.NET 6 + EF Core + MySQL + Docker + Identity +MVC 學(xué)習(xí)筆記（三）

環(huán)境準(zhǔn)備：

1、VS 2022 免費(fèi)社區(qū)版

本章目標(biāo)：

　　1、增加用戶(hù) 列表顯示頁(yè)面；

　　2、增加角色維護(hù)主頁(yè)面；

　　3、增加編輯角色下屬用戶(hù) 界面；

　　4、修改用戶(hù)管理界面，可以編輯用戶(hù)所屬角色、重置密碼等操作；

　　5、開(kāi)啟最基本的角色認(rèn)證；

1、增加用戶(hù)列表顯示頁(yè)面

　　新建一個(gè) UserAdmin的控制器：

　就選擇 MVC 控制器-空：

　　名稱(chēng)： UserAdminController

　　打開(kāi)UserAdminController.cs后，在默認(rèn)的 Index 右鍵選擇添加視圖：

　　簡(jiǎn)單一點(diǎn)，就用空視圖：

　名字不用改，就Index.cshtml

　　會(huì)自動(dòng)在 Views目錄下，增加 UserAdmin 目錄，并增加空的 Index.cshtml ,并自動(dòng)打開(kāi)：

　　在Index.cshtml 視圖中插入顯示用戶(hù)列表的 View，代碼如下：

@using Microsoft.AspNetCore.Identity
@model IEnumerable<IdentityUser>
@{
    ViewBag.Title = "Index";
}
<div class="panel panel-primary">
    <div class="panel-heading">
        用戶(hù)列表
    </div>
    <table class="table table-striped">
        <tr><th>Name</th><th>Email</th><th>PhoneNumber</th><th></th></tr>
        @if (Model.Count() == 0)
        {
            <tr><td colspan="4" class="text-center">無(wú)用戶(hù)</td></tr>
        }
        else
        {
            foreach (IdentityUser user in Model)
            {
                <tr>        
                    <td>@user.UserName</td>
                    <td>@user.Email</td>
                    <td>@user.PhoneNumber</td>
                    <td>
                            @Html.ActionLink("密碼重置", "ResetPassword", new { id = user.Id },
                                new { @class = "btn btn-warning btn-xs" })
                            @Html.ActionLink("編輯", "Edit", new { id = user.Id },
                                new { @class = "btn btn-primary btn-xs" })
                            @Html.ActionLink("刪除", "Delete", new { id = user.Id },
                            new { @class = "btn btn-danger btn-xs" })
                    </td>
                </tr>
            }
        }
    </table>
</div>

　　修改 UserAdminController ，先把 UserManager 傳入，再修改 Index View的返回為所有 User：

using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;

namespace POSystem.Controllers
{
    public class UserAdminController : Controller
    {
        private readonly UserManager<IdentityUser> _userManager;

        public UserAdminController(UserManager<IdentityUser> userManager)
        {
            _userManager = userManager;
        }

        public IActionResult Index()
        {
            return View(_userManager.Users);
        }
    }
}

　　先把這個(gè)UserAdmin的按鈕入口放在 Home和Privacy菜單的中間，修改_Layout.cshtml

　　　　　　　　　　<div class="navbar-collapse collapse d-sm-inline-flex justify-content-between">
                    <ul class="navbar-nav flex-grow-1">
                        <li class="nav-item">
                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">Home</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link text-dark" asp-area="" asp-controller="UserAdmin" asp-action="Index">用戶(hù)管理</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
                        </li>
                    </ul>
                    <partial name="_LoginPartial" />
                </div>

　　列表效果：

　　注：密碼重置、編輯、刪除待補(bǔ)充。

2、增加角色維護(hù)主頁(yè)面；

　　增加一個(gè)角色維護(hù)管理頁(yè)面來(lái)為用戶(hù)分配角色；先添加一個(gè)RoleAdminController 控制器：

　　同樣再加個(gè)Index View：

　　修改 RoleAdminController, 傳入 RoleManager, Index返回所有Role給View:

using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;

namespace POSystem.Controllers
{
    public class RoleAdminController : Controller
    {
        private readonly RoleManager<IdentityRole> _roleManager;

        public RoleAdminController(RoleManager<IdentityRole> roleManager)
        {
            _roleManager = roleManager;
        }
        public IActionResult Index()
        {
            return View(_roleManager.Roles);
        }
    }
}

