C# ASP.NET MVC3自动映射视图模型/模型视图验证
(还是一个MVC验证问题。我知道,我知道…) 我想使用AutoMapper()来验证Create视图中的字段,这些字段不在我的数据库中(因此也不在我的数据模型中) 示例:我有一个Account/Create视图供用户创建新帐户,我需要Password和ConfirmPassword字段,因此用户必须输入两次密码进行确认 数据库中的Account表如下所示:C# ASP.NET MVC3自动映射视图模型/模型视图验证,c#,asp.net,asp.net-mvc-3,automapper,C#,Asp.net,Asp.net Mvc 3,Automapper,(还是一个MVC验证问题。我知道,我知道…) 我想使用AutoMapper()来验证Create视图中的字段,这些字段不在我的数据库中(因此也不在我的数据模型中) 示例:我有一个Account/Create视图供用户创建新帐户,我需要Password和ConfirmPassword字段,因此用户必须输入两次密码进行确认 数据库中的Account表如下所示: Account[Id(PK), Name, Password, Email] public class AccountViewModel
Account[Id(PK), Name, Password, Email]
public class AccountViewModel
{
public int Id { get; set; }
[Required]
public string Name { get; set; }
[Required]
public string Password { get; set; }
[Required]
[Compare("Password")]
public string ConfirmPassword { get; set; }
}
@model AutoMapperTest.Models.Account
<script src="@Url.Content("~/Scripts/jquery-1.4.4.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.min.js")" type="text/javascript"></script>
@using (Html.BeginForm())
{
@Html.ValidationSummary(true)
<fieldset>
<legend>Account</legend>
<div class="editor-label">
Name
</div>
<div class="editor-field">
@Html.TextBox("Name")
@Html.ValidationMessageFor(model => model.Name)
</div>
<div class="editor-label">
Email
</div>
<div class="editor-field">
@Html.TextBox("Email")
@Html.ValidationMessageFor(model => model.Email)
</div>
<div class="editor-label">
Password
</div>
<div class="editor-field">
@Html.TextBox("Password")
@Html.ValidationMessageFor(model => model.Password)
</div>
<div class="editor-label">
Confirm your password
</div>
<div class="editor-field">
@Html.TextBox("ConfirmPassword");
@Html.ValidationMessageFor(model => model.ConfirmPassword)
</div>
<p>
<input type="submit" value="Create" />
</p>
</fieldset>
}
<div>
@Html.ActionLink("Back to List", "Index")
</div>
我已经生成了一个ADO.NET实体数据模型,从中,我使用ADO.NET自跟踪实体生成器生成了模型
我还为验证注释编写了自定义AccountViewModel,如[Required]
总之,这是我的项目结构:
Controllers:
AccountController
Models:
Database.edmx (auto-generated from database)
Model.Context.tt (auto-generated from edmx)
Model.tt (auto-generated from edmx)
AccountViewModel.cs
Views:
Account
Create.cshtml
my AccountViewModel的代码如下所示:
Account[Id(PK), Name, Password, Email]
public class AccountViewModel
{
public int Id { get; set; }
[Required]
public string Name { get; set; }
[Required]
public string Password { get; set; }
[Required]
[Compare("Password")]
public string ConfirmPassword { get; set; }
}
@model AutoMapperTest.Models.Account
<script src="@Url.Content("~/Scripts/jquery-1.4.4.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.min.js")" type="text/javascript"></script>
@using (Html.BeginForm())
{
@Html.ValidationSummary(true)
<fieldset>
<legend>Account</legend>
<div class="editor-label">
Name
</div>
<div class="editor-field">
@Html.TextBox("Name")
@Html.ValidationMessageFor(model => model.Name)
</div>
<div class="editor-label">
Email
</div>
<div class="editor-field">
@Html.TextBox("Email")
@Html.ValidationMessageFor(model => model.Email)
</div>
<div class="editor-label">
Password
</div>
<div class="editor-field">
@Html.TextBox("Password")
@Html.ValidationMessageFor(model => model.Password)
</div>
<div class="editor-label">
Confirm your password
</div>
<div class="editor-field">
@Html.TextBox("ConfirmPassword");
@Html.ValidationMessageFor(model => model.ConfirmPassword)
</div>
<p>
<input type="submit" value="Create" />
</p>
</fieldset>
}
<div>
@Html.ActionLink("Back to List", "Index")
</div>
现在,我的创建视图如下所示:
Account[Id(PK), Name, Password, Email]
public class AccountViewModel
{
public int Id { get; set; }
[Required]
public string Name { get; set; }
[Required]
