public static List <Order> Import()
{
List <Order> orders = new List <Order>();
XDocument document = XDocument.Load("Orders.xml");
XElement root = document.Root;
for (int i = 0; root.Element("Order" + (i)) != null; i++)
{
XElement order = root.Element("Order" + i);
List <OrderedCargo> cargos = new List <OrderedCargo>();
XElement Cargos = order.Element("Cargos");
for (int j = 0; Cargos.Element("cargo" + (j)) != null; j++)
{
XElement cargo = Cargos.Element("cargo" + (j));
string str = cargo.Value;
string[] strs = str.Split(" ");
OrderedCargo singleCargo = new OrderedCargo(strs[0], double.Parse(strs[1]), Int32.Parse(strs[2]));
cargos.Add(singleCargo);
}
XElement client = order.Element("Client");
XElement remark = order.Element("Remark");
Detail detail = new Detail(cargos, client.Value, remark.Value);
Order singleOrder = new Order(i, detail);
orders.Add(singleOrder);
}
return(orders);
}
static void Main(string[] args)
{
List <Order> orders = new List <Order>();
/**List<OrderedCargo> cargos = new List<OrderedCargo>();
* OrderedCargo cargo1 = new OrderedCargo("牙刷", 4.5, 4);
* OrderedCargo cargo2 = new OrderedCargo("牙膏", 6, 2);
* cargos.Add(cargo1);
* cargos.Add(cargo2);
* cargos.Sort((x, y) => { return x.Price.CompareTo(y.Price); });
* Detail detail1 = new Detail(cargos, "张三", "没什么备注");
* Order order = new Order(1, detail1);
*
* List<OrderedCargo> cargos2 = new List<OrderedCargo>();
* cargo1 = new OrderedCargo("毛巾", 8.5, 1);
* cargo2 = new OrderedCargo("刷子", 3, 2);
* cargos2.Add(cargo1);
* cargos2.Add(cargo2);
* cargos2.Sort((x, y) => { return x.Price.CompareTo(y.Price); });
* Detail detail2 = new Detail(cargos2, "李四", "有一点备注");
* Order order2 = new Order(2, detail2);
*
* orders.Add(order);
* orders.Add(order2);
*
* Service.Export(orders);
*/
orders = Service.Import();
string a;
bool con = true;
while (con)
{
Console.WriteLine("1、创建订单，2、删除订单，3、查询订单，4、修改订单，5、退出");
a = Console.ReadLine();
switch (a)
{
case "1":
try
{
Console.Write("输入ID：");
int id = Int32.Parse(Console.ReadLine());
for (int i = 0; i < orders.Count; i++)
{
if (id == orders[i].ID)
{
throw new MyException("该ID已存在");
}
}
Console.Write("顾客名：");
string Client = Console.ReadLine();
List <OrderedCargo> adds = new List <OrderedCargo>();
for (; ;)
{
Console.WriteLine("输入商品名(输入exit结束):");
string Name = Console.ReadLine();
if (Name == "exit")
{
break;
}
Console.WriteLine("输入商品单价及个数:");
double price = double.Parse(Console.ReadLine());
int num = Int32.Parse(Console.ReadLine());
OrderedCargo add = new OrderedCargo(Name, price, num);
adds.Add(add);
}
adds.Sort((x, y) => { return(x.Price.CompareTo(y.Price)); });
Console.WriteLine("备注:");
string remark = Console.ReadLine();
Detail detail = new Detail(adds, Client, remark);
Order singleorder = new Order(id, detail);
if (!Service.Equals(orders, singleorder))
{
orders.Add(singleorder);
Service.Orderlist(orders);
}
else
{
Console.WriteLine("该订单已存在");
}
break;
}catch
{
throw new MyException("输入格式不正确");
}
case "2":
{
Console.WriteLine("输入想要删除订单的订单号");
try
{
int id = Int32.Parse(Console.ReadLine());
for (int i = 0; i < orders.Count; i++)
{
if (id == orders[i].ID)
{
orders.RemoveAt(i);
break;
}
if (i == orders.Count - 1)
{
Console.WriteLine("无此ID");
}
}
break;
}
catch
{
throw new Exception("输入不正确");
}
}
case "3":
{
Console.WriteLine("输入关键字:");
string key = Console.ReadLine();
List <Order> query = new List <Order>();
query = Service.Query(orders, key);
for (int i = 0; i < query.Count; i++)
{
Console.WriteLine(query[i].ToString());
}
break;
}
case "4":
{
Console.WriteLine("输入想要修改订单的订单号:");
try
{
int id = Int32.Parse(Console.ReadLine());
for (int i = 0; i < orders.Count; i++)
{
if (id == orders[i].ID)
{
Service.Update(orders[i]);
break;
}
if (i == orders.Count - 1)
{
Console.WriteLine("无此订单");
}
}
break;
}
catch
{
throw new Exception("输入不正确");
}
}
case "5": return;
default: break;
}
}
}
public static void Update(Order order)
{
try
{
bool cyc = true;
while (cyc)
{
Console.WriteLine("1、修改顾客，2、添加商品，3、减少商品，4、修改备注，5、退出");
Console.WriteLine("输入选择:");
string str = Console.ReadLine();
switch (str)
{
case "1":
{
Console.WriteLine("输入新顾客信息：");
string client = Console.ReadLine();
order.detail.Client = client;
break;
}
case "2":
{
int tept = -1;
Console.WriteLine("需要添加的商品：");
string cargoname = Console.ReadLine();
for (int i = 0; i < order.detail.Cargos.Count; i++)
{
if (order.detail.Cargos[i].Name == cargoname)
{
tept = i;
}
}
try
{
if (tept == -1)
{
Console.WriteLine("单价:");
double price = double.Parse(Console.ReadLine());
Console.WriteLine("个数:");
int num = Int32.Parse(Console.ReadLine());
OrderedCargo orderedCargo = new OrderedCargo(cargoname, price, num);
order.detail.Cargos.Add(orderedCargo);
order.detail.Price += orderedCargo.Price * orderedCargo.Num;
}
else
{
Console.WriteLine("添加个数:");
int num = Int32.Parse(Console.ReadLine());
order.detail.Cargos[tept].Num += num;
order.detail.Price += num * order.detail.Cargos[tept].Price;
}
break;
}catch (Exception e)
{
throw new Exception("输入格式不正确");
}
}
case "3":
{
int tept = -1;
Console.WriteLine("需要删除的商品：");
string cargoname = Console.ReadLine();
for (int i = 0; i < order.detail.Cargos.Count; i++)
{
if (order.detail.Cargos[i].Name == cargoname)
{
tept = i;
}
}
try
{
if (tept == -1)
{
Console.WriteLine("无该商品");
}
else
{
Console.WriteLine("减少个数:");
int num = Int32.Parse(Console.ReadLine());
if (num > order.detail.Cargos[tept].Num)
{
Console.WriteLine("没有这么多该商品");
}
else if (num == order.detail.Cargos[tept].Num)
{
order.detail.Cargos.RemoveAt(tept);
order.detail.getPrice();
}
else
{
order.detail.Cargos[tept].Num -= num;
order.detail.getPrice();
//order.detail.Price -= num * order.detail.Cargos[tept].Price;
}
}
break;
}
catch (Exception e)
{
throw new Exception("输入格式不正确");
}
}
case "4":
{
Console.WriteLine("输入新备注信息：");
string remark = Console.ReadLine();
order.detail.remark = remark;
break;
}
case "5": cyc = false; break;
default: break;
}
}
}
catch
{
throw new Exception("输入格式不正确");
}
}