private void button1_Click(object sender, EventArgs e)
        {
            Goods goods1 = null, goods2 = null, goods3 = null;

            ordinal++;
            Order order = new Order();
            int   orderDetailsDetailsNumber = 0;

            if (checkBox1.Checked && textBox1.Text != "")
            {
                goods1 = new Goods("water");
                OrderDetails orderDetails = new OrderDetails(goods1, Convert.ToInt32(textBox1.Text));
                orderDetailsDetailsNumber++;
                orderDetails.DetailsNumber = orderDetailsDetailsNumber;
                order.MyOrder.Add(orderDetails);
            }
            if (checkBox2.Checked && textBox2.Text != "")
            {
                goods2 = new Goods("bread");
                OrderDetails orderDetails = new OrderDetails(goods2, Convert.ToInt32(textBox2.Text));
                orderDetailsDetailsNumber++;
                orderDetails.DetailsNumber = orderDetailsDetailsNumber;
                order.MyOrder.Add(orderDetails);
            }
            if (checkBox3.Checked && textBox3.Text != "")
            {
                goods3 = new Goods("book");
                OrderDetails orderDetails = new OrderDetails(goods3, Convert.ToInt32(textBox3.Text));
                orderDetailsDetailsNumber++;
                orderDetails.DetailsNumber = orderDetailsDetailsNumber;
                order.MyOrder.Add(orderDetails);
            }

            if (!textBox4.Text.Equals(""))
            {
                order.Client = textBox4.Text;
            }
            else
            {
                MessageBox.Show("请输入客户名!");
                return;
            }

            if (!textBox5.Text.Equals(""))
            {
                if (System.Text.RegularExpressions.Regex.IsMatch(textBox5.Text, @"^[1]+[3,4,5,8]+\d{9}"))
                {
                    order.Tel = textBox5.Text;
                }
                else
                {
                    MessageBox.Show("请输入正确的手机号码 !");
                    return;
                }
            }
            else
            {
                MessageBox.Show("请输入电话!");
                return;
            }

            if (orderDetailsDetailsNumber == 0)
            {
                MessageBox.Show("空订单!");
                return;
            }
            else
            {
                MessageBox.Show("添加成功!");
            }

            order.OrderId = ordinal + DateTime.Now.Year * 1000000 + DateTime.Now.Month * 10000 + DateTime.Now.Day * 100;
            order.Sum();
            Form1.OrderService.AddOrder(order);
        }
        }                                    //商品

        public OrderDetails(string name, int amount, Goods goods)
        {
            this.OrderId     = name;
            this.OrderAmount = amount;
            this.goods       = goods;
        }