上次业务逻辑和展示层的架构都写了,可以开始进行具体功能的实现,这次先实现管理员的登录、验证和注销功能。
一、业务逻辑层1、实现256散列加密方法。
Ninesky.Core【右键】-> 添加->文件夹,输入文件夹名General。
General文件夹【右键】->添加->类,输入类名Security。
引用System.Security.Cryptography命名空间(1),并实现SHA256静态加密方法。
2、Administrator模型类
Ninesky.Core【右键】-> 添加->类,输入类名Administrator。
添加引用System.ComponentModel.DataAnnotations; 完成的类代码
using System;
using System.ComponentModel.DataAnnotations;
namespace Ninesky.Core
{
/// <summary>
/// 管理员模型
/// </summary>
public class Administrator
{
[Key]
public int AdministratorID { get; set; }
/// <summary>
/// 帐号
/// </summary>
[Required(ErrorMessage = "必须输入{0}")]
[StringLength(30, MinimumLength = 4, ErrorMessage ="{0}长度为{2}-{1}个字符")]
[Display(Name ="帐号")]
public string Accounts { get; set; }
/// <summary>
/// 密码
/// </summary>
[DataType(DataType.Password)]
[Required(ErrorMessage = "必须输入{0}")]
[StringLength(256,ErrorMessage = "{0}长度少于{1}个字符")]
[Display(Name = "密码")]
public string Password { get; set; }
/// <summary>
/// 登录IP
/// </summary>
[Display(Name = "登录IP")]
public string LoginIP { get; set; }
/// <summary>
/// 登录时间
/// </summary>
[Display(Name = "登录时间")]
public Nullable<DateTime> LoginTime { get; set; }
/// <summary>
/// 创建时间
/// </summary>
[Display(Name = "创建时间")]
public DateTime CreateTime { get; set; }
}
}
3、数据上下文
打开Ninesky.Core->NineskyContext.cs 添加Administrators属性
红框内为添加内容。
4、AdministratorManager管理类
Ninesky.Core【右键】-> 添加->类,输入类名AdministratorManager。
类继承自BaseManager<Administrator>。
为类添加Ninesky.Core.Types引用。
using Ninesky.Core.Types;
using System;
namespace Ninesky.Core
{
public class AdministratorManager : BaseManager<Administrator>
{
/// <summary>
/// 添加
/// </summary>
/// <param name="admin">管理员实体</param>
/// <returns></returns>
public override Response Add(Administrator admin)
{
Response _resp = new Response();
if (HasAccounts(admin.Accounts))
{
_resp.Code = 0;
_resp.Message = "帐号已存在";
}
else _resp = base.Add(admin);
return _resp;
}
/// <summary>
/// 修改密码
/// </summary>
/// <param name="administratorID">主键</param>
/// <param name="password">新密码【密文】</param>
/// <returns></returns>
public Response ChangePassword(int administratorID, string password)
{
Response _resp = new Response();
var _admin = Find(administratorID);
if (_admin == null)
{
_resp.Code = 0;
_resp.Message = "该主键的管理员不存在";
}
else
{
_admin.Password = password;
_resp = Update(_admin);
}
return _resp;
}
/// <summary>
/// 删除
/// </summary>
/// <param name="administratorID">主键</param>
/// <returns></returns>
public override Response Delete(int administratorID)
{
Response _resp = new Response();
if (Count() == 1)
{
_resp.Code = 0;
_resp.Message = "不能删除唯一的管理员帐号";
}
else _resp = base.Delete(administratorID);
return _resp;
}
/// <summary>
/// 查找
/// </summary>
/// <param name="accounts">帐号</param>
/// <returns></returns>
public Administrator Find(string accounts)
{
return base.Repository.Find(a => a.Accounts == accounts);
}
/// <summary>
/// 帐号是否存在
/// </summary>
/// <param name="accounts">帐号</param>
/// <returns></returns>
public bool HasAccounts(string accounts)
{
