第三章 上机练习

主窗体

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;namespace myDgv{public partial class FrmMain : Form{//记录打卡记录的Dictionarypublic Dictionary<string, Record> recordList = new Dictionary<string, Record>();//用来存放临时表List<SE> temp = new List<SE>();public FrmMain(){InitializeComponent();}//列表，用于保存 se对象public List<SE> programmerList = new List<SE>();//刷新DataGridview 数据public void BindGrid(List<SE> list){this.dataGridView1.DataSource = new BindingList<SE>(list);}private void button1_Click(object sender, EventArgs e){this.temp.Clear();chaXun();}private void xianShi(){// List<SE> li = new List<SE>();programmerList.Add(new SE() { ID = "111", Name = "大豆", Age = 12, Sex = "男" });programmerList.Add(new SE() { ID = "222", Name = "黄豆", Age = 12, Sex = "男" });programmerList.Add(new SE() { ID = "333", Name = "小毛豆", Age = 12, Sex = "女" });dataGridView1.DataSource = new BindingList<SE>(programmerList);}private void toolStripButton1_Click(object sender, EventArgs e){frmMaintance frm = new frmMaintance();frm.frmParent = this;frm.ShowDialog();}private void FrmMain_Load(object sender, EventArgs e){xianShi();}/// <summary>/// 根据员工工号进行模糊查询/// </summary>public void chaXun(){//用来存放临时表//  List<SE> temp = new List<SE>();foreach (SE item in this.programmerList){if (item.ID.IndexOf(this.textBox1.Text.Trim())!=-1){temp.Add(item);}}this.dataGridView1.DataSource = new BindingList<SE>(temp);}private void toolStripButton3_Click(object sender, EventArgs e){DialogResult re = MessageBox.Show("确认要删除该数据吗", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Error);if (re == DialogResult.OK){foreach (SE item in this.programmerList){if (dataGridView1.SelectedRows[0].Cells[0].Value==item.ID){programmerList.Remove(item);break;}}MessageBox.Show("删除成功");this.dataGridView1.DataSource = new BindingList<SE>(programmerList);}//this.dataGridView1.DataSource = new BindingList<SE>(temp);}/// <summary>///员工签到签退/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void 签到ToolStripMenuItem_Click(object sender, EventArgs e){//验证//确保有选中的行if (this.dataGridView1.SelectedRows.Count!=1){MessageBox.Show("请选中一行");return;}//确保没有签过到// string workID = dataGridView1.CurrentRow.Cells["Column1"].Value.ToString();string workID = dataGridView1.SelectedRows[0].Cells[0].Value.ToString();foreach (string id in recordList.Keys){if (workID==id){MessageBox.Show("您已经签过到了");return;}}//执行签到Record re = new Record();re.ID=workID;// re.Name = dataGridView1.CurrentRow.Cells["Column2"].Value.ToString();re.Name = dataGridView1.SelectedRows[0].Cells[1].Value.ToString();re.SignInTime = DateTime.Now; //获取系统当前时间this.recordList.Add(re.ID,re);MessageBox.Show("签到成功");}//签退操作private void 签退ToolStripMenuItem_Click(object sender, EventArgs e){//确保有选中的行if (this.dataGridView1.SelectedRows.Count !=1){MessageBox.Show("请选中一行");return;}// string ID = dataGridView1.CurrentRow.Cells["id"].Value.ToString();string ID = dataGridView1.SelectedRows[0].Cells[0].Value.ToString();bool isOut = false;  //标识是否已经签到过foreach (string key in recordList.Keys){if (key==ID){//执行签退 设置签退时间this.recordList[key].SignOutTime = DateTime.Now;MessageBox.Show("签退成功");isOut = true;break;}}if (isOut==false){MessageBox.Show("很抱歉，尚未签到！");}}private void toolStripButton4_Click(object sender, EventArgs e){frmRecord frm=new frmRecord();frm.re = this.recordList;frm.ShowDialog();}}}

添加窗体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;namespace myDgv{public partial class frmMaintance : Form{//保存父窗体的应用public FrmMain frmParent { get; set; }public frmMaintance(){InitializeComponent();}private void button1_Click(object sender, EventArgs e){try{SE pr = new SE();pr.ID = this.textBox1.Text.Trim();pr.Name = this.textBox2.Text.Trim();pr.Age = Int32.Parse(this.textBox3.Text.Trim());pr.Sex = this.comboBox1.Text.Trim();//工号唯一性验证foreach (SE item in frmParent.programmerList){if (item.ID == pr.ID){MessageBox.Show("此工号以存在");return;}}frmParent.programmerList.Add(pr);this.Close();}catch (Exception ex){MessageBox.Show("出错" + ex.Message);}finally{//刷新父窗体this.frmParent.BindGrid(frmParent.programmerList);}}private void groupBox1_Enter(object sender, EventArgs e){}private void frmMaintance_Load(object sender, EventArgs e){}}}

打卡记录窗体

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;namespace myDgv{public partial class frmRecord : Form{//打卡记录public Dictionary<string,Record> re { get; set; }public frmRecord(){InitializeComponent();}private void frmRecord_Load(object sender, EventArgs e){BindRecords();}public void BindRecords(){this.label1.Text = string.Format("共有{0}条打卡记录", this.re.Count);BindingSource bs = new BindingSource();bs.DataSource = re.Values;this.dataGridView1.DataSource = bs;}private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e){}}}

打卡记录类

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace myDgv{//打卡记录类public  class Record{//签到时间public DateTime SignInTime { get; set; }//签退时间public DateTime SignOutTime { get; set; }//工号public string  ID { get; set; }//姓名public string Name { get; set; }}}

员工类

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace myDgv{public  class SE{public string ID { get; set; }public string  Name { get; set; }public int Age { get; set; }public string Sex { get; set; }}}