资源列表：

业务逻辑BLL

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace student{
    public class StudentInstance
    {
        public DataChange onDataChange = null;

        private List<StudentClass> StuList = new List<StudentClass>();

        public List<StudentClass> stuAry        {
            get { return StuList; }
        }

        public void AddStudent(StudentClass ParamStu)
        {
            if (StuList.Contains(ParamStu))
                throw new Exception("student is exist!");
            StuList.Add(ParamStu);
            if (onDataChange != null)
                onDataChange();
        }

        public void delStudent(StudentClass ParamStu)
        {
            StuList.Remove(ParamStu);
            if (onDataChange != null)
                onDataChange();
        }

        public void loadAllData()
        {
            DataSourceManage ds = new DataSourceManage();
            StuList = ds.getStudentData();
            if (onDataChange != null)
            {
                onDataChange();
            }
        }



    }}

控制器部分：

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Windows.Forms;namespace student{
    class MVcontrol
    {
        StudentInstance stu;
        public MVcontrol(StudentInstance ParamStu)
        {
            stu = ParamStu;
        }

        public void UpdateTree(TreeView tv)
        {
            tv.Nodes.Clear();
            foreach (StudentClass m in stu.stuAry)
            {
                TreeNode node = new TreeNode();
                node.Tag = m;
                node.Text = m.Name;
                tv.Nodes.Add(node);
            }
        }

        public static void UpdateCbx(ComboBox cbx,Type type)
        {
            cbx.Items.Clear();
            if (type.IsEnum)
            {
                string[] enumStr = Enum.GetNames(type);
                foreach (string m in enumStr)
                {
                    cbx.Items.Add(m);
                }
            }
        }


    }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace student{
   public delegate void DataChange();
   public delegate void ThreadDelegate(int js);}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading;namespace student{
    class ThreadClass
    {
        public ThreadDelegate MainThreadUpdate = null;
        public void ThreadFun()
        {
            int i = 0;
            while (true)
            {
                ++i;
                MainThreadUpdate(i);
                Thread.Sleep(2000);
            }
        }

    }}

UI 及逻辑

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Threading;namespace student{
   
    public partial class MainForm : Form    {
        Thread thread1;
        ThreadClass th;
        StudentInstance stu;
        MVcontrol mvc;

        public MainForm()
        {
            InitializeComponent();
            stu = new StudentInstance();
            stu.onDataChange = dataChange;
            mvc= new MVcontrol(stu);


            this.Load += new EventHandler(MainForm_Load);
            this.FormClosing += new FormClosingEventHandler(MainForm_FormClosing);
            btn_start.Click += new EventHandler(btn_start_Click);
            btn_add.Click += new EventHandler(btn_add_Click);
            btn_del.Click += new EventHandler(btn_del_Click);
            tv_student.AfterSelect += new TreeViewEventHandler(tv_student_AfterSelect);

            th = new ThreadClass();
            th.MainThreadUpdate = ThreadUpdate;
            thread1 = new Thread(new ThreadStart(th.ThreadFun));
            thread1.Start();
        }

        void tv_student_AfterSelect(object sender, TreeViewEventArgs e)
        {
            StudentClass tag = (StudentClass)e.Node.Tag;
            this.txt_id.Text = tag.Id.ToString();
            this.txt_name.Text = tag.Name;
            this.cbx_sex.SelectedIndex = (int)tag.Sex;
            this.txt_age.Text = tag.Age.ToString();
        }

        void btn_del_Click(object sender, EventArgs e)
        {
            stu.delStudent((StudentClass)this.tv_student.SelectedNode.Tag);
        }

        void btn_add_Click(object sender, EventArgs e)
        {
            try
            {
                stu.AddStudent(new StudentClass(
                    Convert.ToInt32(this.txt_id.Text.Trim()),
                    this.txt_name.Text.Trim(),
                    (Sex)this.cbx_sex.SelectedIndex,
                    Convert.ToInt32(this.txt_age.Text.Trim())));
            }
            catch (Exception e1)
            {
                MessageBox.Show(e1.Message);
            }
        }

        void btn_start_Click(object sender, EventArgs e)
        {
            stu.loadAllData();
        }

        void MainForm_Load(object sender, EventArgs e)
        {
            MVcontrol.UpdateCbx(this.cbx_sex, typeof(Sex));
        }

        private void dataChange()
        {
            mvc.UpdateTree(this.tv_student);
        }

        void MainForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (thread1.IsAlive)
            {
                thread1.Abort();
            }
        }

        public void ThreadUpdate(int js)
        {
            if (this.label5.InvokeRequired)
            {
                ThreadClass th1 = new ThreadClass();
                th1.MainThreadUpdate = ThreadUpdate;
                this.Invoke(th1.MainThreadUpdate, new object[] { js });
            }
            else
            {
                this.label5.Text=js.ToString();
            }
        }
      
    }}

其它部分请下载完整代码查看：

链接：https://pan.baidu.com/s/1acW5ho7kDkft_pHeiwB-2A

提取码：uk3c 

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