static void Main(string[] args)
{
Order order1 = new Order("2018100601", "陈1", "陈志鹏", "月饼", 2100, 100);
//在控制台输出订单 1 的所有信息
Console.WriteLine(order1.ToString());
Console.WriteLine();
Order order2 = new Order("2018100602", "陈2", "陈志鹏", "方便面", 1000, 1000);
Order order3 = new Order("2018100603", "陈3", "陈志鹏", "苹果", 1000, 2530);
Order order4 = new Order("2018100604", "陈4", "陈志鹏", "草莓", 2045, 400);
OrderService orderService = OrderService.GetInstance(); //定义一个订单服务类的实例,该实例是唯一的
orderService.AddOrder(order1); //添加订单
orderService.AddOrder(order2);
orderService.AddOrder(order3);
orderService.AddOrder(order4);
Console.WriteLine(orderService.GetOrderCounts()); //输出现在订单表中订单的个数
Console.WriteLine();
orderService.AlterOrderNumber(order1, "2018100701"); //修改订单 1 的订单号
orderService.AlterOrderGoodsName(order1, "香肠", 10); //修改订单 1 的商品名称及商品单价
orderService.AlterOrderClient(order1, "陈一"); //修改订单 1 的客户名称
orderService.AlterOrderGoodsCounts(order1, 20); //修改订单 1 的订购的商品数量
Console.WriteLine();
//在控制台输出现在订单 1 的所有信息
Console.WriteLine(order1.ToString());
Console.WriteLine();
//通过订单号查询订单信息,并在控制台输出所查询订单的所有信息
Console.WriteLine(orderService.MyToString(orderService.SearchOrderByOrderNumber("2018100603")));
Console.WriteLine();
//通过商品名称查询订单信息,并在控制台输出所查询订单的所有信息
Console.WriteLine(orderService.MyToString(orderService.SearchOrderByGoodsName("草莓")));
Console.WriteLine();
//通过客户名称查询订单信息,并在控制台输出所查询订单的所有信息
Console.WriteLine(orderService.MyToString(orderService.SearchOrderByOrderClient("陈2")));
Console.WriteLine();
Console.WriteLine("查询订单金额大于一万的订单,并按金额升序排列");
Console.WriteLine(orderService.MyToString(orderService.SearchOrderByOrderTotalPriceABig(10000)));
Console.WriteLine();
Console.WriteLine("查询订单金额大于一万的订单,并按金额降序排列");
Console.WriteLine(orderService.MyToString(orderService.SearchOrderByOrderTotalPriceDBig(10000)));
Console.WriteLine();
Console.WriteLine("查询订单金额小于一万的订单,并按金额升序排列");
Console.WriteLine(orderService.MyToString(orderService.SearchOrderByOrderTotalPriceASmall(10000)));
Console.WriteLine();
Console.WriteLine("查询订单金额小于一万的订单,并按金额降序排列");
Console.WriteLine(orderService.MyToString(orderService.SearchOrderByOrderTotalPriceDSmall(10000)));
Console.WriteLine();
orderService.DeleteOrder(order3); //删除订单 3
Console.WriteLine(orderService.GetOrderCounts()); //输出现在订单表中订单的个数
Console.WriteLine();
orderService.DeleteOrder(order1); //删除订单 1
Console.WriteLine(orderService.GetOrderCounts()); //输出现在订单表中订单的个数
Console.WriteLine();
}
