如何在Cuyahoga中添加公告模块
国外的开源CMS一般都是基于模块设计的 ,好处是可以随意定制自己的页面和模块,这样在以后的应用中就能够灵活的满足变化的功能需求. 一个模块齐全的CMS如DNN , Rainbow就可以快速搭建符合需求的系统. 下面就来介绍如何为Cuyahoga这个著名的开源网站框架加入具有后台管理的公告模块.可以参考这篇 如何在Cuyahoga中新增一个简单的功能模块了解基础的步骤. 为Cuyahoga开发自定义模块时,你可以选择任何数据访问策略.然而Cuyahoga本身是使用NHibernate作为数据持久层,可以做到支持多数据库. 采用Castle.Windsor进行依赖注入,降低模块之间的耦合. 我们的数据访问层也将用NHibernate实现. 最终项目的目录结构如下: 主要步骤如下 1 .创建一个Sql文件(Install.sql)用来安装数据表及添加模块的相关信息 , 该sql文件会在安装模块时,由Cuyahoga自动执行.也可以手工执行进行安装.
install.sql
IF NOT EXISTS (SELECT * FROM sysobjects WHERE id = OBJECT_ID(N'[cm_Announcements]') AND OBJECTPROPERTY(id, N'IsUserTable') = 1) BEGIN CREATE TABLE [cm_Announcements] ( [AnnouncementsID] [int] IDENTITY (1,1)NOT NULL , [sectionid] [int] NOT NULL , [createdby] [nvarchar] (100) NULL ,//公告作者 [Title] [nvarchar] (150) NULL ,//公告标题 inserttimestamp datetime DEFAULT current_timestamp NOT NULL, updatetimestamp datetime DEFAULT current_timestamp NOT NULL, CONSTRAINT [PK_cm_Announcements] PRIMARY KEY NONCLUSTERED ( [AnnouncementsID] ), CONSTRAINT [FK_cm_Announcements_cm_Modules] FOREIGN KEY (sectionid) REFERENCES cuyahoga_section (sectionid) ) END GO /*加入模块信息*/ INSERT INTO cuyahoga_moduletype ([name], assemblyname, classname, path, editpath, inserttimestamp, updatetimestamp) VALUES ('Announcements', 'Cuyahoga.Modules.Announcements', 'Cuyahoga.Modules.Announcements.AnnouncementsModule', 'Modules/Announcements/Announcements.ascx', 'Modules/Announcements/EditAnnouncements.aspx', current_timestamp, current_timestamp) GO /*加入模块版本信息*/ INSERT INTO cuyahoga_version (assembly, major, minor, patch) VALUES ('Cuyahoga.Modules.Announcements', 1, 5, 0); go
2.创建域模型 在本例中是实体类
Announcement.cs
using System; using Cuyahoga.Core.Domain; namespace Cuyahoga.Modules.Announcements.Domain { public class Announcement { private int _id; private string _title; private string _content; private DateTime _expiredate; private Section _section; private User _createdBy; private DateTime _updateTimestamp; /// <summary> /// Property Id (int) /// </summary> public int Id { get { return this._id; } set { this._id = value; } } /// <summary> /// Property Title (string) /// </summary> public string Title { get { return this._title; } set { this._title = value; } } /// <summary> /// Property Section (Section) /// </summary> public Section Section { get { return this._section; } set { this._section = value; } } /// <summary> /// Property CreatedBy (User) /// </summary> public User CreatedBy { get { return this._createdBy; } set { this._createdBy = value; } } /// <summary> /// Property UpdateTimestamp (DateTime) /// </summary> public DateTime UpdateTimestamp { get { return this._updateTimestamp; } set { this._updateTimestamp = value; } } public Announcement() { this._id = -1; } } }
3.创建映射文件
Announcement.hbm.xml
<?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.0"> <class name="Cuyahoga.Modules.Announcements.Domain.Announcement, Cuyahoga.Modules.Announcements" table="cm_Announcements"> <id name="Id" column="Announcementsid" type="Int32" unsaved-value="-1"> <generator class="native"> <param name="sequence">cm_Announcements_Announcementsid_seq</param> </generator> </id> <timestamp name="UpdateTimestamp" column="updatetimestamp" /> <property name="Title" column="title" type="String" length="150" /> <many-to-one name="Section" class="Cuyahoga.Core.Domain.Section, Cuyahoga.Core" column="sectionid" not-null="true" /> <many-to-one name="CreatedBy" class="Cuyahoga.Core.Domain.User, Cuyahoga.Core" column="createdby" not-null="true" /> </class> </hibernate-mapping>
4.创建公告模块的核心控制类
AnnouncementsModule.cs
