用窗体写一个员工打卡系统

效果图

 //主窗体代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Collections;

namespace Qiandao
{
    public partial class FrmMain : Form
    {
        public FrmMain()
        {
            InitializeComponent();
            this.dataGridView1.AutoGenerateColumns = false;
        }


        private Dictionary<string, Record> recordList = new Dictionary<string, Record>();
        public List<SE> abc = new List<SE>();
        public void Show()
        {
             SE aa = new SE();
            aa.id = "012";
            aa.name = "嘻嘻";
            aa.sex = "男";
            aa.age = 20;

            SE bb = new SE();
            bb.id = "123";
            bb.name = "哈哈";
            bb.sex = "男";
            bb.age = 20;

            SE cc = new SE();
            cc.id = "234";
            cc.name = "呵呵";
            cc.sex = "男";
            cc.age = 20;

            abc.Add(aa);
            abc.Add(bb);
            abc.Add(cc);

            dataGridView1.DataSource = new BindingList<SE>(abc);
        }

        public void BindGrid(List<SE> List)
        {
            this.dataGridView1.DataSource = new BindingList<SE>(abc);
        }
        private void Form1_Load(object sender, EventArgs e)
        {
           Show();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            List<SE> abcd = new List<SE>();

            foreach (SE item in this.abc)
            {
                if (item.id.IndexOf(this.textBox1.Text.Trim()) != -1)
                {
                    abcd.Add(item);
                }
            }
            this.dataGridView1.DataSource = new BindingList<SE>(abcd);
        }

        private void 新增ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            FrmInsert ins = new FrmInsert();
            ins.cnm = this;
           
            ins.Show();
        }

        private void 修改ToolStripMenuItem_Click(object sender, EventArgs e)
        {
          
        }

        private void 删除ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (this.dataGridView1.SelectedRows.Count != 1)
            {
                MessageBox.Show("请选中一行");
                return;
            }
            DialogResult result = MessageBox.Show("确定吗", "信息");
            if (result != DialogResult.OK)
            {
                return;
            }
            string No = dataGridView1.CurrentRow.Cells["工号"].Value.ToString();
            foreach (SE item in abc)
            {
                if (item.id == No)
                {
                    this.abc.Remove(item);
                    break;
                }
            }
            this.BindGrid(this.abc);
            MessageBox.Show("删除成功", "执行信息");
        }

        private void 签到ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (this.dataGridView1.SelectedRows.Count != 1)
            {
                MessageBox.Show("请选中一行");
                return;
            }
            string workNo = dataGridView1.CurrentRow.Cells["工号"].Value.ToString();
            foreach (string id in recordList.Keys)
            {
                if (workNo == id)
                {
                    MessageBox.Show("您已签到过");
                    return;
                }
            }

            Record record = new Record();
            record.ID = workNo;
            record.Name = dataGridView1.CurrentRow.Cells["姓名"].Value.ToString();
            record.SignInTime = DateTime.Now;
            this.recordList.Add(record.ID, record);
            MessageBox.Show("签到成功");
        }

        private void 签退ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (this.dataGridView1.SelectedRows.Count != 1)
            {
                MessageBox.Show("请选中一行");
                return;
            }
            string ID = dataGridView1.CurrentRow.Cells["工号"].Value.ToString();
            bool isOut = false;
            foreach (string key in recordList.Keys)
            {
                if (key==ID)
                {
                    this.recordList[key].SignOutTime = DateTime.Now;
                    MessageBox.Show("签退成功");
                    isOut = true;
                    break;
                }
            }
            if (!isOut)
            {
                MessageBox.Show("很抱歉请继续签退");
            }
        }

        private void 打卡记录ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            FrmMaa frm = new FrmMaa();
            frm.recordList = this.recordList;
            frm.Show();
        }
    }
}

//显示签到时间窗体的代码
 1 using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Qiandao
{
    public partial class FrmMaa : Form
    {
        public FrmMaa()
        {
            InitializeComponent();
        }
        public Dictionary<string, Record> recordList { get; set; }
        private void frmMaa_Load(object sender, EventArgs e)
        {
            BindingSource bs = new BindingSource();
            bs.DataSource = recordList.Values;
            this.dataGridView.DataSource = bs;
        }

       
    }
}

 //新增员工窗体的代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Qiandao
{
  
    public partial class FrmInsert : Form
    {
        public FrmMain cnm;

        public FrmMain FrmMain {get; set;}
        public FrmInsert()
        {
            InitializeComponent();
            this.comboBox1.SelectedIndex = 0;
        }

       
       
        private void button1_Click(object sender, EventArgs e)
        {

            SE pr = new SE();
            pr.id = this.txtId.Text.Trim();
            pr.age = Int32.Parse(this.txtAge.Text.Trim());
            if (this.comboBox1.SelectedItem.ToString() == "男")
            {
                pr.sex = "男";
            }
            else {
                pr.sex = "女";
            }

            pr.name = this.txtName.Text.Trim();


            foreach (SE item in cnm.abc)
            {
                if (item.id == pr.id) {
                    MessageBox.Show("此工号已存在");
                    return;
                }
            }
            cnm.abc.Add(pr);

            this.cnm.BindGrid(cnm.abc);

           
            FrmMain frm = new FrmMain();
            this.Hide();
            frm.Show();

          
        }
    }
}

//SE类

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Qiandao
{
   public class SE
    {
        public string id { get; set; }
        public string name { get; set; }
        public string sex { get; set; }
        public int age { get; set; }

    }
}

//Record类

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Qiandao
{
   public class Record
    {
        public DateTime SignInTime { get; set; }
        public DateTime  SignOutTime{ get; set; }
        public string ID { get; set; }
        public string Name { get; set; }
    }
}