return base.Repository.IsContains(a => a.Accounts.ToUpper() == accounts.ToUpper());
}
/// <summary>
/// 更新登录信息
/// </summary>
/// <param name="administratorID">主键</param>
/// <param name="ip">IP地址</param>
/// <param name="time">时间</param>
/// <returns></returns>
public Response UpadateLoginInfo(int administratorID, string ip, DateTime time)
{
Response _resp = new Response();
var _admin = Find(administratorID);
if (_admin == null)
{
_resp.Code = 0;
_resp.Message = "该主键的管理员不存在";
}
else
{
_admin.LoginIP = ip;
_admin.LoginTime = time;
_resp = Update(_admin);
}
return _resp;
}
/// <summary>
/// 验证
/// </summary>
/// <param name="accounts">帐号</param>
/// <param name="password">密码【密文】</param>
/// <returns>Code:1-成功;2-帐号不存在;3-密码错误</returns>
public Response Verify(string accounts, string password)
{
Response _resp = new Response();
var _admin = base.Repository.Find(a => a.Accounts == accounts);
if (_admin == null)
{
_resp.Code = 2;
_resp.Message = "帐号为:【" + accounts + "】的管理员不存在";
}
else if (_admin.Password == password)
{
_resp.Code = 1;
_resp.Message = "验证通过";
}
else
{
_resp.Code = 3;
_resp.Message = "帐号密码错误";
}
return _resp;
}
}
}
二、展示层实现
首先,添加css。
Ninesky.Web->Content【右键】->添加->试样表,输入名称StyleControl。
打开Ninesky.Web->App_Start->BundleConfig.cs。
添加红框内代码。StyleControl.css具体内容这里省略了。
其次,添加对Ninesky.Core的引用。
Ninesky.Web->引用【右键】->添加引用.。在引用管理器中选择 项目->解决方案->Ninesky.Core.
处理完这两项内容就继续具体内容了:
1、管理员身份验证类AdminAuthorizeAttribute
AdminAuthorizeAttribute继承自AuthorizeAttribute,重写AuthorizeCore方法,通过Session["AdminID"]来判断管理员是否已经登录,重写HandleUnauthorizedRequest方法来处理未登录时的页面跳转。
using System.Web;
using System.Web.Mvc;
namespace Ninesky.Web.Areas.Control
{
/// <summary>
/// 管理员身份验证类
/// </summary>
public class AdminAuthorizeAttribute : AuthorizeAttribute
{
/// <summary>
/// 重写自定义授权检查
/// </summary>
/// <returns></returns>
protected override bool AuthorizeCore(HttpContextBase httpContext)
{
if (httpContext.Session["AdminID"] == null) return false;
else return true;
}
/// <summary>
/// 重写未授权的 HTTP 请求处理
/// </summary>
protected override void HandleUnauthorizedRequest(AuthorizationContext filterContext)
{
filterContext.Result = new RedirectResult("~/Control/Admin/Login");
}
}
}
Ninesky.Web->Areas->Control【右键】->添加->类,输入控制器名称HomeController。
为HomeController添加[AdminAuthorize]
2、管理员控制器Ninesky.Web->Areas->Control->Controllers【右键】->添加->控制器。选择 MVC5 控制器 – 空, 输入控制器名称Admin。
在控制器中引用Ninesky.Core、Ninesky.Core.General和Ninesky.Web.Areas.Control.Models命名空间。
添加私有变量private AdministratorManager adminManager = new AdministratorManager();
为AdminController添加[AdminAuthorize]
3.1 管理员登录
3.1.1 登录视图模型
Ninesky.Web->Areas->Control->Models【右键】->添加->类,输入类名LoginViewModel。
namespace Ninesky.Web.Areas.Control.Models
{
/// <summary>
/// 登录模型
/// </summary>
public class LoginViewModel
{
/// <summary>
/// 帐号
/// </summary>
[Required(ErrorMessage = "必须输入{0}")]
[StringLength(30, MinimumLength = 4, ErrorMessage = "{0}长度为{2}-{1}个字符")]
[Display(Name = "帐号")]
public string Accounts { get; set; }
/// <summary>
/// 密码
/// </summary>
[DataType(DataType.Password)]