using System; using System.Collections; using System.Xml; using System.Xml.XPath; using System.Net; using System.Web; using System.Text; using System.IO; using System.Threading; using NHibernate; using Castle.Services.Transaction; using Castle.Facilities.NHibernateIntegration; using log4net; using Cuyahoga.Core; using Cuyahoga.Core.Domain; using Cuyahoga.Core.Service; using Cuyahoga.Core.Util; using Cuyahoga.Web.Util; using Cuyahoga.Web.Components; using Cuyahoga.Modules.Announcements.Domain; namespace Cuyahoga.Modules.Announcements { //采用Facilities管理事务 [Transactional] public class AnnouncementsModule : ModuleBase, INHibernateModule { private static readonly ILog log = LogManager.GetLogger(typeof(AnnouncementsModule)); private int _cacheDuration; private ISessionManager _sessionManager; //该模块需要用到NHibernate session manager提供的服务 进行依赖注入 public AnnouncementsModule(ISessionManager sessionManager) { this._sessionManager = sessionManager; } public override void ReadSectionSettings() { base.ReadSectionSettings(); // Set dynamic module settings this._cacheDuration = Convert.ToInt32(base.Section.Settings["CACHE_DURATION"]); } ///不创建子事务 [Transaction(TransactionMode.RequiresNew)] public virtual IList GetAllAnnouncements() { ISession session = this._sessionManager.OpenSession(); string hql = "from Announcement f where f.Section.Id = :sectionId"; IQuery q = session.CreateQuery(hql); q.SetInt32("sectionId", base.Section.Id); return q.List(); } [Transaction(TransactionMode.RequiresNew)] public virtual Announcement GetAnnouncementsById(int AnnouncementsID) { ISession session = this._sessionManager.OpenSession(); return (Announcement)session.Load(typeof(Announcement), AnnouncementsID); } [Transaction(TransactionMode.RequiresNew)] public virtual void SaveAnnouncement(Announcement announcements) { ISession session = this._sessionManager.OpenSession(); session.SaveOrUpdate(announcements); } [Transaction(TransactionMode.RequiresNew)] public virtual void DeleteAnnouncements(Announcement announcements) { ISession session = this._sessionManager.OpenSession(); session.Delete(announcements); } } }
5.创建用于前台显示的用户控件 用来显示公告的标题 作者和发布时间.
Announcements.ascx
<%@ Control Language="C#" AutoEventWireup="true" Codebehind="Announcements.ascx.cs" Inherits="Cuyahoga.Modules.Announcements.Web.Announcements" %> <asp:repeater id="rptAnnouncementItems" runat="server" enableviewstate="False"> <itemtemplate> <div class="genericdetails" style="width:100%"> <marquee direction="left" > <asp:label id="lblTitle" runat="server"><%# DataBinder.Eval(Container.DataItem, "Title")%></asp:label> <asp:label id="lblAuthor" runat="server">作者:<%# DataBinder.Eval(Container.DataItem, "CreatedBy.FullName")%></asp:label> <asp:label id="lblTime" runat="server">发布时间:<%# DataBinder.Eval(Container.DataItem, "UpdateTimestamp")%></asp:label> </marquee> </div> </itemtemplate> </asp:repeater>
Announcements.ascx.cs
using System; using System.Data; using System.Drawing; using System.Web; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using Cuyahoga.Core.Util; using Cuyahoga.Web.UI; using Cuyahoga.Modules.Announcements.Domain; namespace Cuyahoga.Modules.Announcements.Web { public partial class Announcements : BaseModuleControl { private AnnouncementsModule _module; protected void Page_Load(object sender, EventArgs e) { if (!this.IsPostBack && !base.HasCachedOutput) { this._module = base.Module as AnnouncementsModule; this.rptAnnouncementItems.DataSource = this._module.GetAllAnnouncements(); this.rptAnnouncementItems.DataBind(); } } } }
6.创建公告管理的列表页面
EditAnnouncements.aspx