public string Password { get; set; }
[Required]
[Compare("Password")]
public string ConfirmPassword { get; set; }
}
@model AutoMapperTest.Models.Account
<script src="@Url.Content("~/Scripts/jquery-1.4.4.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.min.js")" type="text/javascript"></script>
@using (Html.BeginForm())
{
@Html.ValidationSummary(true)
<fieldset>
<legend>Account</legend>
<div class="editor-label">
Name
</div>
<div class="editor-field">
@Html.TextBox("Name")
@Html.ValidationMessageFor(model => model.Name)
</div>
<div class="editor-label">
Email
</div>
<div class="editor-field">
@Html.TextBox("Email")
@Html.ValidationMessageFor(model => model.Email)
</div>
<div class="editor-label">
Password
</div>
<div class="editor-field">
@Html.TextBox("Password")
@Html.ValidationMessageFor(model => model.Password)
</div>
<div class="editor-label">
Confirm your password
</div>
<div class="editor-field">
@Html.TextBox("ConfirmPassword");
@Html.ValidationMessageFor(model => model.ConfirmPassword)
</div>
<p>
<input type="submit" value="Create" />
</p>
</fieldset>
}
<div>
@Html.ActionLink("Back to List", "Index")
</div>
@model AutoMapperTest.Models.Account
@使用(Html.BeginForm())
{
@Html.ValidationSummary(true)
账户
名称
@Html.TextBox(“名称”)
@Html.ValidationMessageFor(model=>model.Name)
电子邮件
@Html.TextBox(“电子邮件”)
@Html.ValidationMessageFor(model=>model.Email)
密码
@文本框(“密码”)
@Html.ValidationMessageFor(model=>model.Password)
确认您的密码
@文本框(“确认密码”);
@Html.ValidationMessageFor(model=>model.ConfirmPassword)
}
@ActionLink(“返回列表”、“索引”)
我的代码失败了,因为我的模型当然不包含ConfirmPassword字段。
现在,一只小鸟低声对我说,汽车制造商可以帮我解决这个问题。但是我想不出来。。。有人能告诉我要怎么做才能让这一切顺利进行吗?我的AccountController现在看起来像这样:
private readonly AccountViewModel _viewModel = new AccountViewModel();
private readonly DatabaseEntities _database = new DatabaseEntities();
//
// GET: /Account/Create
public ActionResult Create()
{
Mapper.CreateMap<AccountViewModel, Account>();
return View("Create", _viewModel);
}
//
// POST: /Account/Create
[HttpPost]
public ActionResult Create(AccountViewModel accountToCreate)
{
try
{
if (ModelState.IsValid)
{
var newAccount = new Account();
Mapper.Map(accountToCreate, newAccount);
_database.Account.AddObject(newAccount);
_database.SaveChanges();
}
return RedirectToAction("Index");
}
catch
{
return View();
}
}
private readonly AccountViewModel\u viewModel=new AccountViewModel();
私有只读数据库实体_database=新数据库实体();
//
//获取:/Account/Create
公共操作结果创建()
{
Mapper.CreateMap)
有谁能告诉我这件事吗?非常感谢,我为这堵文字墙和关于同一主题的数百个问题表示歉意…关于您的代码的几点评论:
您的视图是强类型(@model
声明)到帐户
模型的,而它应该被键入到帐户视图模型
视图模型(如果您不在视图中使用它,则声明视图模型没有意义)
AutoMapper不用于验证,仅用于在类型之间转换
您不需要在控制器内为视图模型(AccountViewModel
)声明一个readonly
字段。您可以在GET操作内实例化视图模型,并保留默认模型绑定器,将其实例化为POST操作的操作参数
您应该为整个应用程序(理想情况下是在应用程序_Start
中)而不是在控制器操作中只执行一次自动映射配置(Mapper.CreateMap
)
视图模型上没有电子邮件字段,这可能是更新失败的原因(尤其是如果数据库中需要此字段)
下面是您的代码的外观:
public ActionResult Create()
{
var model = new AccountViewModel();
return View("Create", model);
}
[HttpPost]
public ActionResult Create(AccountViewModel accountToCreate)
{
try
{
if (ModelState.IsValid)
{
var newAccount = Mapper.Map<AccountViewModel, Account>(accountToCreate);
_database.Account.AddObject(newAccount);
_database.SaveChanges();
}
return RedirectToAction("Index");
}
catch
{
return View();
}
}
public ActionResult Create()
{
var模型=新的AccountViewModel();
返回视图(“创建”,模型);
}
[HttpPost]
公共操作结果创建(AccountViewModel accountToCreate)
{
尝试
{
if(ModelState.IsValid)
{
var newAccount=Mapper.Map(accountToCreate);
_database.Account.AddObject(newAccount);
_SaveChanges();
}
返回操作(“索引”);
}
抓住
{
返回视图();
}
}
将视图的第一行替换为
@model AutoMapperTest.AccountViewModel
此外,在应用程序生命周期内(例如,在应用程序启动时),您只需调用Mapper.CreateMap一次即可。Darin,您又一次救了我。这正是我一直在寻找的东西。非常感谢!