[英]How to change Identity error for register page in razor pages
I have a basic question.我有一个基本问题。 I want to customize errors that
IdentityResult
add to ModelState
.我想自定义
IdentityResult
添加到ModelState
的错误。 this is my code(the foreach
in else
add errors):这是我的代码(
else
中的foreach
添加错误):
var user = new IdentityUser {UserName = Input.Phone, PhoneNumber = Input.Phone};
var result = await _userManager.CreateAsync(user, Input.Password);
if (result.Succeeded)
{
//Do something...
}
else
{
foreach (var error in result.Errors)
{
//how can I change error.Description?
ModelState.AddModelError(string.Empty, error.Description);
}
}
You can override methods of IdentityErrorDescriber
to change identity error messages.您可以覆盖
IdentityErrorDescriber
的方法来更改身份错误消息。
public class YourIdentityErrorDescriber : IdentityErrorDescriber
{
public override IdentityError DuplicateUserName(string username)
{
return new IdentityError
{
Code = nameof(DuplicateUserName),
Description = "This is a error"
};
//other method in IdentityErrorDescriber,you can see below
}
}
Then you can register it in startup
( .AddErrorDescriber<YourIdentityErrorDescriber>();
).然后你可以在
startup
时注册它( .AddErrorDescriber<YourIdentityErrorDescriber>();
)。
services.AddDefaultIdentity<IdentityUser>(options => options.SignIn.RequireConfirmedAccount = false)
.AddEntityFrameworkStores<ApplicationDbContext>().AddErrorDescriber<YourIdentityErrorDescriber>();
About the method in IdentityErrorDescriber
.关于
IdentityErrorDescriber
中的方法。
public class CustomIdentityErrorDescriber : IdentityErrorDescriber
{
public override IdentityError DefaultError() { return new IdentityError { Code = nameof(DefaultError), Description = $"An unknown failure has occurred." }; }
public override IdentityError ConcurrencyFailure() { return new IdentityError { Code = nameof(ConcurrencyFailure), Description = "Optimistic concurrency failure, object has been modified." }; }
public override IdentityError PasswordMismatch() { return new IdentityError { Code = nameof(PasswordMismatch), Description = "Incorrect password." }; }
public override IdentityError InvalidToken() { return new IdentityError { Code = nameof(InvalidToken), Description = "Invalid token." }; }
public override IdentityError LoginAlreadyAssociated() { return new IdentityError { Code = nameof(LoginAlreadyAssociated), Description = "A user with this login already exists." }; }
public override IdentityError InvalidUserName(string userName) { return new IdentityError { Code = nameof(InvalidUserName), Description = $"User name '{userName}' is invalid, can only contain letters or digits." }; }
public override IdentityError InvalidEmail(string email) { return new IdentityError { Code = nameof(InvalidEmail), Description = $"Email '{email}' is invalid." }; }
public override IdentityError DuplicateUserName(string userName) { return new IdentityError { Code = nameof(DuplicateUserName), Description = $"User Name '{userName}' is already taken." }; }
public override IdentityError DuplicateEmail(string email) { return new IdentityError { Code = nameof(DuplicateEmail), Description = $"Email '{email}' is already taken." }; }
public override IdentityError InvalidRoleName(string role) { return new IdentityError { Code = nameof(InvalidRoleName), Description = $"Role name '{role}' is invalid." }; }
public override IdentityError DuplicateRoleName(string role) { return new IdentityError { Code = nameof(DuplicateRoleName), Description = $"Role name '{role}' is already taken." }; }
public override IdentityError UserAlreadyHasPassword() { return new IdentityError { Code = nameof(UserAlreadyHasPassword), Description = "User already has a password set." }; }
public override IdentityError UserLockoutNotEnabled() { return new IdentityError { Code = nameof(UserLockoutNotEnabled), Description = "Lockout is not enabled for this user." }; }
public override IdentityError UserAlreadyInRole(string role) { return new IdentityError { Code = nameof(UserAlreadyInRole), Description = $"User already in role '{role}'." }; }
public override IdentityError UserNotInRole(string role) { return new IdentityError { Code = nameof(UserNotInRole), Description = $"User is not in role '{role}'." }; }
public override IdentityError PasswordTooShort(int length) { return new IdentityError { Code = nameof(PasswordTooShort), Description = $"Passwords must be at least {length} characters." }; }
public override IdentityError PasswordRequiresNonAlphanumeric() { return new IdentityError { Code = nameof(PasswordRequiresNonAlphanumeric), Description = "Passwords must have at least one non alphanumeric character." }; }
public override IdentityError PasswordRequiresDigit() { return new IdentityError { Code = nameof(PasswordRequiresDigit), Description = "Passwords must have at least one digit ('0'-'9')." }; }
public override IdentityError PasswordRequiresLower() { return new IdentityError { Code = nameof(PasswordRequiresLower), Description = "Passwords must have at least one lowercase ('a'-'z')." }; }
public override IdentityError PasswordRequiresUpper() { return new IdentityError { Code = nameof(PasswordRequiresUpper), Description = "Passwords must have at least one uppercase ('A'-'Z')." }; }
}
Test result:测试结果:
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