ASP.NET&Spring.NET&NHibernate最佳实践(二十三)——第4章权限子系统（16）

4.6. 权限子系统表示层(Web)
修改SignIn.aspx

< asp:Content  ID ="MiddleColumnContent"  ContentPlaceHolderID ="MiddleColumnZone"  runat ="server" >
     < asp:Panel  ID ="Panel1"  runat ="server"  GroupingText ="用户登录" >
         < br  />
         < asp:Login  ID ="Login1"  runat ="server"  TitleText ="" >
         </ asp:Login >
     </ asp:Panel >
</ asp:Content >

修改Roles.aspx

< asp:Content  ID ="MiddleColumnContent"  ContentPlaceHolderID ="MiddleColumnZone"  runat ="server" >
     < asp:Panel  ID ="Panel1"  runat ="server"  GroupingText ="角色列表" >
         < br  />
         < asp:BulletedList  ID ="lstRoles"  runat ="server" >
                 </ asp:BulletedList >
     </ asp:Panel >
     < hr  />
     < asp:Panel  ID ="Panel2"  runat ="server"  GroupingText ="新增角色" >
         < br  />
         角色名称： < asp:TextBox  ID ="txtRoleName"  runat ="server" ></ asp:TextBox >
             < asp:Button  ID ="btnAddRole"  runat ="server"  Text ="新增角色"  OnClick ="btnAddRole_Click"   />
     </ asp:Panel >
</ asp:Content >

修改Roles.aspx.cs

using  System;
using  System.Data;
using  System.Configuration;
using  System.Collections;
using  System.Web;
using  System.Web.Security;
using  System.Web.UI;
using  System.Web.UI.WebControls;
using  System.Web.UI.WebControls.WebParts;
using  System.Web.UI.HtmlControls;

public   partial   class  Roles : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            BindRoles();
        }
    }

    protected void btnAddRole_Click(object sender, EventArgs e)
    {
        System.Web.Security.Roles.CreateRole(txtRoleName.Text);

        BindRoles();
    }

    private void BindRoles()
    {
        lstRoles.Items.Clear();

        string[] roles = System.Web.Security.Roles.GetAllRoles();

        if (roles != null)
        {
            foreach (string role in roles)
            {
                lstRoles.Items.Add(role);
            }
        }
    }
}