Asp.net core 无法解析类型为';Microsoft.EntityFrameworkCore.DbContextOptionsBuilder`
在ASP.NET core 3.1中将Asp.net core 无法解析类型为';Microsoft.EntityFrameworkCore.DbContextOptionsBuilder`,asp.net-core,entity-framework-core,identityserver4,Asp.net Core,Entity Framework Core,Identityserver4,在ASP.NET core 3.1中将DBContextOptions Builder注入到CustomTicketStore时。我收到一条异常消息 无法构造某些服务(验证时出错) 服务描述符的服务类型: Microsoft.AspNetCore.Authentication.Cookies.ITicketStore生存期: 作用域实现类型:OneIAM.Services.CustomTicketStore:无法 为类型解析服务 'Microsoft.EntityFrameworkCore.Db
DBContextOptions Builder
注入到CustomTicketStore
时。我收到一条异常消息
无法构造某些服务(验证时出错)
服务描述符的服务类型:
Microsoft.AspNetCore.Authentication.Cookies.ITicketStore生存期:
作用域实现类型:OneIAM.Services.CustomTicketStore:无法
为类型解析服务
'Microsoft.EntityFrameworkCore.DbContextOptionsBuilder'1[OneIAM.Data.ApplicationDbContext]'
尝试激活“OneIAM.Services.CustomTicketStore”时。)
下面是启动文件中的代码
public virtual void ConfigureServices(IServiceCollection services)
{
...
// Persistent ticket/cookie store to provide durable user sessions
services.AddScoped<ITicketStore, CustomTicketStore>();
var optionsBuilder = GetDbContextOptionsBuilder(services);
services.ConfigureApplicationCookie(options =>
{
options.SlidingExpiration = true;
options.SessionStore = new CustomTicketStore(optionsBuilder); <=
});
}
private static DbContextOptionsBuilder<ApplicationDbContext> GetDbContextOptionsBuilder(IServiceCollection services)
{
using (var scope = services.BuildServiceProvider().CreateScope())
{
return scope.ServiceProvider.GetService<DbContextOptionsBuilder<ApplicationDbContext>>();
}
}
公共虚拟void配置服务(IServiceCollection服务)
{
...
//持久化票证/cookie存储,提供持久的用户会话
services.addScope();
var optionsBuilder=GetDbContextOptionsBuilder(服务);
services.configureApplicationOK(选项=>
{
options.SlidingExpiration=true;
options.SessionStore=new CustomTicketStore(optionsBuilder);首先,我测试您的代码,发现它将使用services.AddScoped();
这是我的CustomTicketStore:
public class CustomTicketStore: ITicketStore
{
private readonly DbContextOptionsBuilder<ApplicationDbContext> _optionsBuilder;
public CustomTicketStore(DbContextOptionsBuilder<ApplicationDbContext> optionsBuilder)
{
_optionsBuilder = optionsBuilder;
}
.......
}
公共类CustomTicketStore:ITicketStore
{
私有只读DbContextOptionsBuilder\u optionsBuilder;
公共CustomTicketStore(DBContextOptionsBuilderOptionsBuilder)
{
_optionsBuilder=optionsBuilder;
}
.......
}
我发现如果我在CustomTicketStore中添加一个没有参数的构造函数,它会工作:
public class CustomTicketStore: ITicketStore
{
private readonly DbContextOptionsBuilder<ApplicationDbContext> _optionsBuilder;
public CustomTicketStore()
{
}
public CustomTicketStore(DbContextOptionsBuilder<ApplicationDbContext> optionsBuilder)
{
_optionsBuilder = optionsBuilder;
}
........
}
公共类CustomTicketStore:ITicketStore
{
私有只读DbContextOptionsBuilder\u optionsBuilder;
公共CustomTicketStore()
{
}
公共CustomTicketStore(DBContextOptionsBuilderOptionsBuilder)
{
_optionsBuilder=optionsBuilder;
}
........
}
也许你可以分享你的CustomTicketStore
@YiyiYou我在CustomTicketStore
中没有添加太多。只需使用DbContextOptionsBuilder
参数添加constructor
构造函数即可。我在dotnet run
@YiyiYou上遇到此错误,但是你可以从中获取CustomTicketStore>的参考
谢谢@YiyiYou。它对我有效,没有注入服务services.AddScoped();
也没有获得用户(ClaimsPrincipal)
,这意味着在主页上无法加载用户。我的意思是你可以添加公共CustomTicketStore(){}
到CustomTicketStore
,您不需要删除服务。AddScoped();
尝试了两种方法,但没有将'user'(var user=wait _userManager.GetUserAsync(user);)的值设置为null。您可以检查是否将数据保存到上下文并将其正确保存到数据库。