<%@ Page Language="C#" AutoEventWireup="true" Codebehind="EditAnnouncements.aspx.cs" Inherits="Cuyahoga.Modules.Announcements.Web.EditAnnouncements" %> <!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>公告管理页面</title> </head> <body> <form id="Form1" method="post" runat="server"> <div id="moduleadminpane"> <h1> 公告管理</h1> <table class="tbl"> <asp:Repeater ID="rptAnnouncements" runat="server" OnItemDataBound="rptFiles_ItemDataBound"> <HeaderTemplate> <tr> <th> 公告标题</th> <th> 作者</th> <th> 发布日期</th> <th> </th> </tr> </HeaderTemplate> <ItemTemplate> <tr> <td> <%# DataBinder.Eval(Container.DataItem, "Title") %> </td> <td> <%# DataBinder.Eval(Container.DataItem, "CreatedBy.FullName")%> </td> <td> <asp:Literal ID="litDateModified" runat="server"></asp:Literal></td> <td> <asp:HyperLink ID="hplEdit" runat="server">修改</asp:HyperLink> </td> </tr> </ItemTemplate> </asp:Repeater> </table> <br /> <input id="btnNew" type="button" value="新的公告" runat="server" name="btnNew"/> </div> </form> </body> </html>
EditAnnouncements.aspx.cs
using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using Cuyahoga.Core.Domain; using Cuyahoga.Core.Util; using Cuyahoga.Web.UI; using Cuyahoga.Modules.Announcements.Domain; namespace Cuyahoga.Modules.Announcements.Web { public partial class EditAnnouncements : ModuleAdminBasePage { private AnnouncementsModule _module; protected void Page_Load(object sender, EventArgs e) { // The base page has already created the module, we only have to cast it here to the right type. this._module = base.Module as AnnouncementsModule; this.btnNew.Attributes.Add("onclick", String.Format("document.location.href= 'EditAnnouncement.aspx{0}&AnnouncementId=-1'", base.GetBaseQueryString())); if (!this.IsPostBack) { BindFiles(); } } private void BindFiles() { this.rptAnnouncements.DataSource = this._module.GetAllAnnouncements(); this.rptAnnouncements.DataBind(); } protected void rptFiles_ItemDataBound(object sender, System.Web.UI.WebControls.RepeaterItemEventArgs e) { Announcement announce = e.Item.DataItem as Announcement; Literal litDateModified = e.Item.FindControl("litDateModified") as Literal; if (litDateModified != null) { litDateModified.Text = TimeZoneUtil.AdjustDateToUserTimeZone(announce.UpdateTimestamp, this.User.Identity).ToString(); } HyperLink hplEdit = e.Item.FindControl("hpledit") as HyperLink; if (hplEdit != null) { hplEdit.NavigateUrl = String.Format("~/Modules/Announcements/EditAnnouncement.aspx{0}&AnnouncementId={1}", base.GetBaseQueryString(), announce.Id); } } } }
7.创建公告管理的具体页面
EditAnnouncement.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="EditAnnouncement.aspx.cs" Inherits="Cuyahoga.Modules.Announcements.Web.EditAnnouncement" %> <!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>修改公告页面</title> </head> <body> <form id="Form1" method="post" runat="server"> <div id="moduleadminpane"> <h1> 修改公告</h1> <div class="group"> <h4> 公告信息</h4> <table> <tr> <td style="width: 100px"> 标题：</td> <td> <asp:TextBox ID="txtTitle" runat="server" Width="300px"></asp:TextBox> <asp:RequiredFieldValidator ID="rfTitle" runat="server" ErrorMessage="输入标题" Display="Dynamic" CssClass="validator" ControlToValidate="txtTitle" EnableClientScript="False"></asp:RequiredFieldValidator> </td> </tr> </table> </div> <p> <asp:Button ID="btnSave" runat="server" Text="保存" OnClick="btnSave_Click"></asp:Button><asp:Button ID="btnDelete" runat="server" Visible="False" CausesValidation="False" Text="删除" OnClick="btnDelete_Click"></asp:Button><asp:Button ID="btnCancel" runat="server" CausesValidation="False" Text="取消" OnClick="btnCancel_Click"></asp:Button></p> </div> </form> </body> </html>
EditAnnouncement.aspx.cs
