.EntityFrameworkCore 之间共享身份数据库的兼容层。
https://www.nuget.org/packages/Microsoft.AspNet.Identity.AspNetCoreCompat/
https://github.com/aspnet/Identity/tree/master/src/AspNetCoreCompat
它使用如下方法处理两个模式之间的“差异”:
/// <summary>
/// Normalized email
/// </summary>
public string NormalizedEmail {
get
{
return Email.ToUpperInvariant();
}
set { }
}
/// <summary>
/// Concurrency stamp
/// </summary>
public virtual string ConcurrencyStamp { get; set; } = Guid.NewGuid().ToString();
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我找不到任何真正的文档,但我已经完成了以下操作,并且似乎工作正常:
您必须将所有对IdentityRole、IdentityUser等的引用更改IdentityDbContext为兼容性包中的类。
using Compat = Microsoft.AspNet.Identity.CoreCompat;
// update to use the compatibility class
public class ApplicationDbContext : Compat.IdentityDbContext<ApplicationUser>
// change all instances, such as this
Compat.IdentityUser user = await _repo.FindUser(context.UserName, context.Password);
Run Code Online (Sandbox Code Playgroud)您必须将数据库升级到新格式(基本上是添加一些列并更改一些数据类型)。这是最棘手的阶段!您肯定希望在临时环境中执行此操作。我使用的是 Azure,所以我只是克隆了数据库。
Migration.zip迁移脚本。有几个脚本需要一一运行。我建议一次运行每个命令,以确保它全部运行。AspNetUsers表,则必须删除约束、更新数据类型并重新添加约束。例如,我有一个Notes链接到 a 的表AspNetUser,因此我需要运行ALTER TABLE UserProfileNote ALTER COLUMN AspNetUsersId nvarchar(450) NOT NULL;(删除约束后)。首先编写约束脚本!https://github.com/aspnet/Docs/issues/6425
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