【转载】MVC2中自定义校验

新建一个Mvc2的应用程序；

在Models 文件夹下新建一个类EmailAttribute

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Web;
 5 using System.ComponentModel.DataAnnotations;
 6 
 7 namespace MvcTemp.Models
 8 {
 9     public class EmailAttribute: RegularExpressionAttribute
10     {
11         public EmailAttribute()
12             : base(@"^(\w)+(\.\w+)*@(\w)+((\.\w+)+)$")
13         {
14         }
15     }
16 }

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重新编译下项目，下面演示如何自定义使用这个标记

在Model文件夹下新建一个类Student

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.ComponentModel.DataAnnotations;
using MvcTemp.Models;
namespace MvcTemp.Model
{
    public class Student
    {
        private int _id;
        [Required(ErrorMessage="必填")]
        public int Id
        {
            get { return _id; }
            set { _id = value; }
        }
        private string _name;
        [Required(ErrorMessage="必填")]
        public string Name
        {
            get { return _name; }
            set { _name = value; }
        }
        private string _emailAddress;
        [Email(ErrorMessage="错误的邮件地址")]
        public string EmailAddress
        {
            get { return _emailAddress; }
            set { _emailAddress = value; }
        }
    }
}

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重新编译下项目，添加Controllers，

using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Web; 
using System.Web.Mvc; 
  
namespace MvcTemp.Controllers 
{ 
    public class StudentController : Controller 
    { 
        // 
        // GET: /Student/ 
  
        public ActionResult Index() 
        { 
            return View(); 
        } 
  
        // 
        // GET: /Student/Details/5 
  
        public ActionResult Details(int id) 
        { 
            return View(); 
        } 
  
        // 
        // GET: /Student/Create 
  
        public ActionResult Create() 
        { 
            return View(); 
        }  
  
        // 
        // POST: /Student/Create 
  
        [HttpPost] 
        public ActionResult Create(FormCollection collection) 
        { 
            try
            { 
                // TODO: Add insert logic here 
  
                return RedirectToAction("Index"); 
            } 
            catch
            { 
                return View(); 
            } 
        } 
          
        // 
        // GET: /Student/Edit/5 
   
        public ActionResult Edit(int id) 
        { 
            return View(); 
        } 
  
        // 
        // POST: /Student/Edit/5 
  
        [HttpPost] 
        public ActionResult Edit(int id, FormCollection collection) 
        { 
            try
            { 
                // TODO: Add update logic here 
   
                return RedirectToAction("Index"); 
            } 
            catch
            { 
                return View(); 
            } 
        } 
  
        // 
        // GET: /Student/Delete/5 
   
        public ActionResult Delete(int id) 
        { 
            return View(); 
        } 
  
        // 
        // POST: /Student/Delete/5 
  
        [HttpPost] 
        public ActionResult Delete(int id, FormCollection collection) 
        { 
            try
            { 
                // TODO: Add delete logic here 
   
                return RedirectToAction("Index"); 
            } 
            catch
            { 
                return View(); 
            } 
        } 
    } 
}

　　在Global.asax页中注册自己定义的标记

View Code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;
using MvcTemp.Models;
using System.ComponentModel.DataAnnotations;

namespace MvcTemp
{
    // 注意: 有关启用 IIS6 或 IIS7 经典模式的说明，
    // 请访问 http://go.microsoft.com/?LinkId=9394801

    public class MvcApplication : System.Web.HttpApplication
    {
        public static void RegisterRoutes(RouteCollection routes)
        {
            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

            routes.MapRoute(
                "Default", // 路由名称
                "{controller}/{action}/{id}", // 带有参数的 URL
                new { controller = "Home", action = "Index", id = UrlParameter.Optional } // 参数默认值
            );

        }

        protected void Application_Start()
        {
            AreaRegistration.RegisterAllAreas();
            DataAnnotationsModelValidatorProvider.RegisterAdapter(typeof(EmailAttribute), typeof(RegularExpressionAttributeAdapter));
            RegisterRoutes(RouteTable.Routes);
        }
    }
}

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最后创建Student的Action视图即可

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原文地址：https://www.cnblogs.com/fx2008/p/2283175.html