using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using Cuyahoga.Core.Domain; using Cuyahoga.Web.UI; using Cuyahoga.Modules.Announcements.Domain; namespace Cuyahoga.Modules.Announcements.Web { public partial class EditAnnouncement : ModuleAdminBasePage { private AnnouncementsModule _module; private int _announcementid; private Announcement _announcement; protected void Page_Load(object sender, EventArgs e) { // The base page has already created the module, we only have to cast it here to the right type. this._module = base.Module as AnnouncementsModule; this._announcementid = Int32.Parse(Request.QueryString["AnnouncementId"]); if (this._announcementid > 0) { this._announcement = this._module.GetAnnouncementsById(this._announcementid); if (!this.IsPostBack) { BindAnnouncement(); } this.btnDelete.Visible = true; this.btnDelete.Attributes.Add("onclick", "return confirm('Are you sure?');"); } else { this._announcement = new Announcement(); this.btnDelete.Visible = false; } } #region Web Form Designer generated code override protected void OnInit(EventArgs e) { // // CODEGEN: This call is required by the ASP.NET Web Form Designer. // base.OnInit(e); } #endregion private void BindAnnouncement() { this.txtTitle.Text = this._announcement.Title; this.txtContent.Text = this._announcement.Content; //this.calDatePublished.SelectedDate = this._file.DatePublished; } protected void btnSave_Click(object sender, EventArgs e) { if (this.IsValid) { this._announcement.CreatedBy = this.User.Identity as User; this._announcement.Title = this.txtTitle.Text; this._announcement.Content = this.txtContent.Text; this._announcement.Section = base.Section; //this._announcement.UpdateTimestamp = DateTime.Now; this._announcement.ExpireDate = DateTime.Now.AddDays(5); try { // Only save meta data. this._module.SaveAnnouncement(this._announcement); Context.Response.Redirect("EditAnnouncements.aspx" + base.GetBaseQueryString()); } catch (Exception ex) { ShowError("Error saving file: " + ex.Message); } } } protected void btnDelete_Click(object sender, EventArgs e) { try { this._module.DeleteAnnouncements(this._announcement); Context.Response.Redirect("EditAnnouncements.aspx" + base.GetBaseQueryString()); } catch (Exception ex) { ShowError("Error deleting Announcements: " + ex.Message); } } protected void btnCancel_Click(object sender, EventArgs e) { Context.Response.Redirect("EditAnnouncements.aspx" + base.GetBaseQueryString()); } } }
到此就完成了公告模块的开发 在后台页面将模块添加到前台页面就可以显示了. 可以改进的地方: 为模块添加url重写,在后台管理页面设置参数
install.sql
IF NOT EXISTS (SELECT * FROM sysobjects WHERE id = OBJECT_ID(N'[cm_Announcements]') AND OBJECTPROPERTY(id, N'IsUserTable') = 1) BEGIN CREATE TABLE [cm_Announcements] ( [AnnouncementsID] [int] IDENTITY (1,1)NOT NULL , [sectionid] [int] NOT NULL , [createdby] [nvarchar] (100) NULL ,//公告作者 [Title] [nvarchar] (150) NULL ,//公告标题 inserttimestamp datetime DEFAULT current_timestamp NOT NULL, updatetimestamp datetime DEFAULT current_timestamp NOT NULL, CONSTRAINT [PK_cm_Announcements] PRIMARY KEY NONCLUSTERED ( [AnnouncementsID] ), CONSTRAINT [FK_cm_Announcements_cm_Modules] FOREIGN KEY (sectionid) REFERENCES cuyahoga_section (sectionid) ) END GO /*加入模块信息*/ INSERT INTO cuyahoga_moduletype ([name], assemblyname, classname, path, editpath, inserttimestamp, updatetimestamp) VALUES ('Announcements', 'Cuyahoga.Modules.Announcements', 'Cuyahoga.Modules.Announcements.AnnouncementsModule', 'Modules/Announcements/Announcements.ascx', 'Modules/Announcements/EditAnnouncements.aspx', current_timestamp, current_timestamp) GO /*加入模块版本信息*/ INSERT INTO cuyahoga_version (assembly, major, minor, patch) VALUES ('Cuyahoga.Modules.Announcements', 1, 5, 0); go
Announcement.cs
