ASP.NET MVC：一个简单MVC示例

示例编号mvc100010010

1,功能描述

 　　一个基于标准的ASP.NET MVC2.0的一个项目.主要功能有:用户登录,产品的操作,商品展示,添加产品,修改商品,删除商品.

2,技术与环境

 

操作系统:	windows	开发语言:	C#
开发框架:	ASP.NET MVC 2.0	数据库:	SQL Server
开发软件:	Microsoft Visual Studio 2010
项目组长:	yuanbo	成员:	null
个人主页:	http://www.cnblogs.com/ylbtech/
科研团队:	ylbtech	教研团队:	ylbtech

 

3,数据库设计

数据关系图:

3.1,基本数据库

 　　3.1.1　　sql-mvc-basic.sql

-- =============================================
-- ylb_menu: MVC测试数据库
-- datbase: db1
-- author: yuanbo
-- pubdate:2012-8-1
-- =============================================
use master
IF EXISTS (SELECT * 
       FROM   master..sysdatabases 
       WHERE  name = N'db1')
    DROP DATABASE db1
GO

CREATE DATABASE db1
GO
use db1
go

-- =============================================
-- ylb: 1,Users
-- remark: 用户表
-- =============================================
create table Users
(
username varchar(100) primary key, --昵称[PK]
userpass varchar(100) not null        --密码    
)


go
-- =============================================
-- ylb: 2,Product
-- remark: 产品表
-- =============================================
create table Product
(
productId int primary key identity, --编号[PK]
productName varchar(100) not null,    --产品名称
unitprice decimal(6,2) check(unitprice>0),    --单价
type varchar(100) check(type in('电器','水果'))    --类型
)

go
-- =============================================
-- ylb_test: 1,向"Users"表插入测试数据
-- remark: 测试数据
-- =============================================
insert into Users(username,userpass) values('yb','m123')

go
print 'mvc测试数据库创建成功！'

3.2,插入测试数据

　　无，在3.1.1已插入测试数据。

3.3,操作表步骤      

 　　3.3.1　　1, Users.sql

-- =============================================
-- ylb_menu: MVC测试数据库
-- table: 1,Users
-- remark:对用户表的操作与步骤
-- author: yuanbo
-- pubdate:2012-8-1
-- =============================================
use db1

go
-- =============================================
-- ylb_test: 1,向"Users"表插入测试数据
-- remark: 测试数据
-- =============================================
insert into Users(username,userpass) values('yb','m123')

go
-- =============================================
-- ylb: 1,Login
-- remark: 用户登录
-- =============================================
select COUNT(*) from Users where username='yb' and userpass='m123'

　　3.3.2　　2, Product.sql

-- =============================================
-- ylb_menu: MVC测试数据库
-- table: 1,Products
-- remark:对产品表的操作与步骤
-- author: yuanbo
-- pubdate:2012-8-1
-- =============================================
use db1

go
-- =============================================
-- ylb_test: 1,向"Users"表插入测试数据
-- remark: 测试数据
-- =============================================

go
-- =============================================
-- ylb: 1,GetAll
-- remark: 获取所有产品，并以productId降序排列
-- =============================================
select productId,productName,unitPrice,type from Product order by productId desc

go
-- =============================================
-- ylb: 2,Add
-- remark: 添加一个产品
-- field: productName,unitPrice,type
-- =============================================
select productName,unitPrice,type from Product
go
insert into Product(productName,unitPrice,type) values()

go
-- =============================================
-- ylb: 3,GetModel
-- remark: 获得一个实体对象，根据productId
-- =============================================
select productId,productName,unitPrice,type from Product where productId=0

go
-- =============================================
-- ylb: 4,Update
-- remark: 修改一条信息 ，根据productId
-- =============================================
update Product set productName='yb',unitPrice='2.3',type='电器' where productId=0

go
-- =============================================
-- ylb: 5,Delete
-- remark: 删除一条信息，根据productId
-- =============================================
delete Product where productId=0

4,功能截图

 4.1,前台

4.1.1 用户登录(/Views/Account/Login.aspx)

4.1.2 商品展示(/Views/Product/Index.aspx)

4.1.3 添加商品(/Views/Product/Create.aspx)

4.1.4 修改商品(/Views/Product/Edit.aspx)

4.1.5 删除商品(/Views/Product/Index.aspx)     

    

4.2,后台

 　　无后台。

5,代码分析

5.1,前台

　　5.1.1 [只有一个示例展示,更多请下载百度文库示例案例…] 即，/Account

　　5.1.1.1_M_Info　　　　/Models/UsersInfo.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace Mvc1.Models
{
    public class UsersInfo
    {
        /// <summary>
        /// username
        /// </summary>
        public string Username { get;set;}
        /// <summary>
        /// password
        /// </summary>
        public string Userpass { get; set; }
    }
}

　　5.1.1.1_M_Oper　　/Models/Users.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

using System.Data.SqlClient;
namespace Mvc1.Models
{
    public class Users
    {

        /// <summary>
        /// ylb: 1,Login
        /// remark: 用户登录
        /// </summary>
        /// <param name="username"></param>
        /// <param name="userpass"></param>
        /// <returns></returns>
        public bool Login(string username, string userpass)
        {
            bool b = false;

            string sql = "select COUNT(*) from Users where username=@username and userpass=@userpass";

            SqlConnection conn = new DBConnection().Conn;
            SqlCommand com = conn.CreateCommand();

            com.Parameters.Add(new SqlParameter("@username", username));
            com.Parameters.Add(new SqlParameter("@userpass", userpass));
            com.CommandText = sql;

            conn.Open();
            try
            {
                Object obj = com.ExecuteScalar();
                int count = Convert.ToInt32(obj);
                if (count > 0)
                    b = true;
            }
            finally
            {
                conn.Close();
            }
            return b;
        }
    }
}

　　5.1.1.1_V　　/Views/Login.aspx

<%@ Page Language="C#" Inherits="System.Web.Mvc.ViewPage<dynamic>" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Login</title>
</head>
<body>
    <div>
    <fieldset>
    <div><%=ViewData["LoginIsFail"] %></div>
    <legend>Login</legend>
    <form action="/Account/Login" method="post">
    username:<br />
    <input id="username" name="username" value="yb" /><br />
    password:<br />
    <input id="userpass" name="userpass" value="m123" /><br />
    <button type="submit">Login</button>
    </form>
    </fieldset>
    </div>
</body>
</html>

　　5.1.1.1_C　　/Controllers/AccountController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;

using Mvc1.Models;
namespace Mvc1.Controllers
{
    public class AccountController : Controller
    {
        //
        // GET: /Account/

        public ActionResult Index()
        {
            return View("Login");
        }

        //
        // GET: /Account/Login
        public ActionResult Login(string username,string userpass)
        {

            if (new Users().Login(username, userpass))
                return RedirectToAction("Index", "Product");
            else
            {
                ViewData["LoginIsFail"] = "User name or password is incrorenct.";
                return View();
            }
        }

        
    }
}

5.2,后台

 　　无。

6,示例|讲解案例下载

博客园讲解:

http://www.cnblogs.com/ylbtech/

百度文库开发文档:

http://wenku.baidu.com/view/4cb28c88cc22bcd126ff0c5a.html

谷歌开源代码下载:

http://code.google.com/p/ylbtechaspnetmvc/downloads/list

请单击“ylbtech ASP.NET MVC100010010”

百度网盘  http://pan.baidu.com/s/1i49zn73

请单击“ASP.NET MVC100010010”

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