[Required(ErrorMessage = "必须输入{0}")]
[StringLength(20,MinimumLength =6, ErrorMessage = "{0}长度{2}-{1}个字符")]
[Display(Name = "密码")]
public string Password { get; set; }
}
}
3.1.2 登录方法
在AdminController中添加Login()方法
/// <summary>
/// 登录
/// </summary>
/// <returns></returns>
[AllowAnonymous]
public ActionResult Login()
{
return View();
}
3.1.3 登录视图
在Login()方法上点【右键】->添加视图
模板选Create,模型类选LoginViewModel ,选项选中引用脚本库。完成后代码
@model Ninesky.Web.Areas.Control.Models.LoginViewModel
@{
Layout = null;
}
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>登录</title>
@Styles.Render("~/Content/controlcss")
@Scripts.Render("~/bundles/modernizr")
</head>
<body>
@Scripts.Render("~/bundles/jquery")
@Scripts.Render("~/bundles/jqueryval")
<div class="loginform">
<div class="form-horizontal">
<h2 class="text-primary">登录</h2>
@using (Html.BeginForm())
{
@Html.AntiForgeryToken()
@Html.ValidationSummary(true, "", new { @class = "text-danger" })
<div class="form-group form-group-lg">
@Html.EditorFor(model => model.Accounts, new { htmlAttributes = new { @class = "form-control", placeholder = "帐号" } })
@Html.ValidationMessageFor(model => model.Accounts, "", new { @class = "text-danger" })
</div>
<div class="form-group form-group-lg">
@Html.EditorFor(model => model.Password, new { htmlAttributes = new { @class = "form-control", placeholder = "密码" } })
@Html.ValidationMessageFor(model => model.Password, "", new { @class = "text-danger" })
</div>
<div class="form-group form-group-lg">
<input type="submit" value="登录" class="btn btn-default pull-right" />
</div>
}
</div>
</div>
</body>
</html>
在AdminController中添加登录的处理方法public ActionResult Login(LoginViewModel loginViewModel)
[AllowAnonymous]
[ValidateAntiForgeryToken]
[HttpPost]
public ActionResult Login(LoginViewModel loginViewModel)
{
if(ModelState.IsValid)
{
string _passowrd = Security.SHA256(loginViewModel.Password);
var _response = adminManager.Verify(loginViewModel.Accounts, _passowrd);
if (_response.Code == 1)
{
var _admin = adminManager.Find(loginViewModel.Accounts);
Session.Add("AdminID", _admin.AdministratorID);
Session.Add("Accounts", _admin.Accounts);
_admin.LoginTime = DateTime.Now;
_admin.LoginIP = Request.UserHostAddress;
adminManager.Update(_admin);
return RedirectToAction("Index", "Home");
}
else if (_response.Code == 2) ModelState.AddModelError("Accounts", _response.Message);
else if (_response.Code == 3) ModelState.AddModelError("Password", _response.Message);
else ModelState.AddModelError("",_response.Message);
}
return View(loginViewModel);
}
4、注销
在AdminController中添加注销的处理方法public ActionResult Logout()
/// <summary>
/// 注销
/// </summary>
/// <returns></returns>
public ActionResult Logout()
{
Session.Clear();
return RedirectToAction("Login");
}
完工可以按F5测试了。
登录界面,输入帐号mzwhj 密码123456,登录成功。
登录成功界面。
=====================================================
代码见:https://ninesky.codeplex.com/SourceControl/latest
代码下载:https://ninesky.codeplex.com 点击SOURCE CODE 点击Download下载源文件。
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