ASP.NET MVC5身份：避免在註冊後更改登錄用戶

Question

我想更改MVC5 ASP.NET Application的默認註冊操作。我的情況是，授權用戶（如admin）將登錄並且可以創建新用戶。然而，使用下面的代碼片段，創建用戶後，當前登錄用戶將更改爲註冊用戶。

如何更改以下代碼以避免更改登錄用戶？

// POST: /Account/Register 
[HttpPost] 
[AllowAnonymous] 
[ValidateAntiForgeryToken] 
public async Task<ActionResult> Register(RegisterViewModel model) 
{ 
    if (ModelState.IsValid) 
    { 
     var user = new ApplicationUser() { UserName = model.UserName,Name=model.Name }; 
     var result = await UserManager.CreateAsync(user, model.Password); 
     if (result.Succeeded) 
     { 
      await SignInAsync(user, isPersistent: false); 
      return RedirectToAction("Index", "Home"); 
     } 
     else 
     { 
      AddErrors(result); 
     } 
    } 

    // If we got this far, something failed, redisplay form 
    return View(model); 
} 

Answer 1

刪除SignInAsync並添加[授權]註釋：

[HttpPost] 
[Authorize] 
[ValidateAntiForgeryToken] 
public async Task<ActionResult> Register(RegisterViewModel model) 
{ 
    if (ModelState.IsValid) 
    { 
     var user = new ApplicationUser() { UserName = model.UserName,Name=model.Name }; 
     var result = await UserManager.CreateAsync(user, model.Password); 
     if (result.Succeeded) 
     { 
      //await SignInAsync(user, isPersistent: false); 
      return RedirectToAction("Index", "Home"); 
     } 
     else 
     { 
      AddErrors(result); 
     } 
    } 

    // If we got this far, something failed, redisplay form 
    return View(model); 
} 

Answer 2

只要做到這一點：

if (result.Succeeded) 
{ 
    if (!User.IsAuthenticated) // if they're already logged in, don't log in again 
     await SignInAsync(user, isPersistent: false); 
    return RedirectToAction("Index", "Home"); 
}