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从零开始编写自己的C#框架(15)——Web层后端登陆功能

作者:佚名      ASP.NET网站开发编辑:admin      更新时间:2022-07-23

从零开始编写自己的C#框架(15)——Web层后端登陆功能

  对于一个后端管理系统,最重要内容之一的就是登陆页了,无论是安全验证、用户在线记录、相关日志记录、单用户或多用户使用帐号控制等,都是在这个页面进行处理的。

  1、在解决方案中创建一个Web项目,并将它设置为启动项

  

  2、添加引用

  

  

  

  3、添加WebManage文件夹与Login.aspx文件

  

  

  4、添加登陆页面HTML代码  

 1 <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Login.aspx.cs" Inherits="Solution.Web.Managers.WebManage.Login" %> 2  3 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 4 <html xmlns="http://www.w3.org/1999/xhtml"> 5 <head id="Head1" runat="server"> 6     <title>从零开始编写自己的C#框架——后端管理系统</title> 7     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 8     <link rel="stylesheet" href="CSS/login.css" /> 9     <script type="text/javascript">10         function Random(n) { return (Math.floor(Math.random() * n)); };11 12         function AjaxRnd() { return new Date().getTime() + '' + Random(10000); };13 14         function ShowKey() {15             document.getElementById("img_verifycode").src = "Base/Vcode.ashx?a=" + AjaxRnd();16         };17     </script>18 </head>19 <body>20     <!--CENTER开始-->21     <div class="login-container">22         <form id="form1" runat="server">23         <div class="login-header">24             <h3>25                 Login</h3>26         </div>27         <div id="login-content" class="clearfix">28             <div>29                 <label>30                     用户名</label>31                 <div>32                     <asp:TextBox runat="server" ID="txtusername" CssClass="input w92" />33                 </div>34                 <label>35                     密码</label>36                 <div>37                     <asp:TextBox runat="server" ID="txtpass" CssClass="input w92" TextMode="PassWord" />38                 </div>39                 <label>40                     验证码</label>41                 <div>42                     <asp:TextBox runat="server" ID="txtcode" CssClass="input w100 fl" />43                     <asp:Image ID="img_verifycode" runat="server" onclick="ShowKey();" ToolTip="更换验证码"44                         ImageUrl="Base/Vcode.ashx" />45                     <div class="fc"></div>46                 </div>47             </div>48             <div>49                 <asp:Button ID="BtnLogin" CssClass="btn" runat="server" OnClick="BtnLogin_Click"50                     Text="登陆" />51             </div>52         </div>53         </form>54     </div>55     <!--CENTER结束-->56 </body>57 </html>
View Code

  css样式在本文后面的解决方案中有

  浏览一下效果

  

