ASP.NET&Spring.NET&NHibernate最佳實務(二十三)——第4章許可權子系統（16）

4.6. 許可權子系統展示層(Web)
修改SignIn.aspx<asp:Content ID="MiddleColumnContent" ContentPlaceHolderID="MiddleColumnZone" runat="server">
    <asp:Panel ID="Panel1" runat="server" GroupingText="使用者登入">
        <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 />
         角色名稱：<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.csusing 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);
            }
        }
    }
}