using System; using Cuyahoga.Core.Domain; namespace Cuyahoga.Modules.Announcements.Domain { public class Announcement { private int _id; private string _title; private string _content; private DateTime _expiredate; private Section _section; private User _createdBy; private DateTime _updateTimestamp; /// <summary> /// Property Id (int) /// </summary> public int Id { get { return this._id; } set { this._id = value; } } /// <summary> /// Property Title (string) /// </summary> public string Title { get { return this._title; } set { this._title = value; } } /// <summary> /// Property Section (Section) /// </summary> public Section Section { get { return this._section; } set { this._section = value; } } /// <summary> /// Property CreatedBy (User) /// </summary> public User CreatedBy { get { return this._createdBy; } set { this._createdBy = value; } } /// <summary> /// Property UpdateTimestamp (DateTime) /// </summary> public DateTime UpdateTimestamp { get { return this._updateTimestamp; } set { this._updateTimestamp = value; } } public Announcement() { this._id = -1; } } }
Announcement.hbm.xml
<?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.0"> <class name="Cuyahoga.Modules.Announcements.Domain.Announcement, Cuyahoga.Modules.Announcements" table="cm_Announcements"> <id name="Id" column="Announcementsid" type="Int32" unsaved-value="-1"> <generator class="native"> <param name="sequence">cm_Announcements_Announcementsid_seq</param> </generator> </id> <timestamp name="UpdateTimestamp" column="updatetimestamp" /> <property name="Title" column="title" type="String" length="150" /> <many-to-one name="Section" class="Cuyahoga.Core.Domain.Section, Cuyahoga.Core" column="sectionid" not-null="true" /> <many-to-one name="CreatedBy" class="Cuyahoga.Core.Domain.User, Cuyahoga.Core" column="createdby" not-null="true" /> </class> </hibernate-mapping>
AnnouncementsModule.cs
using System; using System.Collections; using System.Xml; using System.Xml.XPath; using System.Net; using System.Web; using System.Text; using System.IO; using System.Threading; using NHibernate; using Castle.Services.Transaction; using Castle.Facilities.NHibernateIntegration; using log4net; using Cuyahoga.Core; using Cuyahoga.Core.Domain; using Cuyahoga.Core.Service; using Cuyahoga.Core.Util; using Cuyahoga.Web.Util; using Cuyahoga.Web.Components; using Cuyahoga.Modules.Announcements.Domain; namespace Cuyahoga.Modules.Announcements { //采用Facilities管理事务 [Transactional] public class AnnouncementsModule : ModuleBase, INHibernateModule { private static readonly ILog log = LogManager.GetLogger(typeof(AnnouncementsModule)); private int _cacheDuration; private ISessionManager _sessionManager; //该模块需要用到NHibernate session manager提供的服务 进行依赖注入 public AnnouncementsModule(ISessionManager sessionManager) { this._sessionManager = sessionManager; } public override void ReadSectionSettings() { base.ReadSectionSettings(); // Set dynamic module settings this._cacheDuration = Convert.ToInt32(base.Section.Settings["CACHE_DURATION"]); } ///不创建子事务 [Transaction(TransactionMode.RequiresNew)] public virtual IList GetAllAnnouncements() { ISession session = this._sessionManager.OpenSession(); string hql = "from Announcement f where f.Section.Id = :sectionId"; IQuery q = session.CreateQuery(hql); q.SetInt32("sectionId", base.Section.Id); return q.List(); } [Transaction(TransactionMode.RequiresNew)] public virtual Announcement GetAnnouncementsById(int AnnouncementsID) { ISession session = this._sessionManager.OpenSession(); return (Announcement)session.Load(typeof(Announcement), AnnouncementsID); } [Transaction(TransactionMode.RequiresNew)] public virtual void SaveAnnouncement(Announcement announcements) { ISession session = this._sessionManager.OpenSession(); session.SaveOrUpdate(announcements); } [Transaction(TransactionMode.RequiresNew)] public virtual void DeleteAnnouncements(Announcement announcements) { ISession session = this._sessionManager.OpenSession(); session.Delete(announcements); } } }
Announcements.ascx
