c#怎样转换成c++急！！！！
请求高手：c#源代码怎样转换成c++源代码？？？？？？？？？？？？？？？？？？
c# 代码：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
namespace VehicleMngSys
{
class Program
{
//利用正则表达式判断车辆ID是否合法，合法的ID是以C或T开头，后面跟4个数字
static bool IsValidvId(string vId)
{
Regex r = new Regex(@"^[CT]\d{4}$");
return r.IsMatch(vId);
}
static bool IsValidDateTime(string inputDateTime)
{
try
{
//解析成功，返回true,有异常则返回false
DateTime.Parse(inputDateTime);
return true;
}
catch
{
return false;
}
}
//功能如果选择错误，按q可以回到主菜单
static bool IsReturn(string quit)
{
return Char.ToLower(quit[0]) == 'q' ? true : false;
}
//添加一辆新车
static void AddNewVehicle(Fleet f)
{
string vId ;
do
{
Console.WriteLine("请输入车辆ID:");
vId = Console.ReadLine();
//功能如果选择错误，按q可以回到主菜单
if (IsReturn(vId)) return;
} while (!IsValidvId(vId));//判断车辆ID是否合法
string strType;
do
{
Console.WriteLine("请输入车辆类型(Car/Truck):");
strType = Console.ReadLine();
if (IsReturn(strType)) return;
}while ((strType != "Car" && strType != "Truck"));//判断车辆类型的输入是否合法
f.AddNewVehicle(vId, strType == "Car" ? VehicleType.Car : VehicleType.Truck);
Console.WriteLine("添加新车成功，任意键继续！");
Console.ReadKey();
}
//删除一辆已经存在的车
static void DeleteExistVehicle(Fleet f)
{
string vId;
do
{
Console.WriteLine("请输入要删除车辆的ID:");
vId = Console.ReadLine();
if (IsReturn(vId)) return;
} while (!IsValidvId(vId));
f.DeleteExistVehicle(vId);
}
//租车
static void BookVehicle(Fleet f)
{
string strType;
do
{
Console.WriteLine("请输入车辆类型(Car/Truck):");
strType = Console.ReadLine();
if (IsReturn(strType)) return;
} while ((strType != "Car" && strType != "Truck"));//判断车辆类型的输入是否合法
VehicleType vType = strType == "Car" ? VehicleType.Car : VehicleType.Truck;
string vId;
do
{
Console.WriteLine("请输入车辆ID:");
vId = Console.ReadLine();
} while (!IsValidvId(vId));//判断车辆ID是否合法
DateTime rentStartDate;
try
{
string inputDateTime;
if (vType == VehicleType.Car)
{
do
{
Console.WriteLine("请输入租车的开始时间(YYYY-MM-DD)：");
inputDateTime = Console.ReadLine();
} while (!IsValidDateTime(inputDateTime));
rentStartDate = Convert.ToDateTime(inputDateTime);
//利用linq方法在车辆集合中找到和指定ID匹配的车,v => v.vId == vId为lambda表达式
(f.vehicles.Single(v => v.vId == vId) as Car).BookCar(rentStartDate);
}
else
{
string strRentType;
do
{
Console.WriteLine("请输入租车的方式（Hour/Day）：");
strRentType = Console.ReadLine();
} while ((strRentType != "Hour" && strRentType != "Day"));//判断卡车的出租类型是按小时还是按天
TructRentType trType = strRentType == "Hour" ? TructRentType.ByHour : TructRentType.ByDay;
do
{
if (trType == TructRentType.ByDay)
{
Console.WriteLine("请输入租车的开始时间(YYYY-MM-DD)：");
}
else
{
Console.WriteLine("请输入租车的开始时间(YYYY-MM-DD HH:mm:ss)：");
}
inputDateTime = Console.ReadLine();
} while (!IsValidDateTime(inputDateTime));
rentStartDate = Convert.ToDateTime(inputDateTime);
//利用linq方法在车辆集合中找到和指定ID匹配的车,v => v.vId == vId为lambda表达式
(f.vehicles.Single(v => v.vId == vId) as Truck).BookTruck(trType, rentStartDate);
}
Console.WriteLine("租车成功，任意键继续！");
Console.ReadKey();
}
//异常可能是车辆已经出租，不能重复出租。或者是租车的时间不能比上一个还车的时间早，这与租车逻辑矛盾
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.ReadKey();
