blocks|key|216168|text|在UserManager构造器中：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|216169|UserValidator+=+new+UserValidator<ApplicationUser>(this)+{+AllowOnlyAlphanumericUserNames+=+false+};|code-block|syntax|javascript|216170|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

In UserManager contructor:

<pre><code>UserValidator = new UserValidator&lt;ApplicationUser&gt;(this) { AllowOnlyAlphanumericUserNames = false };
</code></pre>

blocks|key|216242|text|John的答案是正确的，我使用他的答案来允许电子邮件作为用户名(默认情况下不起作用)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|216243|请投赞成票/接受约翰的回答。|216244|下面是一些代码，我在其中使用了一个自定义的UserManager|216245|(这种方式也减少了其他地方的重复)|216246|public+class+MyUserManager+:+UserManager<ApplicationUser>
{
++++public+MyUserManager(DbContext+db)
++++++++:+base(new+UserStore<ApplicationUser>(db))
++++{
++++++++this.UserValidator+=+UserValidator+=+new+UserValidator<ApplicationUser>(this)+
++++++++++{+AllowOnlyAlphanumericUserNames+=+false+};
++++}
}|code-block|syntax|javascript|216247|下面是AccountController构造器代码现在的样子：|216248|[Authorize]
public+class+AccountController+:+Controller
{
++++public+AccountController()
++++++++:+this(new+MyUserManager(new+AppContext()))
++++{
++++}

++++public+AccountController(UserManager<ApplicationUser>+userManager)
++++{
++++++++UserManager+=+userManager;
++++}

++++public+UserManager<ApplicationUser>+UserManager+{+get;+private+set;+}|216249|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|U|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|V|8|@]|9|@]|A|$]]|$1|H|3|I|5|J|7|W|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|X|8|@]|9|@]|A|$]]|$1|O|3|P|5|J|7|Y|8|@]|9|@]|A|$K|L]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

John's answer is right, I used his answer to allow email as username (Wasn't working by default) 

Please upvote/accept John's answer. 
Here is some code where I used a custom UserManager" to get things working 
(This way there's less repeating elsewhere too)

<pre><code>public class MyUserManager : UserManager&lt;ApplicationUser&gt;
{
 public MyUserManager(DbContext db)
 : base(new UserStore&lt;ApplicationUser&gt;(db))
 {
 this.UserValidator = UserValidator = new UserValidator&lt;ApplicationUser&gt;(this) 
 { AllowOnlyAlphanumericUserNames = false };
 }
}
</code></pre>

And here's what the AccountController Constructor code looks like now:

<pre><code>[Authorize]
public class AccountController : Controller
{
 public AccountController()
 : this(new MyUserManager(new AppContext()))
 {
 }

 public AccountController(UserManager&lt;ApplicationUser&gt; userManager)
 {
 UserManager = userManager;
 }

 public UserManager&lt;ApplicationUser&gt; UserManager { get; private set; }
</code></pre>

blocks|key|216300|text|还有另一种方法：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|216301|[Authorize]
public+class+AccountController+:+Controller
{
++++public+AccountController()
++++++++:+this(new+UserManager<ApplicationUser>(new+UserStore<ApplicationUser>(new+ApplicationDbContext())))
++++{
++++}

++++public+AccountController(UserManager<ApplicationUser>+userManager)
++++{
++++++++UserManager+=+userManager;

++++++++//+Start+of+new+code
++++++++UserManager.UserValidator+=+new+UserValidator<ApplicationUser>(UserManager)
++++++++{
++++++++++++AllowOnlyAlphanumericUserNames+=+false,
++++++++};
++++++++//+End+of+new+code
++++}

++++public+UserManager<ApplicationUser>+UserManager+{+get;+private+set;+}
}|code-block|syntax|javascript|216302|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Yet another way of doing it:

<pre><code>[Authorize]
public class AccountController : Controller
{
 public AccountController()
 : this(new UserManager&lt;ApplicationUser&gt;(new UserStore&lt;ApplicationUser&gt;(new ApplicationDbContext())))
 {
 }

 public AccountController(UserManager&lt;ApplicationUser&gt; userManager)
 {
 UserManager = userManager;

 // Start of new code
 UserManager.UserValidator = new UserValidator&lt;ApplicationUser&gt;(UserManager)
 {
 AllowOnlyAlphanumericUserNames = false,
 };
 // End of new code
 }

 public UserManager&lt;ApplicationUser&gt; UserManager { get; private set; }
}
</code></pre>

blocks|key|216340|text|您可以像this一样编写自己的UserValidator。然后使用它：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|216341|var+userManager+=+new+UserManager<ApplicationUser>(new+CustomUserStore());
userManager.UserValidator+=+new+CustomUserValidator<ApplicationUser>(userManager);|code-block|syntax|javascript|216342|entityMap|0|LINK|mutability|MUTABLE|url|http://blachniet.com/2013/11/10/email-addresses-as-user-names-in-asp-net-identity/^0|4|4|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