<%@ Control Language="C#" AutoEventWireup="true" Codebehind="Announcements.ascx.cs" Inherits="Cuyahoga.Modules.Announcements.Web.Announcements" %> <asp:repeater id="rptAnnouncementItems" runat="server" enableviewstate="False"> <itemtemplate> <div class="genericdetails" style="width:100%"> <marquee direction="left" > <asp:label id="lblTitle" runat="server"><%# DataBinder.Eval(Container.DataItem, "Title")%></asp:label> <asp:label id="lblAuthor" runat="server">作者:<%# DataBinder.Eval(Container.DataItem, "CreatedBy.FullName")%></asp:label> <asp:label id="lblTime" runat="server">发布时间:<%# DataBinder.Eval(Container.DataItem, "UpdateTimestamp")%></asp:label> </marquee> </div> </itemtemplate> </asp:repeater>
Announcements.ascx.cs
using System; using System.Data; using System.Drawing; using System.Web; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using Cuyahoga.Core.Util; using Cuyahoga.Web.UI; using Cuyahoga.Modules.Announcements.Domain; namespace Cuyahoga.Modules.Announcements.Web { public partial class Announcements : BaseModuleControl { private AnnouncementsModule _module; protected void Page_Load(object sender, EventArgs e) { if (!this.IsPostBack && !base.HasCachedOutput) { this._module = base.Module as AnnouncementsModule; this.rptAnnouncementItems.DataSource = this._module.GetAllAnnouncements(); this.rptAnnouncementItems.DataBind(); } } } }
EditAnnouncements.aspx
<%@ Page Language="C#" AutoEventWireup="true" Codebehind="EditAnnouncements.aspx.cs" Inherits="Cuyahoga.Modules.Announcements.Web.EditAnnouncements" %> <!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>公告管理页面</title> </head> <body> <form id="Form1" method="post" runat="server"> <div id="moduleadminpane"> <h1> 公告管理</h1> <table class="tbl"> <asp:Repeater ID="rptAnnouncements" runat="server" OnItemDataBound="rptFiles_ItemDataBound"> <HeaderTemplate> <tr> <th> 公告标题</th> <th> 作者</th> <th> 发布日期</th> <th> </th> </tr> </HeaderTemplate> <ItemTemplate> <tr> <td> <%# DataBinder.Eval(Container.DataItem, "Title") %> </td> <td> <%# DataBinder.Eval(Container.DataItem, "CreatedBy.FullName")%> </td> <td> <asp:Literal ID="litDateModified" runat="server"></asp:Literal></td> <td> <asp:HyperLink ID="hplEdit" runat="server">修改</asp:HyperLink> </td> </tr> </ItemTemplate> </asp:Repeater> </table> <br /> <input id="btnNew" type="button" value="新的公告" runat="server" name="btnNew"/> </div> </form> </body> </html>
EditAnnouncements.aspx.cs
using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using Cuyahoga.Core.Domain; using Cuyahoga.Core.Util; using Cuyahoga.Web.UI; using Cuyahoga.Modules.Announcements.Domain; namespace Cuyahoga.Modules.Announcements.Web { public partial class EditAnnouncements : ModuleAdminBasePage { private AnnouncementsModule _module; protected void Page_Load(object sender, EventArgs e) { // The base page has already created the module, we only have to cast it here to the right type. this._module = base.Module as AnnouncementsModule; this.btnNew.Attributes.Add("onclick", String.Format("document.location.href= 'EditAnnouncement.aspx{0}&AnnouncementId=-1'", base.GetBaseQueryString())); if (!this.IsPostBack) { BindFiles(); } } private void BindFiles() { this.rptAnnouncements.DataSource = this._module.GetAllAnnouncements(); this.rptAnnouncements.DataBind(); } protected void rptFiles_ItemDataBound(object sender, System.Web.UI.WebControls.RepeaterItemEventArgs e) { Announcement announce = e.Item.DataItem as Announcement; Literal litDateModified = e.Item.FindControl("litDateModified") as Literal; if (litDateModified != null) { litDateModified.Text = TimeZoneUtil.AdjustDateToUserTimeZone(announce.UpdateTimestamp, this.User.Identity).ToString(); } HyperLink hplEdit = e.Item.FindControl("hpledit") as HyperLink; if (hplEdit != null) { hplEdit.NavigateUrl = String.Format("~/Modules/Announcements/EditAnnouncement.aspx{0}&AnnouncementId={1}", base.GetBaseQueryString(), announce.Id); } } } }
