/// <summary>
/// 更新人员列表
/// </summary>
public void UpdateStaffList()
{
listView_staff.BeginUpdate(); //数据更新，UI暂时挂起，直到EndUpdate绘制控件，可以有效避免闪烁并大大提高加载速度
listView_staff.Items.Clear(); //清除原数据
//从数据库中获取全部人员信息
DatabaseUtility databaseUtility = new DatabaseUtility();
List <Staff> staffs = databaseUtility.GetAllStaffs();
databaseUtility.CloseConnection();
//显示人员列表
foreach (Staff staff in staffs)
{
ListViewItem listViewItem = new ListViewItem();
listViewItem.Text = staff.Name;
listViewItem.SubItems.Add(staff.CardID);
listViewItem.SubItems.Add(staff.DepartmentName);
this.listView_staff.Items.Add(listViewItem);
}
listView_staff.EndUpdate(); //结束数据处理，UI界面一次性绘制。
}
/// <summary>
/// 更新考勤数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Btn_update_Click(object sender, EventArgs e)
{
List <CheckinRecord> records_checkin = new List <CheckinRecord>();
List <CheckinRecord> records_late = new List <CheckinRecord>();
List <CheckinRecord> records_not_checkin = new List <CheckinRecord>();
//获得考勤时间段
start_time = DateTime.Now.ToShortDateString().ToString() + "-" + tbox_start_time.Text;
end_time = DateTime.Now.ToShortDateString().ToString() + "-" + tbox_end_time.Text;
//从数据库中获取全部人员信息
DatabaseUtility databaseUtility = new DatabaseUtility();
List <Staff> staffs = databaseUtility.GetAllStaffs();
databaseUtility.CloseConnection();
listView_checkin.BeginUpdate(); //数据更新，UI暂时挂起，直到EndUpdate绘制控件，可以有效避免闪烁并大大提高加载速度
listView_late.BeginUpdate();
listView_not_checkin.BeginUpdate();
listView_checkin.Items.Clear(); //清除原数据
listView_late.Items.Clear(); //清除原数据
listView_not_checkin.Items.Clear(); //清除原数据
List <CheckinRecord> records = fileUtility.GetNewCheckinRecord(); //获得考勤数据
SaveCheckinRecords(records); //将考勤数据写入数据库中
records.Sort();
//每个人员只保留一条时间最早的考勤记录
for (int i = 0; i < records.Count();)
{
if (i + 1 != records.Count())
{
if (records[i].staff.CardID == records[i + 1].staff.CardID)
{
if (records[i].CheckinTime.CompareTo(records[i + 1].CheckinTime) > 0)
{
records.Remove(records[i]);
}
else
{
records.Remove(records[i + 1]);
}
continue;
}
}
++i;
}
//筛选出以考勤人员，迟到人员，未考勤人员
foreach (CheckinRecord record in records)
{
if (record.CheckinTime.CompareTo(end_time) <= 0)
{
records_checkin.Add(record);
}
else
{
records_late.Add(record);
}
for (int i = 0; i < staffs.Count(); ++i)
{
Staff staff = staffs[i];
if (staff.CardID.Equals(record.staff.CardID))
{
staffs.Remove(staff);
break;
}
}
}
//显示考勤人员
foreach (CheckinRecord record in records_checkin)
{
ListViewItem listViewItem = new ListViewItem();
listViewItem.Text = record.staff.Name;
listViewItem.SubItems.Add(record.CheckinTime);
listViewItem.SubItems.Add(record.staff.DepartmentName);
this.listView_checkin.Items.Add(listViewItem);
}
//显示迟到人员
foreach (CheckinRecord record in records_late)
{
ListViewItem listViewItem = new ListViewItem();
listViewItem.Text = record.staff.Name;
listViewItem.SubItems.Add(record.CheckinTime);
listViewItem.SubItems.Add(record.staff.DepartmentName);
this.listView_late.Items.Add(listViewItem);
}
//显示未考勤人员
foreach (Staff staff in staffs)
{
ListViewItem listViewItem = new ListViewItem();
listViewItem.Text = staff.Name;
listViewItem.SubItems.Add(staff.DepartmentName);
this.listView_not_checkin.Items.Add(listViewItem);
}
listView_checkin.EndUpdate(); //结束数据处理，UI界面一次性绘制。
listView_late.EndUpdate();
listView_not_checkin.EndUpdate();
}