我正在尝试使用以下内容自定义asp.net身份实体:
public class User : IdentityUser<string, UserClaim, UserRole, UserLogin>
public class UserClaim : IdentityUserClaim<string>
public class UserLogin : IdentityUserLogin<string>
public class UserRole : IdentityUserRole<string>
public class UserToken : IdentityUserToken<string>
public class Role : IdentityRole<string, UserRole, RoleClaim>
public class RoleClaim : IdentityRoleClaim<string>
然后我创建了一个DbContext类,如下所示
public class AppDbContext : IdentityDbContext<User, Role, string, UserClaim, UserRole, UserLogin, RoleClaim, UserToken>
然后使用
配置它们services
.AddIdentity<User, Role>()
.AddEntityFrameworkStores<AppDbContext>()
.AddDefaultTokenProviders();
但我也试过
.AddEntityFrameworkStores<AppDbContext, string>()
我在互联网上阅读了很多博客文章,例如this,但大多数博客都要针对密钥的数据类型进行更改,例如int
或{{1 }}。在我的情况下,我没有更改Guid
的默认密钥数据类型。
我在所有这些情况下编译都没问题,但在运行
时会抛出错误System.TypeLoadException GenericArguments [0],&#39; MyIdentity.Entities.User&#39;,on &#39; Microsoft.AspNetCore.Identity.EntityFrameworkCore.UserStore`8 [TUSER,TRole,TContext,TKEY的,TUserClaim,TUserRole,TUserLogin,TUserToken]&#39; 违反了类型参数约束&#39; TUser&#39;。
在System.RuntimeTypeHandle.Instantiate(RuntimeTypeHandle句柄, IntPtr * pInst,int numGenericArgs,ObjectHandleOnStack type)at System.RuntimeTypeHandle.Instantiate(Type [] inst)at System.RuntimeType.MakeGenericType(Type [] instantiation)
如果我添加自定义string
类,如this post
UserStore
出现编译错误
CS0311类型&#39; MyIdentity.Entities.Role&#39;不能用作类型 参数&#39; TRole&#39;在通用类型或方法&#39; UserStore&#39;。没有隐式引用转换 &#39; MyIdentity.Entities.Role&#39;至 &#39;&Microsoft.AspNetCore.Identity.EntityFrameworkCore.IdentityRole GT;&#39;
我做错了什么?
答案 0 :(得分:5)
我遇到了这个问题,我发现了这个问题:"When you are customizing ASP.NET Core Identity, you should not use AddEntityFrameworkStores anymore." 你应该实施你的:
public class ApplicationRoleManager: RoleManager<Role>
public class ApplicationRoleStore : RoleStore<Role, ApplicationDbContext, int, UserRole, RoleClaim>
public class ApplicationSignInManager : SignInManager<User>
public class ApplicationUserManager : UserManager<User>
public class ApplicationUserStore : UserStore<User, Role, ApplicationDbContext, int, UserClaim, UserRole, UserLogin, UserToken, RoleClaim>
然后将内置服务重定向到您的自定义服务(Startup.cs):
services.AddScoped<UserStore<User, Role, ApplicationDbContext, int, UserClaim, UserRole, UserLogin, UserToken, RoleClaim>, ApplicationUserStore> ();
services.AddScoped<UserManager<User>, ApplicationUserManager>();
services.AddScoped<RoleManager<Role>, ApplicationRoleManager>();
services.AddScoped<SignInManager<User>, ApplicationSignInManager>();
services.AddScoped<RoleStore<Role, ApplicationDbContext, int, UserRole, RoleClaim>, ApplicationRoleStore>();
services.AddScoped<IEmailSender, AuthMessageSender>();
services.AddScoped<ISmsSender, AuthMessageSender>();
然后介绍您的自定义服务:
services.AddIdentity<User, Role>(identityOptions =>
{
// ...
}).AddUserStore<ApplicationUserStore>()
.AddUserManager<ApplicationUserManager>()
.AddRoleStore<ApplicationRoleStore>()
.AddRoleManager<ApplicationRoleManager>()
.AddSignInManager<ApplicationSignInManager>()
// You **cannot** use .AddEntityFrameworkStores() when you customize everything
//.AddEntityFrameworkStores<ApplicationDbContext, int>()
.AddDefaultTokenProviders();
答案 1 :(得分:4)
UserStore<TUser>
的约束为TUser : IdentityUser
。IdentityUser : IdentityUser<string, IdentityUserLogin, IdentityUserRole, IdentityUserClaim>
。User : IdentityUser<string, UserClaim, UserRole, UserLogin>
。长名称很容易错过,因此请将IdentityUser
别名D
和IdentityUser<string, IdentityUserLogin, IdentityUserRole, IdentityUserClaim>
作为B
。现在,上述内容可以重申为:
TUser : D
(TUser
必须是一种D
)D : B
(D
是一种B
)User : B
(您的User
通常是一种B
,但根据需要不具体D
答案 2 :(得分:1)
问题在于RoleClaim
必须是IdentityRoleClaim<TKey>
where TRole : IdentityRole<TKey, TUserRole, IdentityRoleClaim<TKey>>
而不是TRoleClaim
where TRole : IdentityRole<TKey, TUserRole, TRoleClaim>