}
}
//还车
static public void ReturnVehicle(Fleet f)
{
string vId;
do
{
Console.WriteLine("请输入车辆ID:");
vId = Console.ReadLine();
if (IsReturn(vId)) return;
} while (!IsValidvId(vId));
Vehicle v = f.vehicles.Single(qv => qv.vId == vId);
if (v.vType == VehicleType.Car)
{
Console.WriteLine("请输入租车的天数：");
}
else
{
//利用linq找到车辆出租信息集合中的最后一条记录，以确定是按小时还是按天出租
if ((v as Truck).trDetails.OrderBy(qv => qv.rentStartDate).Last().tRentType == TructRentType.ByDay)
{
Console.WriteLine("请输入租车的天数：");
}
else
{
Console.WriteLine("请输入租车的小时数：");
}
}
try
{
v.ReturnVehicle(Convert.ToInt32(Console.ReadLine()));
//计算租车费用
Console.WriteLine("您需要支付租车费用:{0:c} 元", v.CaculateFee());
Console.WriteLine(" 还车车成功，任意键继续！");
Console.ReadKey();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.ReadKey();
}
}
//按车辆ID及年月查询出租情况
static void QueryRentChartById(Fleet f)
{
string inputDateTime;
do
{
Console.WriteLine("请输入租车的开始时间(YYYY-MM-DD)：");
inputDateTime = Console.ReadLine();
} while (!IsValidDateTime(inputDateTime));
DateTime queryYearMonth = Convert.ToDateTime(inputDateTime);
string vId;
do
{
Console.WriteLine("请输入车辆ID:");
vId = Console.ReadLine();
if (IsReturn(vId)) return;
} while (!IsValidvId(vId));
f.ShowRentChartByVId(vId, queryYearMonth);
Console.WriteLine("敲任意键继续！");
Console.ReadKey();
}
//按年月查询所有车的出租情况
static void QueryRentChartByMonth(Fleet f)
{
string inputDateTime;
do
{
Console.WriteLine("请输入租车的开始时间(YYYY-MM-DD)：");
inputDateTime = Console.ReadLine();
} while (!IsValidDateTime(inputDateTime));
DateTime queryYearMonth = Convert.ToDateTime(inputDateTime);
f.ShowRentChartByMonth(queryYearMonth);
Console.WriteLine("敲任意键继续！");
Console.ReadKey();
}
// 查询车辆每月出租的详细费用情况
static void ShowRentDetails(Fleet f)
{
string inputDateTime;
do
{
Console.WriteLine("请输入租车的开始时间(YYYY-MM-DD)：");
inputDateTime = Console.ReadLine();
} while (!IsValidDateTime(inputDateTime));
DateTime queryYearMonth = Convert.ToDateTime(inputDateTime);
f.ShowRentDetails(queryYearMonth);
Console.WriteLine("敲任意键继续！");
Console.ReadKey();
}
static void Main(string[] args)
{
bool isExit = false;
Fleet f = new Fleet();
while (1 == 1)
{
if (!isExit)
{
Console.WriteLine("欢迎使用好运来车辆出租管理系统！");
Console.WriteLine("1.添加一辆新车");
Console.WriteLine("2.删除一辆已经存在的车");
Console.WriteLine("3.租车");
Console.WriteLine("4.还车");
Console.WriteLine("5.按年月及车辆ID查询车辆出租情况");
Console.WriteLine("6.按年月查询所有车辆的使用情况");
Console.WriteLine("7.按年月查询所有车辆的费用情况");
Console.WriteLine("8.保存车辆及出租情况记录");
Console.WriteLine("9.退出系统");
Console.WriteLine("请选择系统功能！");
ConsoleKeyInfo pk = Console.ReadKey();
switch (pk.KeyChar)
{
case '1':
AddNewVehicle(f);
break;
case '2':
DeleteExistVehicle(f);
break;
case '3':
BookVehicle(f);
break;
case '4':
ReturnVehicle(f);
break;
case '5':
QueryRentChartById(f);
break;
case '6':
QueryRentChartByMonth(f);
break;
case '7':
ShowRentDetails(f);
break;
case '8':
f.SaveRecs();
Console.WriteLine("保存记录成功，任意键继续！");
Console.ReadKey();
break;
case '9':
isExit = true;
f.SaveRecs();
break;
default:
break;
}
}
else
{
break;
}
}
}
}
}