给出以下用于UserManager的DI类
public class AccountAuthorizationHandler : AuthorizationHandler<OperationAuthorizationRequirement, AuthorisedAccount>
{
private readonly UserManager<ApplicationUser> userManager;
public AccountAuthorizationHandler(UserManager<ApplicationUser> userManager)
{
this.userManager = userManager;
}
protected override void Handle(AuthorizationContext context,
OperationAuthorizationRequirement requirement,
AuthorisedAccount resource)
{
// Pull the user ID claim out from the context.User
var userId = context.User.GetUserId();
// Get the current user's account numbers.
var user = userManager.Users
.Include(u => u.AuthorisedAccounts)
.Where(u => u.Id == userId)
.FirstOrDefault();
//Now check if the user's account numbers match the resource accountNumber, and
foreach( var authorizedAccount in …Run Code Online (Sandbox Code Playgroud)