mvc core2.1 Identity.EntityFramework Core 用户列表预览 删除 修改 (五）

用户列表预览

Controllers->AccountController.cs 

      [HttpGet]
        public  IActionResult Index()
        {
            return View(_userManager.Users);
        }
        private void AddErrors(IdentityResult result)
        {
            foreach (var error in result.Errors)
            {
                ModelState.AddModelError(string.Empty, error.Description);
            }
        }

Views->Account->Index.cshtml

@model IEnumerable<ApplicationUser>
@{
    ViewBag.Title = "Index";
}

<div class="panel panel-primary">
    <div class="panel-heading">
        User Accounts
    </div>
    <table class="table table-striped"> 

        <tr><th>ID</th><th>Name</th><th>Email</th></tr>
        @if (Model.Count() == 0) {
            <tr><td colspan="3" class="text-center">No User Accounts</td></tr>
        } else {
            foreach (ApplicationUser user in Model) {
                <tr>
                    <td>@user.Id</td>
                    <td>@user.UserName</td>
                    <td>@user.Email</td>
                      <td>
                        @using (Html.BeginForm("Delete", "Account",
                                    new { id = user.Id })) {
                            @Html.ActionLink("Edit", "Edit", new { id = user.Id },
                                    new { @class = "btn btn-primary btn-xs" })
                            <button class="btn btn-danger btn-xs" type="submit">
                                Delete 
                            </button>
                        }
                    </td> 
                </tr>
            }
        }
    </table>
</div>
@Html.ActionLink("Create", "Create", null, new { @class = "btn btn-primary" })

删除

[HttpPost]
        public async Task<ActionResult> Delete(string id) {
            ApplicationUser user = await _userManager.FindByIdAsync(id);
            if (user != null) {
                IdentityResult result = await _userManager.DeleteAsync(user);
                if (result.Succeeded) {
                    return RedirectToAction("Index");
                } else {
                    return View("Error", result.Errors);
                }
            } else {
                return View("Error", new string[] { "User Not Found" });
            }
        }

修改

Controllers->AccountController.cs 

  [HttpGet]
         public async Task<ActionResult> Edit(string id) {
            ApplicationUser user = await _userManager.FindByIdAsync(id);
            if (user != null) {
                return View(user);
            } else {
                return RedirectToAction("Index");
            }
        }

        [HttpPost]
        public async Task<ActionResult> Edit(string id, string email, string password) {
            ApplicationUser user = await _userManager.FindByIdAsync(id);
            if (user != null) {
                user.PasswordHash =_userManager.PasswordHasher.HashPassword(user,password);
                IdentityResult result = await _userManager.UpdateAsync(user);
                if (result.Succeeded) {
                    return RedirectToAction("Index");
                } else {
                    AddErrors(result);
                }
            } else {
                ModelState.AddModelError("", "User Not Found");
            }
            return View(user);
        }

Views->Account->Edit.cshtml

@model ApplicationUser
@{ ViewBag.Title = "Edit"; }
@Html.ValidationSummary(false)
<h2>Edit User</h2> 

<div class="form-group">
    <label>Name</label>
    <p class="form-control-static">@Model.Id</p>
</div>
@using (Html.BeginForm()) {
    @Html.HiddenFor(x => x.Id)
    <div class="form-group">
        <label>Email</label>
        @Html.TextBoxFor(x => x.Email, new { @class = "form-control" })
    </div>
    <div class="form-group">
        <label>Password</label>
        <input name="password" type="password" class="form-control" />
    </div>
    <button type="submit" class="btn btn-primary">Save</button>
    @Html.ActionLink("Cancel", "Index", null, new { @class = "btn btn-default" })
}

 Views ->Shared->_Layout.cshtml 加一个主跳转连接

  <div class="navbar-collapse collapse">
                <ul class="nav navbar-nav">
                    <li><a asp-area="" asp-controller="Home" asp-action="Index">Home</a></li>
                    <li><a asp-area="" asp-controller="Home" asp-action="About">About</a></li>
                    <li><a asp-area="" asp-controller="Home" asp-action="Contact">Contact</a></li>
                    <li><a asp-area="" asp-controller="Account" asp-action="Index">Account</a></li> //加这句