  5、后端管理系统登陆验证流程图

  我们根据下面的流程图来编写登陆页代码

  6、添加在线列表数据表并修改管事员表相关字段

  执行下面SQL语句

  1 /****** Object:  Table [dbo].[Manager]    Script Date: 2014/6/4 22:27:52  ******/  2 if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[Manager]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)  3 drop table [dbo].[Manager]  4 GO  5   6 /****** Object:  Table [dbo].[Manager]    Script Date: 2014/6/4 22:27:52   ******/  7 CREATE TABLE [dbo].[Manager] (  8   [Id] [int] IDENTITY (1, 1) NOT NULL,  9   [LoginName] [nvarchar] (20) NOT NULL, 10   [LoginPass] [nvarchar] (32) NOT NULL, 11   [LoginTime] [datetime] NOT NULL, 12   [LoginIp] [nvarchar] (30) NOT NULL, 13   [LoginCount] [int] NOT NULL, 14   [CreateTime] [datetime] NOT NULL, 15   [UpdateTime] [datetime] NOT NULL, 16   [IsMultiUser] [tinyint] NOT NULL, 17   [Branch_Id] [int] NOT NULL, 18   [Branch_Code] [nvarchar] (20) NOT NULL, 19   [Branch_Name] [nvarchar] (25) NOT NULL, 20   [Position_Id] [nvarchar] (100) NOT NULL, 21   [Position_Name] [nvarchar] (30) NOT NULL, 22   [IsWork] [tinyint] NOT NULL, 23   [IsEnable] [tinyint] NOT NULL, 24   [CName] [nvarchar] (20) NOT NULL, 25   [EName] [nvarchar] (50) NOT NULL, 26   [PhotoImg] [nvarchar] (250) NOT NULL, 27   [Sex] [nvarchar] (4) NOT NULL, 28   [Birthday] [nvarchar] (20) NOT NULL, 29   [NativePlace] [nvarchar] (100) NOT NULL, 30   [NationalName] [nvarchar] (50) NOT NULL, 31   [Record] [nvarchar] (25) NOT NULL, 32   [GraduateCollege] [nvarchar] (30) NOT NULL, 33   [GraduateSpecialty] [nvarchar] (50) NOT NULL, 34   [Tel] [nvarchar] (30) NOT NULL, 35   [Mobile] [nvarchar] (30) NOT NULL, 36   [Email] [nvarchar] (50) NOT NULL, 37   [QQ] [nvarchar] (30) NOT NULL, 38   [Msn] [nvarchar] (30) NOT NULL, 39   [Address] [nvarchar] (100) NOT NULL, 40   [Content] [ntext] NOT NULL, 41   [Manager_Id] [int] NOT NULL, 42   [Manager_CName] [nvarchar] (20) NOT NULL 43 ) ON [PRIMARY] 44 GO 45  46 ALTER TABLE [dbo].[Manager] WITH NOCHECK ADD 47   CONSTRAINT [PK_Manager] PRIMARY KEY  CLUSTERED 48 ( 49  [Id] 50 )  ON [PRIMARY] 51 GO 52  53 ALTER TABLE [dbo].[Manager] ADD 54   CONSTRAINT [DF_Manager_LoginName] DEFAULT ('') FOR [LoginName], 55   CONSTRAINT [DF_Manager_LoginPass] DEFAULT ('') FOR [LoginPass], 56   CONSTRAINT [DF_Manager_LoginTime] DEFAULT (getdate()) FOR [LoginTime], 57   CONSTRAINT [DF_Manager_LoginIp] DEFAULT ('') FOR [LoginIp], 58   CONSTRAINT [DF_Manager_LoginCount] DEFAULT (0) FOR [LoginCount], 59   CONSTRAINT [DF_Manager_CreateTime] DEFAULT (getdate()) FOR [CreateTime], 60   CONSTRAINT [DF_Manager_UpdateTime] DEFAULT (getdate()) FOR [UpdateTime], 61   CONSTRAINT [DF_Manager_IsMultiUser] DEFAULT (0) FOR [IsMultiUser], 62   CONSTRAINT [DF_Manager_Branch_Id] DEFAULT (0) FOR [Branch_Id], 63   CONSTRAINT [DF_Manager_Branch_Code] DEFAULT ('') FOR [Branch_Code], 64   CONSTRAINT [DF_Manager_Branch_Name] DEFAULT ('') FOR [Branch_Name], 65   CONSTRAINT [DF_Manager_Position_Id] DEFAULT ('') FOR [Position_Id], 66   CONSTRAINT [DF_Manager_Position_Name] DEFAULT ('') FOR [Position_Name], 67   CONSTRAINT [DF_Manager_IsWork] DEFAULT (0) FOR [IsWork], 68   CONSTRAINT [DF_Manager_IsEnable] DEFAULT (1) FOR [IsEnable], 69   CONSTRAINT [DF_Manager_CName] DEFAULT ('') FOR [CName], 70   CONSTRAINT [DF_Manager_EName] DEFAULT ('') FOR [EName], 71   CONSTRAINT [DF_Manager_PhotoImg] DEFAULT ('') FOR [PhotoImg], 72   CONSTRAINT [DF_Manager_Sex] DEFAULT ('') FOR [Sex], 73   CONSTRAINT [DF_Manager_Birthday] DEFAULT ('') FOR [Birthday], 74   CONSTRAINT [DF_Manager_NativePlace] DEFAULT ('') FOR [NativePlace], 75   CONSTRAINT [DF_Manager_NationalName] DEFAULT ('') FOR [NationalName], 76   CONSTRAINT [DF_Manager_Record] DEFAULT ('') FOR [Record], 77   CONSTRAINT [DF_Manager_GraduateCollege] DEFAULT ('') FOR [GraduateCollege], 78   CONSTRAINT [D