文件说明java模式，The CustomerFacade class offers a higher level business service in the

form of the saveCustomerData method. Instead of interacting with each of the subsystem components directly, the client AccountManager can make use of the higher level, more simplified interface offered by the CustomerFacade object to validate and save the input customer data.

-Document describes the java mode, The CustomerFacade class offers a higher level business service in theform of the saveCustomerData method. Instead of interacting with each of the subsystem components directly, the client AccountManager can make use of the higher level, more simplified interface offered by the CustomerFacade object to validate and save the input customer data.