　　　修改Index View，先最簡(jiǎn)單的顯示一個(gè)列表：

@using Microsoft.AspNetCore.Identity
@model IEnumerable<IdentityRole>
@{
    ViewBag.Title = "Index";
}
<div class="panel panel-primary">
    <div class="panel-heading">
        角色列表
    </div>
    <table class="table table-striped">
        <tr><th>Name</th><th></th></tr>
        @if (Model.Count() == 0)
        {
            <tr><td colspan="4" class="text-center">無(wú)角色</td></tr>
        }
        else
        {
            foreach (IdentityRole role in Model)
            {
                <tr>
                    <td>@role.Name</td>                    
                    <td>                        
                        @Html.ActionLink("編輯", "Edit", new { id = role.Id },
                            new { @class = "btn btn-primary btn-xs" })
                        @Html.ActionLink("刪除", "Delete", new { id = role.Id },
                        new { @class = "btn btn-danger btn-xs" })
                    </td>
                </tr>
            }
        }
    </table>
</div>@Html.ActionLink("新建", "Create","RoleAdmin",null, new { @class = "btn btn-primary btn-xs" })

　　　　繼續(xù)修改 _Layout.cshtml :

                 <div class="navbar-collapse collapse d-sm-inline-flex justify-content-between">
                    <ul class="navbar-nav flex-grow-1">
                        <li class="nav-item">
                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">Home</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link text-dark" asp-area="" asp-controller="UserAdmin" asp-action="Index">用戶(hù)管理</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link text-dark" asp-area="" asp-controller="RoleAdmin" asp-action="Index">角色管理</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
                        </li>
                    </ul>
                    <partial name="_LoginPartial" />
                </div>

　　跑起來(lái)看到有角色管理這個(gè)按鈕了：

　　但是一點(diǎn)就出錯(cuò)：

　　初步研究，應(yīng)該是沒(méi)有加這個(gè)：

builder.Services.AddDefaultIdentity<IdentityUser>(options => options.SignIn.RequireConfirmedAccount = true)
.AddRoles<IdentityRole>()
.AddRoleManager<RoleManager<IdentityRole>>()
.AddEntityFrameworkStores<ApplicationDbContext>();

　　加完，能正常顯示RoleAdmin的Index:

　　在RoleAdmin 控制器中增加 Create Action :

        public ActionResult Create()
        {
            return View();
        }

        [HttpPost]
        public async Task<ActionResult> Create([Required] string name)
        {
            if (ModelState.IsValid)
            {
                IdentityResult result = await _roleManager.CreateAsync(new IdentityRole(name));
                if (result.Succeeded)
                {
                    return RedirectToAction("Index");
                }
                else
                {
                    AddErrorsFromResult(result);
                }
            }
            return View();
        }

        private void AddErrorsFromResult(IdentityResult result)
        {
            foreach (IdentityError error in result.Errors)
            {
                ModelState.AddModelError("", error.Description);
            }
        }

　　再為Create Action 添加一個(gè)空視圖，并把以下視圖代碼加入：

@model string
@{ ViewBag.Title = "新增角色";}
<h2>新增角色</h2>
@Html.ValidationSummary(false)
@using (Html.BeginForm())
{
    <div class="form-group">
        <label>Name</label>
        <input name="name" value="@Model" class="form-control" />
    </div>
    <button type="submit" class="btn btn-primary">新增</button>
    @Html.ActionLink("取消", "Index", "RoleAdmin", null, new { @class = "btn btn-default btn-xs" })
}

　　運(yùn)行后，點(diǎn)擊新建按鈕：

　　建一個(gè) Admin 、ReadOnlyUser 、OperationUser :

3、增加編輯角色下屬用戶(hù) 界面；

　　考慮在角色界面，顯示每個(gè)角色對(duì)應(yīng)的用戶(hù)；并增加角色維護(hù)用戶(hù)頁(yè)面（即編輯頁(yè)面）

　　先增加兩個(gè)ViewModel:　

using Microsoft.AspNetCore.Identity;

namespace POSystem.Models
{
    public class RoleViewModel
    {
        public IdentityRole Role { get; set; }
        public IEnumerable<IdentityUser> Members { get; set; }
        public IEnumerable<IdentityUser> NonMembers { get; set; }
    }
}

using System.ComponentModel.DataAnnotations;

namespace POSystem.Models
{
    public class RoleModificationModel
    {
        [Required]
        public string RoleName { get; set; }
        public string[]? IdsToAdd { get; set; }
        public string[]? IdsToDelete { get; set; }
    }
}

        private readonly RoleManager<IdentityRole> _roleManager;
        private readonly UserManager<IdentityUser> _userManager;

        public RoleAdminController(RoleManager<IdentityRole> roleManager, UserManager<IdentityUser> userManager)
        {
            _roleManager = roleManager;
            _userManager = userManager;
        }

　　RoleAdmin改寫(xiě)成以上，首先是把 RoleManager<IdentityRole> roleManager, UserManager<IdentityUser> userManager 傳進(jìn)來(lái)；

　　增加 Edit 兩個(gè)Action，一個(gè)HTTP GET 一個(gè)對(duì)應(yīng)HTTP POST：

        public async Task<ActionResult> Edit(string id)
        {
            IdentityRole role = await _roleManager.FindByIdAsync(id);

            IEnumerable<IdentityUser> members
                    = await _userManager.GetUsersInRoleAsync(role.Name);

            List<IdentityUser> nonMembers = new List<IdentityUser>();
            foreach (IdentityUser user in _userManager.Users)
            {
                if (!members.Any(x => x.Id.Equals(user.Id)))
                {
                    nonMembers.Add(user);
                }
            }

            return View(new RoleViewModel
            {
                Role = role,
                Members = members,
                NonMembers = nonMembers
            });
        }


        [HttpPost]
        public async Task<ActionResult> Edit(RoleModificationModel model)
        {
            IdentityResult result;
            if (ModelState.IsValid)
            {
                foreach (string userId in model.IdsToAdd ?? new string[] { })
                {
                    var user = await _userManager.FindByIdAsync(userId);

                    result = await _userManager.AddToRoleAsync(user, model.RoleName);
                    if (!result.Succeeded)
                    {
                        return View("Error", result.Errors);
                    }
                }
                foreach (string userId in model.IdsToDelete ?? new string[] { })
                {
                    var user = await _userManager.FindByIdAsync(userId);
                    result = await _userManager.RemoveFromRoleAsync(user,
                       model.RoleName);
                    if (!result.Succeeded)
                    {
                        return View("Error", result.Errors);
                    }
                }
                return RedirectToAction("Index");
            }
            return View("Error", new string[] { "Role Not Found" });
        }

　　增加Edit的視圖，用空視圖，然后用以下代碼代替：

@using POSystem.Models
@using Microsoft.AspNetCore.Identity
@model RoleViewModel
@{ ViewBag.Title = "Edit Role";}
@Html.ValidationSummary()
@using (Html.BeginForm())
{
    <input type="hidden" name="roleName" value="@Model.Role.Name" />
    <div class="panel panel-primary">
        <div class="panel-heading">添加用戶(hù)至角色：@Model.Role.Name</div>
        <table class="table table-striped">
            @if (Model.NonMembers.Count() == 0)
            {
                <tr><td colspan="2">所有用戶(hù)已添加</td></tr>
            }
            else
            {
                <tr><td>用戶(hù)名</td><td>添加至角色</td></tr>
                foreach (IdentityUser user in Model.NonMembers)
                {
                    <tr>
                        <td>@user.UserName</td>
                        <td>
                            <input type="checkbox" name="IdsToAdd" value="@user.Id">
                        </td>
                    </tr>
                }
            }
        </table>
    </div>
    <div class="panel panel-primary">
        <div class="panel-heading">從角色：@Model.Role.Name 中移除用戶(hù)</div>
        <table class="table table-striped">
            @if (Model.Members.Count() == 0)
            {
                <tr><td colspan="2">無(wú)下屬用戶(hù)</td></tr>
            }
            else
            {
                <tr><td>用戶(hù)名</td><td>從角色中移除</td></tr>
                foreach (IdentityUser user in Model.Members)
                {
                    <tr>
                        <td>@user.UserName</td>
                        <td>
                            <input type="checkbox" name="IdsToDelete" value="@user.Id">
                        </td>
                    </tr>
                }
            }
        </table>
    </div>
    <button type="submit" class="btn btn-primary">保存</button>
    @Html.ActionLink("取消", "Index", null, null, new { @class = "btn btn-default" })
}

