private static void DeleteEmp()
{
ShowEmpList();
int id = ConvertHelper.CheckConsoleInput <int>("请输入要删除的员工编号：");
if (EmployeeMgr.Delete(id))
{
Console.WriteLine("删除成功！");
}
else
{
Console.WriteLine("无法删除，请查看日志。。。");
}
}
