call FUNCTION ‘CRM_BUPA_SMI_USER_ADD’ EXPORTING IV_PARTNER_GUID = ‘C753584C40244665E10000000A42824A’ IV_SOCIALMEDIACHANNEL = ‘0001’ IV_SOCIALUSER = ‘12345678901234567890123456789012345678901234567890’. COMMIT WORK AND WAIT.
通过单例模式的get_instance拿到buffer实例
典型的singleton模式: