建立权限树TreeView

 EUserType.cs

 public enum EUserType
    {
        SystemManager = 1,
        CompanyManager = 2,
        DepartmentManager = 3,
        Employeer = 4,
    }

PermissionCtrl.cs

    public static class FunctionNO
    {
        public static readonly int SimInfo = 1;
        public static readonly int DepartmentInfo = 2;
        public static readonly int PermissionCtrl = 3;
        public static readonly int UserInfo = 4;
        public static readonly int EmployeeInfo = 5;
        public static readonly int WorkGroupMember = 6;
        public static readonly int ProjectInfo = 7;
        public static readonly int WorkGroupInfo = 8;
        public static readonly int ProjectProgress = 9;
        public static readonly int GpsDeviceMaintain = 10;
        public static readonly int GpsDeviceMaintainLog = 11;
        public static readonly int GpsDeviceRepair = 12;
        public static readonly int GpsDeviceInfo = 13;
        public static readonly int GpsCustomerInfo = 14;
        public static readonly int GpsDeviceRepairLog = 15;
        public static readonly int GpsVehicleInfo = 16;
        public static readonly int PartIn = 17;
        public static readonly int PartInfo = 18;
        public static readonly int PartInLog = 19;
        public static readonly int PartOut = 20;
        public static readonly int PartOutLog = 21;
        public static readonly int PartSupplierInfo = 22;
        public static readonly int PartTypeInfo = 23;
        public static readonly int Job = 24;
        public static readonly int Remind = 25;
        public static readonly int WorkLog = 26;
        public static readonly int Request = 27;
        public static readonly int DiscussFamily = 28;
        public static readonly int ViewDiscussSubject = 29;
        public static readonly int Home = 30;
    }

    public static class OperateNO
    {
        public static readonly int Add = 0;
        public static readonly int Update = 1;
        public static readonly int Delete = 2;
        public static readonly int Querry = 3;
    }

    //PermissionString:3个字符为一个功能界面的控制，第1个字符代表功能权限
    //第2,3字符为十六进制字符串，共16位，每1位代表相应的操作权限，其中第0到3位为公用，分别代表添加、修改、删除
    public class PermissionCtrl
    {
        private int _UserType;
        private string _PermissionString;

        public PermissionCtrl(string permissionString)
        {
            _UserType = EUserType.Employeer.GetHashCode();//默认普通操作员
            _PermissionString = permissionString;
        }

        public int UserType
        {
            get { return _UserType; }
            set { _UserType = value; }
        }

        public string PermissionString
        {
            get { return _PermissionString; }
            set { _PermissionString = value; }
        }

        private bool NeedCheck()
        {
            if (_UserType == EUserType.SystemManager.GetHashCode() || _UserType == EUserType.CompanyManager.GetHashCode())
            {
                return false;
            }

            return true;
        }

        public bool FunctionPermission(int funcNO)
        {
            if (!NeedCheck())
            {
                return true;
            }

            if (funcNO < 0) return false;

            if (funcNO == 0) return true;//0号功能，默认允许

            try
            {

                if (_PermissionString[(funcNO - 1) * 3] == 0x30) //对应位置的字符为"0"
                {
                    return false;
                }
            }
            catch (Exception)
            {
                return false;
            }

            return true;
        }

        public bool OperatePermission(int funcNO, int operateNO)
        {
            if (!NeedCheck())
            {
                return true;
            }

            try
            {
                string funcPermissionFullStr;
                string funcPermissionStr;
                string operatePermissionStr;

                funcPermissionFullStr = _PermissionString.Substring((funcNO - 1) * 3, 3);
                funcPermissionStr = funcPermissionFullStr.Substring(0, 1);
                operatePermissionStr = funcPermissionFullStr.Substring(1, 2);

                int funcPermission = Int32.Parse(funcPermissionStr, System.Globalization.NumberStyles.HexNumber);

                if (funcPermission == 0)//功能权限不允许
                {
                    return false;
                }

                int opeartePermission = Int32.Parse(operatePermissionStr, System.Globalization.NumberStyles.HexNumber);

                if ((opeartePermission & (1 << operateNO)) == 0)//操作权限不允许
                {
                    return false;
                }
            }
            catch (Exception)
            {
                return false;
            }

            return true;
        }
    }

Prj.cs

public static class Prj
    {
        public static readonly string System = "MMS";
        public static readonly string Program = "Client";
        public static readonly string Version = "V1.0 R01";


        public static PermissionCtrl PermissionCtrl;
        public static void Init()
        {

            try
            {

                PermissionCtrl = new PermissionCtrl("");
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }

        }
    }

 

