ASP.NET Core Identity 系列之六

public class AppUser : IdentityUser {    public int Age    {        get; set;    }    public Country Country    {        get;        set;    }    [Required]    public string Salary    {        get; set;    } = null!;}

public enum Country{    USA,    UK,    France,    Germany,    Russia}

public class User{    [Required]    [DisplayName("用户名")]    public string Name { get; set; } = null!;    [Required]    [DisplayName("邮箱")]    [RegularExpression("^[a-zA-Z0-9_\\.-]+@([a-zA-Z0-9-]+\\.)+[a-zA-Z]{2,6}$", ErrorMessage = "电子邮件格式不正确")]    public string Email { get; set; } = null!;    [Required]    [DataType(DataType.Password)]    [DisplayName("密码")]    public string Password { get; set; } = null!;    [DisplayName("年龄")]    public int Age    {        get; set;    }    [DisplayName("国家")]    public Country Country    {        get;        set;    }    [DisplayName("薪水")]    [Required]    public string Salary    {        get; set;    } = null!;}

public class UpdateUserDTO{    [Required]    [DisplayName("编号")]    public string Id { get; set; } = null!;    [Required]    [DisplayName("用户名")]    public string Name { get; set; }=null!;    [Required]    [DisplayName("邮箱")]    [RegularExpression("^[a-zA-Z0-9_\\.-]+@([a-zA-Z0-9-]+\\.)+[a-zA-Z]{2,6}$", ErrorMessage = "E-mail is not valid")]    public string Email { get; set; } = null!;    [Required]    [DataType(DataType.Password)]    [DisplayName("密码")]    public string Password { get; set; } = null!;    [DisplayName("年龄")]    public int Age    {        get; set;    }    [DisplayName("国家")]    public Country Country    {        get;        set;    }    [DisplayName("薪水")]    [Required]    public string Salary    {        get; set;    } = null!;}

 <div class="mb-3 row">        <label asp-for="Age" class="col-sm-1 control-label"></label>        <div class="col-sm-11">            <input asp-for="Age" class="form-control" />        </div>    </div>    <div class="mb-3 row">        <label asp-for="Country" class="col-sm-1 control-label"></label>        <div class="col-sm-11">            <select asp-for="Country" class="form-control" asp-items="@new SelectList(Enum.GetNames(typeof(Country)))">                <option selected disabled value="选择">选择国家</option>            </select>        </div>    </div>    <div class="mb-3 row">        <label asp-for="Salary" class="col-sm-1 control-label"></label>        <div class="col-sm-11">            <input asp-for="Salary" class="form-control" />        </div>    </div>    <div class="mb-3 row">        <div class="col-sm-11 offset-sm-1">            <button type="submit" class="btn btn-primary">保存</button>            <button asp-action="Index" class="btn btn-secondary">                返回            </button>        </div>    </div>

   <div class="mb-3 row">        <label asp-for="Age" class="col-sm-1 control-label"></label>        <div class="col-sm-11">            <input asp-for="Age" class="form-control" />        </div>    </div>    <div class="mb-3 row">        <label asp-for="Country" class="col-sm-1 control-label"></label>        <div class="col-sm-11">            <select asp-for="Country" class="form-control" asp-items="@new SelectList(Enum.GetNames(typeof(Country)))">                <option selected disabled value="选择">选择国家</option>            </select>        </div>    </div>    <div class="mb-3 row">        <label asp-for="Salary" class="col-sm-1 control-label"></label>        <div class="col-sm-11">            <input asp-for="Salary" class="form-control" />        </div>    </div>    <div class="row mb-3">        <div class="col-sm-11 offset-sm-1">            <button class="btn btn-primary">保存</button>            <button asp-action="index" class="btn btn-secondary">返回</button>        </div>    </div>

@model IEnumerable<AppUser>@{    ViewData["Title"] = "用户列表";}<div class="container">    <div class="row mb-3">        <div class="col-sm-3">            <a asp-action="Create" class="btn btn-primary">新增</a>        </div>        <div class="col-sm-3"></div>        <div class="col-sm-3"></div>        <div class="col-sm-3"></div>    </div>    <div class="row mb-3">        <div class="col-sm">            <table class="table table-bordered align-middle">                <thead>                    <tr>                        <th>编号</th>                        <th>名称</th>                        <th>邮件</th>                        <td>年龄</td>                        <td>国家</td>                        <td>薪水</td>                        <th>编辑</th>                        <td>删除</td>                    </tr>                </thead>                <tbody>                    @foreach (AppUser user in Model)                    {                        <tr>                            <td>@user.Id</td>                            <td>@user.UserName</td>                            <td>@user.Email</td>                            <td>@user.Age</td>                            <td>@user.Country</td>                            <td>@user.Salary</td>                            <td>                                <a class="btn btn-primary btn-sm" asp-action="Update" asp-route-id="@user.Id">编辑</a>                            </td>                            <td>                                <form method="post" asp-action="Delete" asp-route-id="@user.Id" role="form">                                    <button type="submit" class="btn btn-danger btn-sm">删除</button>                                </form>                            </td>                        </tr>                    }                </tbody>            </table>        </div>    </div></div>

[HttpPost]public async Task<IActionResult> Create(User user){    if (ModelState.IsValid)    {        AppUser appUser = new AppUser        {            UserName = user.Name,            Email = user.Email,            Age = user.Age,            Country = user.Country,            Salary = user.Salary        };        var identityResult = await _userManager.CreateAsync(appUser, user.Password);        if (identityResult.Succeeded)            return RedirectToAction("Index", "Admin");        else            foreach (IdentityError error in identityResult.Errors)                ModelState.AddModelError("", error.Description);    }    return View(user);}

[HttpPost]public async Task<IActionResult> Update(UpdateUserDTO updateUserDTO){    var appUser = await _userManager.FindByIdAsync(updateUserDTO.Id);    if (appUser != null)    {        IdentityResult validEmail = null;        if (!string.IsNullOrEmpty(updateUserDTO.Name) && !string.IsNullOrEmpty(updateUserDTO.Email))        {            appUser.UserName = updateUserDTO.Name;            appUser.Email = updateUserDTO.Email;            validEmail = await _userValidator.ValidateAsync(_userManager, appUser);            if (!validEmail.Succeeded)                Errors(validEmail);        }        else            ModelState.AddModelError("", "用户名和邮件不能为空");        appUser.Age = updateUserDTO.Age;        appUser.Country = updateUserDTO.Country;        if (!string.IsNullOrEmpty(updateUserDTO.Salary))            appUser.Salary = updateUserDTO.Salary;        IdentityResult validPass = null;        if (!string.IsNullOrEmpty(updateUserDTO.Password))        {            validPass = await _passwordValidator.ValidateAsync(_userManager, appUser, updateUserDTO.Password);            if (validPass.Succeeded)                appUser.PasswordHash = _passwordHasher.HashPassword(appUser, updateUserDTO.Password);            else                Errors(validPass);        }        else            ModelState.AddModelError("", "密码不能为空");        if (!string.IsNullOrEmpty(updateUserDTO.Name) &&            !string.IsNullOrEmpty(updateUserDTO.Email) &&            !string.IsNullOrEmpty(updateUserDTO.Password) &&            validEmail.Succeeded &&            validPass.Succeeded)        {            var result = await _userManager.UpdateAsync(appUser);            if (result.Succeeded)                return RedirectToAction("Index");            else            {                foreach (IdentityError error in result.Errors)                {                    ModelState.AddModelError("", error.Description);                }            }        }    }    else        ModelState.AddModelError("", "没有发现该用户");    return View(updateUserDTO);}