securityroles.aspx.cs

三层架构的.net源码三层架构的.net源码

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;

namespace MyStarterKit.Portal.Web
{
	/// <summary>
	/// SecurityRoles 的摘要说明。
	/// </summary>
	public class SecurityRoles : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Message;
		protected System.Web.UI.WebControls.TextBox windowsUserName;
		protected System.Web.UI.WebControls.LinkButton addNew;
		protected System.Web.UI.WebControls.DropDownList allUsers;
		protected System.Web.UI.WebControls.LinkButton addExisting;
		protected System.Web.UI.WebControls.DataList usersInRole;
		protected System.Web.UI.WebControls.LinkButton saveBtn;
		protected System.Web.UI.HtmlControls.HtmlGenericControl title;
	
		int    roleId   = -1;
		String roleName = "";

		private void Page_Load(object sender, System.EventArgs e)
		{
			// 用户角色为Admins的才能访问该管理模块，否则重定向到EditAccessDenied.aspx
			if (PortalSecurity.IsInRoles("Admins") == false) 
			{
				Response.Redirect("~/Admin/EditAccessDenied.aspx");
			}

			// 角色Id
			if (Request.Params["roleid"] != null) 
			{
				roleId = Int32.Parse(Request.Params["roleid"]);
			}
			// 角色名称
			if (Request.Params["rolename"] != null) 
			{
				roleName = (String)Request.Params["rolename"];
			}
			if (!Page.IsPostBack) 
			{

				BindData();
			}
		}

		/// <summary>
		/// 保存修改
		/// </summary>
		/// <param name="Sender"></param>
		/// <param name="e"></param>
		private void Save_Click(Object Sender, EventArgs e) 
		{
			// 获取管理标签的索引adminIndex，管理标签默认为最后一个
			PortalSettings portalSettings = (PortalSettings) Context.Items["PortalSettings"];
			int adminIndex = portalSettings.DesktopTabs.Count-1;        
			// 返回管理页
			Response.Redirect("~/DesktopDefault.aspx?tabindex=" + adminIndex.ToString() + "&tabid=" + ((TabStripDetails)portalSettings.DesktopTabs[adminIndex]).TabId);
		}

		/// <summary>
		/// 添加用户到，该角色的成员中去
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void AddUser_Click(Object sender, EventArgs e) 
		{
			// 用户id
			int userId;
        
			if (((LinkButton)sender).ID == "addNew") 
			{
				// 添加新用户（用户名和Email都是windowsUserName.Text，密码是"acme"）
				UsersDB users = new UsersDB();
				if ((userId = users.AddUser(windowsUserName.Text, windowsUserName.Text, "acme")) == -1) 
				{
					Message.Text = "添加失败！用户 <" + "u" + ">" + windowsUserName.Text + "<" + "/u" + "> 已经存在。" + "<" + "br" + ">" + "请重新换一个。";
				}
			}
			else 
			{
				// 获取选中用户的Id
				userId = Int32.Parse(allUsers.SelectedItem.Value);
			}
              
			if (userId != -1) 
			{
				// 添加到角色成员中
				RolesDB roles = new RolesDB();
				roles.AddUserRole(roleId, userId);
			}
        
			// Rebind list
			BindData();
		}

		/// <summary>
		/// 当用户列表有按钮事件触发时
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void usersInRole_ItemCommand(object sender, DataListCommandEventArgs e) 
		{

			RolesDB roles = new RolesDB();
			int userId = (int) usersInRole.DataKeys[e.Item.ItemIndex];
			// 将指定用户重该角色中删除
			if (e.CommandName == "delete") 
			{

				// update database
				roles.DeleteUserRole(roleId, userId);

				// Ensure that item is not editable
				usersInRole.EditItemIndex = -1;

				// Repopulate list
				BindData();
			}
		}
    
		/// <summary>
		/// 初始化页面控件
		/// </summary>
		private void BindData() 
		{
    
			// 当身份验证类型不为Forms时，显示windowsUserName
			if (User.Identity.AuthenticationType != "Forms") 
			{
				windowsUserName.Visible = true;
				addNew.Visible = true;
			}

			// add the role name to the title
			if (roleName != "") 
			{
				title.InnerText = "角色成员：" + roleName;
			}
		
			// 从数据库中读取角色信息
			RolesDB roles = new RolesDB();
        
			// 绑定角色列表
			usersInRole.DataSource = roles.GetRoleMembers(roleId);
			usersInRole.DataBind();

			// 绑定角色用户列表
			allUsers.DataSource = roles.GetUsers();
			allUsers.DataBind();
		}


		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.addNew.Click += new System.EventHandler(this.AddUser_Click);
			this.addExisting.Click += new System.EventHandler(this.AddUser_Click);
			this.usersInRole.ItemCommand += new System.Web.UI.WebControls.DataListCommandEventHandler(this.usersInRole_ItemCommand);
			this.saveBtn.Click += new System.EventHandler(this.Save_Click);
			this.Load += new System.EventHandler(this.Page_Load);
		}
		#endregion
	}
}