Tree.cs

    public class FunctionInfo
    {
        public int Level;
        public string ParentName;
        public string Name;
        public string Text;
        public int FuncNO;

        public FunctionInfo(int level, string parentName, string name, string text, int funcNO)
        {
            Level = level;
            ParentName = parentName;
            Name = name;
            Text = text;
            FuncNO = funcNO;
        }
    }

    public class FunctionTree
    {
        public List<FunctionInfo> FunctonInfos;
        public List<AppTreeNode> TreeNodes;

        public FunctionTree()
        {
            FunctonInfos = new List<FunctionInfo>();

            FunctonInfos.Add(new FunctionInfo(0, "Root", "Root", "功能列表", 0));

            FunctonInfos.Add(new FunctionInfo(1, "Root", "Home", "首页", 0));
            FunctonInfos.Add(new FunctionInfo(1, "Root", "SimInfo", "Sim卡", FunctionNO.SimInfo));
            FunctonInfos.Add(new FunctionInfo(1, "Root", "PersonMange", "人员管理", 0));
            FunctonInfos.Add(new FunctionInfo(1, "Root", "ProjectManage", "项目管理", 0));
            FunctonInfos.Add(new FunctionInfo(1, "Root", "GPSManage", "GPS管理", 0));
            FunctonInfos.Add(new FunctionInfo(1, "Root", "Part", "库存", 0));
            FunctonInfos.Add(new FunctionInfo(1, "Root", "WorkMangement", "工作管理", 0));
            FunctonInfos.Add(new FunctionInfo(1, "Root", "Discuss", "讨论", 0));

            //添加人员管理的子节点
            FunctonInfos.Add(new FunctionInfo(2, "PersonMange", "DepartmentInfo", "部门管理", FunctionNO.DepartmentInfo));
            FunctonInfos.Add(new FunctionInfo(2, "PersonMange", "EmployeeInfo", "员工", FunctionNO.EmployeeInfo));
            FunctonInfos.Add(new FunctionInfo(2, "PersonMange", "UserInfo", "用户", FunctionNO.UserInfo));
            FunctonInfos.Add(new FunctionInfo(2, "PersonMange", "PermissionCtrl", "权限设置", FunctionNO.PermissionCtrl));

            //添加项目管理的子节点            
            FunctonInfos.Add(new FunctionInfo(2, "ProjectManage", "ProjectInfo", "项目", FunctionNO.ProjectInfo));
            FunctonInfos.Add(new FunctionInfo(2, "ProjectManage", "WorkGroupInfo", "项目小组", FunctionNO.WorkGroupInfo));
            FunctonInfos.Add(new FunctionInfo(2, "ProjectManage", "WorkGroupMember", "小组成员", FunctionNO.WorkGroupMember));
            FunctonInfos.Add(new FunctionInfo(2, "ProjectManage", "ProjectProgress", "项目进度", FunctionNO.ProjectProgress));

            //添加GPS管理的子节点
            FunctonInfos.Add(new FunctionInfo(2, "GPSManage", "GpsCustomerInfo", "GPS客户", FunctionNO.GpsCustomerInfo));
            FunctonInfos.Add(new FunctionInfo(2, "GPSManage", "GpsVehicleInfo", "GPS车辆信息", FunctionNO.GpsVehicleInfo));
            FunctonInfos.Add(new FunctionInfo(2, "GPSManage", "GpsDeviceInfo", "GPS终端", FunctionNO.GpsDeviceInfo));
            FunctonInfos.Add(new FunctionInfo(2, "GPSManage", "GpsDeviceMaintain", "GPS终端维护", FunctionNO.GpsDeviceMaintain));
            FunctonInfos.Add(new FunctionInfo(2, "GPSManage", "GpsDeviceRepair", "GPS终端维修", FunctionNO.GpsDeviceRepair));
            FunctonInfos.Add(new FunctionInfo(2, "GPSManage", "GpsDeviceMaintainLog", "GPS终端维护记录", FunctionNO.GpsDeviceMaintainLog));
            FunctonInfos.Add(new FunctionInfo(2, "GPSManage", "GpsDeviceRepairLog", "GPS终端维修记录", FunctionNO.GpsDeviceRepairLog));


            //添加库存管理的子节点
            FunctonInfos.Add(new FunctionInfo(2, "Part", "PartTypeInfo", "零件类型信息", FunctionNO.PartTypeInfo));
            FunctonInfos.Add(new FunctionInfo(2, "Part", "PartSupplierInfo", "零件供应商信息", FunctionNO.PartSupplierInfo));
            FunctonInfos.Add(new FunctionInfo(2, "Part", "PartInfo", "零件信息", FunctionNO.PartInfo));
            FunctonInfos.Add(new FunctionInfo(2, "Part", "PartIn", "零件入库", FunctionNO.PartIn));
            FunctonInfos.Add(new FunctionInfo(2, "Part", "PartOut", "零件出库", FunctionNO.PartOut));
            FunctonInfos.Add(new FunctionInfo(2, "Part", "PartInLog", "零件入库记录", FunctionNO.PartInLog));
            FunctonInfos.Add(new FunctionInfo(2, "Part", "PartOutLog", "零件出库记录", FunctionNO.PartOutLog));



            //添加工作管理的子节点
            FunctonInfos.Add(new FunctionInfo(2, "WorkMangement", "Job", "日常工作安排", FunctionNO.Job));
            FunctonInfos.Add(new FunctionInfo(2, "WorkMangement", "Remind", "提醒", FunctionNO.Remind));
            FunctonInfos.Add(new FunctionInfo(2, "WorkMangement", "Request", "请求", FunctionNO.Request));
            FunctonInfos.Add(new FunctionInfo(2, "WorkMangement", "WorkLog", "工作日志", FunctionNO.WorkLog));

            //添加讨论的子节点
            FunctonInfos.Add(new FunctionInfo(2, "Discuss", "DiscussFamily", "讨论板块", FunctionNO.DiscussFamily));
            FunctonInfos.Add(new FunctionInfo(2, "Discuss", "ViewDiscussSubject", "讨论", FunctionNO.ViewDiscussSubject));
        }

        public List<AppTreeNode> BuildTreeNodes(PermissionCtrl permissionCtrl)
        {
            TreeNodes = new List<AppTreeNode>();

            if (permissionCtrl == null)
            {
                //默认全部允许
                foreach (var item in FunctonInfos)
                {
                    TreeNodes.Add(new AppTreeNode(item.Level, item.ParentName, item.Name, item.Text, true, item));
                }
            }
            else
            {
                //根据权限字符串设置允许
                foreach (var item in FunctonInfos)
                {
                    TreeNodes.Add(new AppTreeNode(item.Level, item.ParentName, item.Name, item.Text, permissionCtrl.FunctionPermission(item.FuncNO), item));
                }
            }

            return TreeNodes;
        }
    }

    public class AppTreeNode
    {
        public int Level;
        public string ParentName;
        public string Name;
        public string Text;
        public bool Enable;
        public object Info;

        public AppTreeNode(int level, string parentName, string name, string text, bool enable, object info)
        {
            Level = level;
            ParentName = parentName;
            Name = name;
            Enable = enable;
            Info = info;
            Text = text;
        }
    }

 

 

TreeViewHelper.cs

 public static class TreeViewHelper
    {
        private static void BuildChildNode(TreeNode parentNode, int level, List<AppTreeNode> appTreeNodes)
        {
            TreeNode node;

            foreach (var item in appTreeNodes)
            {
                if (item.Level != level)//不是本级
                {
                    continue;
                }

                if (item.ParentName != parentNode.Name)//父节点不匹配
                {
                    continue;
                }

                node = new TreeNode();
                node.Name = item.Name;
                node.Text = item.Text;
                node.Tag = item.Info;
                if (!item.Enable)
                {
                    node.ForeColor = Color.Gray;
                }

                parentNode.Nodes.Add(node);

                BuildChildNode(parentNode.Nodes[item.Name], level + 1, appTreeNodes);//Build新加节点的下一级
            }

        }

        public static void BuildTree(TreeView treeView, bool checkBoxs, List<AppTreeNode> appTreeNodes)
        {
            treeView.CheckBoxes = checkBoxs;

            treeView.Nodes.Clear();

            TreeNode node;

            //level 0
            foreach (var item in appTreeNodes)
            {
                if (item.Level != 0)
                {
                    continue;
                }

                node = new TreeNode();
                node.Name = item.Name;
                node.Text = item.Text;
                node.Tag = item.Info;
                if (!item.Enable)
                {
                    node.ForeColor = Color.Gray;
                }

                treeView.Nodes.Add(node);

                BuildChildNode(treeView.Nodes[item.Name], 1, appTreeNodes);//建立第一级子节点
            }
        }

        /// <summary>
        /// 将TreeNodeCollection中的节点存入 List<TreeNode>
        /// </summary>
        /// <param name="treeNodes"></param>
        /// <param name="tc"></param>
        public static void GetTreeNodes(ref List<TreeNode> treeNodes, TreeNodeCollection tc)
        {
            if (tc == null) return;

            foreach (TreeNode tn in tc)
            {
                if (tn != null)
                {
                    treeNodes.Add(tn);

                    GetTreeNodes(ref treeNodes, tn.Nodes);
                }
            }
        }
    }

 

 

Form1.cs

 public partial class Form1 : Form
    {
        TreeView treeView1;
        public Form1()
        {
            InitializeComponent();
            treeView1 = new TreeView();
            this.Controls.Add(this.treeView1);
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            this.WindowState = FormWindowState.Maximized;
            this.treeView1.Size = new System.Drawing.Size(200, SystemInformation.WorkingArea.Height);

            FunctionTree functionTree = new FunctionTree();
            List<AppTreeNode> appTreeNodes=functionTree.BuildTreeNodes(Prj.PermissionCtrl);
            TreeViewHelper.BuildTree(treeView1, false, appTreeNodes);
            this.treeView1.ExpandAll();
        }
    }