[英]Get all roles in asp.net core identity using a separate class
我一直試圖從asp.net核心標識中獲取所有角色的列表,這是在使用控制器之前完成的工作:
public AdminController(
UserManager<ApplicationUser> userManager,
ILogger<AccountController> logger,
IEmailSender emailSender,
RoleManager<IdentityRole> roleManager,
SignInManager<ApplicationUser> signInManager)
{
_userManager = userManager;
_logger = logger;
_emailSender = emailSender;
_roleManager = roleManager;
_signInManager = signInManager;
}
private void PuplateRolesList(RegisterViewModel model)
{
model.Roles = _roleManager.Roles?.ToList();
}
我想做的是有一個我可以重用的類,該類將返回所有角色的列表,而不使用控制器,我嘗試這樣做:
var roleStore = new RoleStore<AppRole, int, AppUserRole>(dbContext);
var roleMngr = new RoleManager<AppRole, int>(roleStore);
但是在一個類中,它顯然沒有構造角色管理器或dbContect,因此我自己嘗試了一下,但它不起作用。 關於如何在應用程序中添加類的任何想法都可以提供列表或角色,以至於我的控制器中沒有全部內容?
謝謝
創建一個類:
public class RoleUtility
{
private readonly RoleManager<IdentityRole> _roleManager;
public RoleUtility(RoleManager<IdentityRole> roleManager)
{
_roleManager = roleManager;
}
public void PopulateRolesList(RegisterViewModel model)
{
model.Roles = _roleManager.Roles?.ToList();
}
}
提取接口:
public interface IRoleUtility
{
void PopulateRolesList(RegisterViewModel model);
}
RoleUtility
類聲明變為:
public class RoleUtility: IRoleUtility
然后,在您的Startup
類中:
public void ConfigureServices(IServiceCollection services)
{
...
services.AddTransient<IRoleUtility, RoleUtility>();
}
您的控制器代碼變為:
public AdminController(
UserManager<ApplicationUser> userManager,
ILogger<AccountController> logger,
IEmailSender emailSender,
IRoleUtility roleUtility,
SignInManager<ApplicationUser> signInManager)
{
_userManager = userManager;
_logger = logger;
_emailSender = emailSender;
_roleUtility = roleUtility;
_signInManager = signInManager;
}
private void PuplateRolesList(RegisterViewModel model)
{
_roleUtility.PopulateRolesList(model);
}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.