　　點(diǎn)擊 ReadOnlyUser 角色的編輯按鈕，可以勾選用戶(hù)添加至角色：

　　上一步點(diǎn)保存后，再點(diǎn)擊 ReadOnlyUser 角色的編輯按鈕，可以看到已經(jīng)在角色列表，并可以勾選移除：

　　為了直觀的顯示每個(gè)角色下面有哪些用戶(hù)，則考慮修改Index Action和視圖：　

        public async Task<IActionResult> Index()
        {
            List<RoleViewModel> roleviewmodels = new List<RoleViewModel>();
            foreach (IdentityRole role in _roleManager.Roles.ToList())
            {
                RoleViewModel newrole = new RoleViewModel();
                newrole.Role = role;
                newrole.Members = await _userManager.GetUsersInRoleAsync(role.Name);
                roleviewmodels.Add(newrole);
            }
            return View(roleviewmodels);
        }

　　此處有個(gè) MySQL 和 MSSQL不同的地方，如果紅色的 .ToList() 不加，則會(huì)報(bào)錯(cuò)，提示：

InvalidOperationException: This MySqlConnection is already in use. See https://fl.vu/mysql-conn-reuse

　　最后經(jīng)過(guò)查詢(xún)，知道MySQL不支持一個(gè)特性：MultipleActiveResultSets

　　修改Index 視圖如下：

@using Microsoft.AspNetCore.Identity
@model IEnumerable<RoleViewModel>
@{
    ViewBag.Title = "Index";
}
<div class="panel panel-primary">
    <div class="panel-heading">
        角色列表
    </div>
    <table class="table table-striped">
        <tr><th>角色名</th><th>下屬用戶(hù)</th><th></th></tr>
        @if (Model.Count() == 0)
        {
            <tr><td colspan="4" class="text-center">無(wú)角色</td></tr>
        }
        else
        {
            foreach (RoleViewModel roleview in Model)
            {
                <tr>
                    <td>@roleview.Role.Name</td>
                    <td>
                        @foreach (IdentityUser user in @roleview.Members)
                        {
                            @user.UserName@Html.Label(";")                            
                        }
                    </td>
                    <td>@Html.ActionLink("編輯", "Edit", new { id = roleview.Role.Id },new { @class = "btn btn-primary btn-xs" })
                        @Html.ActionLink("刪除", "Delete", new { id = roleview.Role.Id },new { @class = "btn btn-danger btn-xs" })
                    </td>
                </tr>
            }
        }
    </table>
</div>
@Html.ActionLink("新建", "Create","RoleAdmin",null, new { @class = "btn btn-primary btn-xs" })

　　最后體現(xiàn)結(jié)果：

4、修改用戶(hù)管理界面，可以編輯用戶(hù)所屬角色、重置密碼等操作；

　　增加兩個(gè)User View Model 和一個(gè)密碼重置用 Model：　

    public class UserEditViewModel
    {
        public POSystemUser User { get; set; }
        public IEnumerable<string> Roles { get; set; }
        public IEnumerable<IdentityRole> AllRoles { get; set; }
    }

    public class UserModificationModel
    {
        [Required]
        public string Id { get; set; }
        public string UserName { get; set; }
        public string Email { get; set; }
        public string PhoneNumber { get; set; }
        public string[] RolesToAdd { get; set; }
    }

    public class ResetPasswordInputModel
    {
        public string Id { get; set; }
        [Display(Name = "用戶(hù)賬號(hào)")]
        public string UserName { get; set; }
        [Required]
        [StringLength(100, ErrorMessage = "{0}必須長(zhǎng)度為：{2} - {1}.", MinimumLength = 4)]
        [DataType(DataType.Password)]
        [Display(Name = "新密碼")]
        public string Password { get; set; }

        [DataType(DataType.Password)]
        [Display(Name = "確認(rèn)密碼")]
        [Compare("Password", ErrorMessage = "兩次密碼輸入不一致！")]
        public string ConfirmPassword { get; set; }
    }

