/// <summary>
/// 通过控制台的输入，获得一个员工对象
/// </summary>
/// <returns></returns>
static Employee GetEmployeeByConsole(bool isAdd = true)
{
Employee emp = new Employee();
string msg = string.Empty;
if (isAdd)
{
msg = "请输入新增员工的编号：";
}
else
{
ShowEmpList();
msg = "请输入需要修改员工的编号";
}
emp.EmployeeID = ConvertHelper.CheckConsoleInput <int>(msg);
// 当为更新操作的时候，需要校验编号是否存在，如果存在显示该实体信息
if (!isAdd)
{
Employee oldEmp = EmployeeMgr.GetEmployeeById(emp.EmployeeID);
if (oldEmp == null)
{
Console.WriteLine("该编号的员工不存在，请重新选择！");
return(null);
}
else
{
Console.WriteLine($"需要修改员工的基本信息：EmployeeID:{oldEmp.EmployeeID},EmployeeName:{oldEmp.EmployeeName}");
}
}
Console.WriteLine("请输入员工姓名：");
emp.EmployeeName = Console.ReadLine();
Console.WriteLine("请输入员工性别（1-男，2-女）：");
if (Console.ReadLine() == "1")
{
emp.Sex = "男";
}
else
{
emp.Sex = "女";
}
emp.BirthDate = ConvertHelper.CheckConsoleInput <DateTime>("请输入员工生日（yyyy-mm-dd）：");
emp.HireDate = ConvertHelper.CheckConsoleInput <DateTime>("请输入员工入职日期（yyyy-mm-dd）：");
emp.Salary = ConvertHelper.CheckConsoleInput <decimal>("请输入员工薪水：");
emp.DepartmentID = ConvertHelper.CheckConsoleInput <int>("请输入员工部门编号：");
return(emp);
}
