为了简化场景，您将仅仅使用姓氏和名字填充客户BO。
To make the scenario simple, you will only populate a customer BO with the first name and last name.
保险业巨头阿维瓦公司对其100多万名客户的资料进行分析后发现，史密斯竟是英国最普遍的姓氏，其次是琼斯和威廉姆斯。
The analysis of just over one million customers by insurance giant Aviva came up, not unsurprisingly, with Smith as the most popular surname, followed by Jones and Williams.
LastName：客户的姓氏。
例如，一个API调用可能使用一个姓氏Mott来请求一个客户记录。
For example, an API call might request a customer record with a last name equaling Mott.
根据姓氏发现客户的客户id。
对于不记得客户ID，而只提供了姓氏的客户，使用第二种版本。
The second variant is used for customers who don't remember their customer id and who provide their last name instead.
比如说，可以使用findCustomerByName方法通过客户的姓氏来搜索客户，从而实现一般用途的用例场景。
For instance, you can use the findCustomerByName method to search for a customer by the last name to implement general-purpose uses case scenarios.
比如说，可以使用findCustomerByName方法通过客户的姓氏来搜索客户，从而实现一般用途的用例场景。
For instance, you can use the findCustomerByName method to search for a customer by the last name to implement general-purpose uses case scenarios.
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