第一封是订单确认，里面会写上你的OrderNumber（订单号）和ConfirmationNumber（确认号）。这些都是商家接收到你的订单的通知，方便后续查询，与物流无关。
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private String orderNumber 该表情在系统中的排序号码
To make that a little clearer, Figure 12 shows the OrderNumber property that has an int type.
为了表达得更为清楚，图12显示了具有int类型的ordernumber属性。
Figure 19 shows creating an alias (as a result of clicking New), which is the orderNumber attribute of the order business object.
图19显示了创建的别名(单击new得到的结果)，它是order业务对象的ordernumber属性。
The value of orderNumber in the Order business object, which is used as input for both operations, has been set as the correlation ID.
Order 业务对象中的 orderNumber 值（它用作这两个操作的输入）都已经被设置为关联 ID。
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