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2.a 拿ETAG request
sap/fiori/cuscrmmycalendar/sap/opu/odata/sap/CRM_APPOINTMENT_SRV/AppointmentSet(guid’3440B5B1-6F66-1ED5-8BEB-BE9CE64BF3E8’)
response:
2.b 拿appointment的attendee和attachment信息
sap/fiori/cuscrmmycalendar/sap/opu/odata/sap/CRM_APPOINTMENT_SRV/AppointmentSet(guid’3440B5B1-6F66-1ED5-8BEB-BE9CE64BF3E8’)?$expand=Attendee,AppointmentToAttachment
3.a 在appointment的attendee和attachment信息读取回来之后,在successHandler里再继续读note信息。3.a和2.b是串行的,即2.b执行完之后,才轮到3.a执行:
3.b 还是在appointment和attendee的信息读取回来之后,在successHandler里调用attachment view的bindElement方法:
这个方法会call到框架的createBindingContext,最终导致再trigger一个odata request: