distributerole.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Collections.Generic;
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;
using Office.Model;
using Office.BLL;

public partial class SysManage_RoleManage_DistributeRole : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            //从请求获得角色ID
            String roleId = Request.QueryString["RID"];
            if (roleId != null)
            {
                ViewState["RoleId"] = roleId;
                RoleInfo role = RoleInfoManager.GetRoleInfoByRoleId(Int32.Parse(roleId));
                lblCurrentRole.Text = role.RoleName;
             }
        }
        DisplayRoleRightInfo(Int32.Parse(ViewState["RoleId"].ToString()));
    }
    //根据角色ID显示角色的相关权限
    protected void DisplayRoleRightInfo(Int32 roleId)
    {
        //得到角色权限信息
        IList<RoleRight> currentRoleParentNodes = RoleRightManager.GetRoleRightsByRoleId(roleId);
        //创建一个集合将用户所有的角色权限添加进去
        ArrayList arrRoleParentNodes = new ArrayList();
        foreach (RoleRight roleRight in currentRoleParentNodes)
        {
            arrRoleParentNodes.Add(roleRight.Node.NodeId.ToString());
        }
        //获得数据中所有菜单信息
        IList<SysFun> sysFuns = SysFunManager.GetAllParentNodeInfo();

        foreach (SysFun sysFun in sysFuns)
        {
            string nodeId = sysFun.NodeId.ToString();//ID
            string displayName = sysFun.DisplayName;//Name
            //加载用户控件
            UserControl roleContol = (UserControl)LoadControl(@"RoleUserControl.ascx");
            //从用户控件中查找名为"hidParentMenu",并将value设为菜单ID 
            HtmlInputHidden hidParentMenu = (HtmlInputHidden)roleContol.FindControl("hidParentMenu");
            hidParentMenu.Value = nodeId;
            //从用户控件中查找名为"hidRoleId",并将Value属性设为角色ID
            HtmlInputHidden hidRoleId = (HtmlInputHidden)roleContol.FindControl("hidRoleId");
            hidRoleId.Value = roleId.ToString();
            //从用户控件中查找"chkParentMenu",将Text属性设为菜单名称
            CheckBox chkParentMenu = (CheckBox)roleContol.FindControl("chkParentMenu");
            chkParentMenu.Text = displayName;
            //判断用户角色权限集合里面是否有菜单的ID,true为选中,false为没选中
            if (arrRoleParentNodes.Contains(nodeId))
                chkParentMenu.Checked = true;
            //最后将其添加到控件容器中
            phRoleDistribute.Controls.Add(roleContol);
        }
    }
    protected void btnSave_ServerClick(object sender, EventArgs e)
    {
        int roleId = int.Parse(ViewState["RoleId"].ToString());
        //根据用户角色获得所有节点信息
        IList<RoleRight> currentRoleRights = RoleRightManager.GetRoleRightsByRoleId(roleId);
        //将得到的用户角色信息存放到集合中
        ArrayList arrRoleNodes = new ArrayList();
        foreach (RoleRight roleRight in currentRoleRights)
        {
            arrRoleNodes.Add(roleRight.Node.NodeId.ToString());
        }
        //Response.Write(phRoleDistribute.Controls.Count.ToString());
        
        //遍历每一个用户控件
        foreach (Control ct in phRoleDistribute.Controls)
        {
            //实例化父菜单
            CheckBox chk = (CheckBox)ct.FindControl("chkParentMenu");
            HtmlInputHidden hih = (HtmlInputHidden)ct.FindControl("hidParentMenu");
            //如果数据库不存在我们选中的节点,则添加该节点记录
            if (chk.Checked)
            {
                //如果复选框为选中状态而数据库中又没有,则添加
                if (!arrRoleNodes.Contains(hih.Value))
                {

                    RoleRightManager.InsertRoleRight(roleId.ToString(), hih.Value);
                }
            }
            else
            {
                //如果复选框没有选中而数据中又存在,则删除
                if (arrRoleNodes.Contains(hih.Value))
                {
                    RoleRightManager.DeleteRoleRight(roleId.ToString(), hih.Value);
                }
            }

            //实例化子菜单,添加删除子菜单算法同上
            CheckBoxList chklist = (CheckBoxList)ct.FindControl("chkChildMenu");
            foreach (ListItem li in chklist.Items)
            {
                if (li.Selected)
                {
                    if (!arrRoleNodes.Contains(li.Value))
                    {
                        RoleRightManager.InsertRoleRight(roleId.ToString(), li.Value);
                    }
                }
                else
                {
                    if (arrRoleNodes.Contains(li.Value))
                    {
                        RoleRightManager.DeleteRoleRight(roleId.ToString(), li.Value);
                    }
                }
            }
        }

        Response.Write("<script>alert('权限已生效!');self.document.location.href='RoleManage.aspx'</script>");
    }
    protected void btnRet_ServerClick(object sender, EventArgs e)
    {
        Response.Redirect("RoleManage.aspx");
    }
}