You can write your own UserValidator like <a href="http://blachniet.com/2013/11/10/email-addresses-as-user-names-in-asp-net-identity/" rel="nofollow">this</a>. And then use it:

<pre><code>var userManager = new UserManager&lt;ApplicationUser&gt;(new CustomUserStore());
userManager.UserValidator = new CustomUserValidator&lt;ApplicationUser&gt;(userManager);
</code></pre>

blocks|key|216400|text|另一种方式|type|unstyled|depth|inlineStyleRanges|entityRanges|data|216401|var+manager+=+new+ApplicationUserManager(new+UserStore<ApplicationUser>(context.Get<ApplicationDbContext>()));
++++++++++++//+Configure+validation+logic+for+usernames
++++++++++++manager.UserValidator+=+new+UserValidator<ApplicationUser>(manager)
++++++++++++{
++++++++++++++++AllowOnlyAlphanumericUserNames+=+false,
++++++++++++++++RequireUniqueEmail+=+true
++++++++++++};
++++++++++++//+Configure+validation+logic+for+passwords
++++++++++++manager.PasswordValidator+=+new+PasswordValidator
++++++++++++{
++++++++++++++++RequiredLength+=+6,
++++++++++++++++RequireNonLetterOrDigit+=+true,
++++++++++++++++RequireDigit+=+true,
++++++++++++++++RequireLowercase+=+true,
++++++++++++++++RequireUppercase+=+true,
++++++++++++};|code-block|syntax|javascript|216402|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

another way of doing

<pre><code>var manager = new ApplicationUserManager(new UserStore&lt;ApplicationUser&gt;(context.Get&lt;ApplicationDbContext&gt;()));
 // Configure validation logic for usernames
 manager.UserValidator = new UserValidator&lt;ApplicationUser&gt;(manager)
 {
 AllowOnlyAlphanumericUserNames = false,
 RequireUniqueEmail = true
 };
 // Configure validation logic for passwords
 manager.PasswordValidator = new PasswordValidator
 {
 RequiredLength = 6,
 RequireNonLetterOrDigit = true,
 RequireDigit = true,
 RequireLowercase = true,
 RequireUppercase = true,
 };
</code></pre>

blocks|key|216440|text|从ASP.NET+Identity+3.0+(当前在RC中)开始，这现在被配置为用户的一个选项。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|216441|public+void+ConfigureServices(IServiceCollection+services)
{
++++//+(Rest+of+code+removed)

++++//+Note+the+%2B+added+to+the+string+of+allowed+user+name+characters
++++services.AddIdentity<ApplicationUser,+IdentityRole>(o+=>+o.User.AllowedUserNameCharacters+=+@"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+-._@%2B")
++++.AddEntityFrameworkStores<ApplicationDbContext>()
++++.AddDefaultTokenProviders();|code-block|syntax|javascript|216442|}|216443|与要点相同的代码：https://gist.github.com/pollax/4449ce7cf47bde6b3a95|offset|length|216444|entityMap|0|LINK|mutability|MUTABLE|url|https://gist.github.com/pollax/4449ce7cf47bde6b3a95^0|0|0|0|9|1F|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|W|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|X|8|@]|9|@$K|Y|L|Z|1|10]]|A|$]]|$1|M|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|T]]]]

As of ASP.NET Identity 3.0 (currently in RC), this is now configured as an option on the user.

<pre><code>public void ConfigureServices(IServiceCollection services)
{
 // (Rest of code removed)

 // Note the + added to the string of allowed user name characters
 services.AddIdentity&lt;ApplicationUser, IdentityRole&gt;(o =&gt; o.User.AllowedUserNameCharacters = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 -._@+")
 .AddEntityFrameworkStores&lt;ApplicationDbContext&gt;()
 .AddDefaultTokenProviders();
</code></pre>

}

Same code as a Gist: <a href="https://gist.github.com/pollax/4449ce7cf47bde6b3a95" rel="nofollow">https://gist.github.com/pollax/4449ce7cf47bde6b3a95</a>

How do I set the AllowOnlyAlphanumericUserNames flag on Microsoft.AspNet.Identity.UserManager so that UserValidator will allow non-alphanumeric UserName?

AllowOnlyAlphanumericUserNames - how to set it? (RC to RTM breaking change) ASP.NET Identity

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问AllowOnlyAlphanumericUserNames -如何设置？(RC到RTM中断更改) ASP.NET标识
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