　　修改 UserAdminController 的Index：（注意紅色部分，不加.ToList() ， MySQL 數(shù)據(jù)庫(kù)會(huì)出錯(cuò)）

        public async Task<IActionResult> Index()
        {
            List<UserEditViewModel> userViewModels = new List<UserEditViewModel>();
            foreach (POSystemUser user in _userManager.Users.ToList())
            {
                UserEditViewModel newuserviewmodel = new UserEditViewModel();
                newuserviewmodel.User = user;
                newuserviewmodel.Roles = await _userManager.GetRolesAsync(user);
                userViewModels.Add(newuserviewmodel);
            }
            return View(userViewModels);
        }

　　修改 Index View：

@using Microsoft.AspNetCore.Identity
@model IEnumerable<UserEditViewModel>
@{
    ViewData["Title"] = "用戶(hù)列表";
}
<h1>@ViewData["Title"]</h1>
<hr />
<div class="panel panel-primary">   
    <table class="table table-striped">
        <tr><th>賬號(hào)</th><th>郵箱</th><th>電話</th><th>角色</th><th>操作</th></tr>
        @if (Model.Count() == 0)
        {
            <tr><td colspan="4" class="text-center">無(wú)用戶(hù)</td></tr>
        }
        else
        {
            foreach (UserEditViewModel userview in Model)
            {
                <tr>
                    <td>@userview.User.UserName</td>
                    <td>@userview.User.Email</td>
                    <td>@userview.User.PhoneNumber</td>
                    <td>
                        @foreach (string rolename in @userview.Roles)
                        {
                            @Html.Label(rolename + ";")
                        }
                    </td>
                    <td>
                        @Html.ActionLink("密碼重置", "ResetPassword", new { id = userview.User.Id },
                                     new { @class = "btn btn-warning btn-xs" })
                        @Html.ActionLink("編輯", "Edit", new { id = userview.User.Id },
                                     new { @class = "btn btn-primary btn-xs" })
                        @Html.ActionLink("刪除", "Delete", new { id = userview.User.Id },
                                 new { @class = "btn btn-danger btn-xs" })
                    </td>
                </tr>
            }
        }
    </table>
</div>

　　增加 roleManager的注入，再加入 Edit 和 ResetPassword 兩個(gè)Action對(duì)應(yīng)的 Get 和 Post

    private readonly UserManager<POSystemUser> _userManager;
        private readonly RoleManager<IdentityRole> _roleManager;

        public UserAdminController(UserManager<POSystemUser> userManager, RoleManager<IdentityRole> roleManager)
        {
            _userManager = userManager;
            _roleManager = roleManager;
        }
public async Task<ActionResult> Edit(string id)
        {
            if (id == null)
            {
                return NotFound();
            }
            POSystemUser user = await _userManager.FindByIdAsync(id);
            if (user == null)
            {
                return NotFound();
            }
            UserEditViewModel edituser = new UserEditViewModel();
            edituser.User = user;
            edituser.Roles = await _userManager.GetRolesAsync(user);
            edituser.AllRoles = _roleManager.Roles;
            return View(edituser);
        }


        [HttpPost]
        public async Task<ActionResult> Edit(UserModificationModel model)
        {
            if (ModelState.IsValid)
            {
                POSystemUser user = await _userManager.FindByIdAsync(model.Id);
                if (user == null)
                {
                    return View("Error", new string[] { "User Not Found" });
                }
                user.Email = model.Email;
                user.PhoneNumber = model.PhoneNumber;

                var rolesselect = model.RolesToAdd ?? new string[] { };
                foreach (string role in rolesselect)
                {
                    if (await _userManager.IsInRoleAsync(user, role))
                    {

                    }
                    else
                    {
                        await _userManager.AddToRoleAsync(user, role);
                    }
                }

                //還需要去除被反勾選的Role
                var userroles = await _userManager.GetRolesAsync(user);
                foreach (string role in userroles)
                {
                    if (!rolesselect.Contains(role))
                    {
                        await _userManager.RemoveFromRoleAsync(user, role);
                    }
                }
                await _userManager.UpdateAsync(user);

                return RedirectToAction("Index");
            }
            return View("Error", new string[] { "User Not Found" });
        }


        public async Task<ActionResult> ResetPassword(string id)
        {
            if (id == null)
            {
                return NotFound();
            }
            POSystemUser user = await _userManager.FindByIdAsync(id);
            if (user == null)
            {
                return NotFound();
            }
            ResetPasswordInputModel resetuser = new ResetPasswordInputModel();
            resetuser.Id = user.Id;
            resetuser.UserName = user.UserName;
            return View(resetuser);
        }

        [HttpPost]
        public async Task<ActionResult> ResetPassword(ResetPasswordInputModel input)
        {
            if (ModelState.IsValid)
            {
                POSystemUser user = await _userManager.FindByIdAsync(input.Id);
                var passwordresettoken = await _userManager.GeneratePasswordResetTokenAsync(user);
                await _userManager.ResetPasswordAsync(user, passwordresettoken, input.Password);
                return RedirectToAction("Index");
            }
            return View();
        }

　　增加 ResetPassword View：

@model ResetPasswordInputModel
@{
    ViewData["Title"] = "重置用戶(hù)密碼";
}
<h1>@ViewData["Title"]</h1>
<hr />
<div class="row">
    <div class="col-md-4">
        <form asp-action="ResetPassword">
            <div asp-validation-summary="ModelOnly" class="text-danger"></div>
            <input type="hidden" asp-for="Id" />
            <div class="form-group">
                <label asp-for="UserName" class="control-label"></label>
                <input asp-for="UserName" class="form-control" readonly="readonly" />
                <span asp-validation-for="UserName" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="Password" class="control-label"></label>
                <input asp-for="Password" class="form-control" />
                <span asp-validation-for="Password" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="ConfirmPassword" class="control-label"></label>
                <input asp-for="ConfirmPassword" class="form-control" />
                <span asp-validation-for="ConfirmPassword" class="text-danger"></span>
            </div>            
            <div class="form-group">
                <input type="submit" value="Save" class="btn btn-primary" />
            </div>
        </form>
    </div>
</div>

<div>
    <a asp-action="Index">返回目錄</a>
</div>

@section Scripts {
    @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
}

　　再加一個(gè)Edit的View：

@using Microsoft.AspNetCore.Identity
@model UserEditViewModel
@{
    ViewData["Title"] = "編輯用戶(hù)信息";
}
<h1>@ViewData["Title"]</h1>
<hr />
<div class="row">
    <div class="col-md-4">
        <form asp-action="Edit">
            <div asp-validation-summary="ModelOnly" class="text-danger"></div>
            <input type="hidden" asp-for="User.Id" />
            <div class="form-group">
                <label asp-for="User.UserName" class="control-label"></label>
                <input asp-for="User.UserName" class="form-control" readonly="readonly" />
                <span asp-validation-for="User.UserName" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="User.Email" class="control-label"></label>
                <input asp-for="User.Email" name="Email" class="form-control" />
                <span asp-validation-for="User.Email" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="User.PhoneNumber" class="control-label"></label>
                <input asp-for="User.PhoneNumber" name="PhoneNumber" class="form-control" />
                <span asp-validation-for="User.PhoneNumber" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label class="control-label">用戶(hù)角色：</label>
                @foreach (IdentityRole role in Model.AllRoles)
                {
            <tr>
                <td>@role.Name</td>
                <td>
                    @if (@Model.Roles.Contains(role.Name))
                    {
                        <input type="checkbox" name="RolesToAdd" value="@role.Name" checked="checked" />
                    }
                    else
                    {
                        <input type="checkbox" name="RolesToAdd" value="@role.Name" />
                    }
                </td>
            </tr>
                }
            </div>
            <div class="form-group">
                <input type="submit" value="Save" class="btn btn-primary" />
            </div>
        </form>
    </div>
</div>

<div>
    <a asp-action="Index">返回目錄</a>
</div>

@section Scripts {
    @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
}

5、開(kāi)啟最簡(jiǎn)單直接的角色認(rèn)證；

　　最后把 Role管理頁(yè)面和 User管理頁(yè)面設(shè)置成只有Admin 角色才可以操作；

　　在控制器加上 [Authorize(Roles = "Admin")] 即可實(shí)現(xiàn)：

[Authorize(Roles = "Admin")]
public class RoleAdminController : Controller

posted on 2022-07-11 21:54 卡卡2000 閱讀(282) 評(píng)論(0) 收藏舉報(bào)

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公告

.NET 6 + EF Core + MySQL + Docker + Identity +MVC 學(xué)習(xí)筆記 （三）

.NET 6 + EF Core + MySQL + Docker + Identity +MVC 學(xué)習(xí)筆記（三）