EditAnnouncement.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="EditAnnouncement.aspx.cs" Inherits="Cuyahoga.Modules.Announcements.Web.EditAnnouncement" %> <!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>修改公告页面</title> </head> <body> <form id="Form1" method="post" runat="server"> <div id="moduleadminpane"> <h1> 修改公告</h1> <div class="group"> <h4> 公告信息</h4> <table> <tr> <td style="width: 100px"> 标题：</td> <td> <asp:TextBox ID="txtTitle" runat="server" Width="300px"></asp:TextBox> <asp:RequiredFieldValidator ID="rfTitle" runat="server" ErrorMessage="输入标题" Display="Dynamic" CssClass="validator" ControlToValidate="txtTitle" EnableClientScript="False"></asp:RequiredFieldValidator> </td> </tr> </table> </div> <p> <asp:Button ID="btnSave" runat="server" Text="保存" OnClick="btnSave_Click"></asp:Button><asp:Button ID="btnDelete" runat="server" Visible="False" CausesValidation="False" Text="删除" OnClick="btnDelete_Click"></asp:Button><asp:Button ID="btnCancel" runat="server" CausesValidation="False" Text="取消" OnClick="btnCancel_Click"></asp:Button></p> </div> </form> </body> </html>
EditAnnouncement.aspx.cs
using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using Cuyahoga.Core.Domain; using Cuyahoga.Web.UI; using Cuyahoga.Modules.Announcements.Domain; namespace Cuyahoga.Modules.Announcements.Web { public partial class EditAnnouncement : ModuleAdminBasePage { private AnnouncementsModule _module; private int _announcementid; private Announcement _announcement; protected void Page_Load(object sender, EventArgs e) { // The base page has already created the module, we only have to cast it here to the right type. this._module = base.Module as AnnouncementsModule; this._announcementid = Int32.Parse(Request.QueryString["AnnouncementId"]); if (this._announcementid > 0) { this._announcement = this._module.GetAnnouncementsById(this._announcementid); if (!this.IsPostBack) { BindAnnouncement(); } this.btnDelete.Visible = true; this.btnDelete.Attributes.Add("onclick", "return confirm('Are you sure?');"); } else { this._announcement = new Announcement(); this.btnDelete.Visible = false; } } #region Web Form Designer generated code override protected void OnInit(EventArgs e) { // // CODEGEN: This call is required by the ASP.NET Web Form Designer. // base.OnInit(e); } #endregion private void BindAnnouncement() { this.txtTitle.Text = this._announcement.Title; this.txtContent.Text = this._announcement.Content; //this.calDatePublished.SelectedDate = this._file.DatePublished; } protected void btnSave_Click(object sender, EventArgs e) { if (this.IsValid) { this._announcement.CreatedBy = this.User.Identity as User; this._announcement.Title = this.txtTitle.Text; this._announcement.Content = this.txtContent.Text; this._announcement.Section = base.Section; //this._announcement.UpdateTimestamp = DateTime.Now; this._announcement.ExpireDate = DateTime.Now.AddDays(5); try { // Only save meta data. this._module.SaveAnnouncement(this._announcement); Context.Response.Redirect("EditAnnouncements.aspx" + base.GetBaseQueryString()); } catch (Exception ex) { ShowError("Error saving file: " + ex.Message); } } } protected void btnDelete_Click(object sender, EventArgs e) { try { this._module.DeleteAnnouncements(this._announcement); Context.Response.Redirect("EditAnnouncements.aspx" + base.GetBaseQueryString()); } catch (Exception ex) { ShowError("Error deleting Announcements: " + ex.Message); } } protected void btnCancel_Click(object sender, EventArgs e) { Context.Response.Redirect("EditAnnouncements.aspx" + base.GetBaseQueryString()); } } }