ABAP publish restful service

stay SAP Data interaction with peripheral systems , Sometimes it needs to be published Restful Service to external system calls , Here is SAP Release Restful A simple example of a service

Create implementation classes

Transaction code ：SE24

Set the interface to be implemented ：IF_HTTP_EXTENSION

Implementation class

The main implementation methods ：IF_HTTP_EXTENSION~HANDLE_REQUEST

Implementation code

METHOD if_http_extension~handle_request.
 TYPES: BEGIN OF ty_input,
 rows TYPE i,
 END OF ty_input.

 DATA: l_input TYPE ty_input.

 DATA: i_string TYPE string,
 o_string TYPE string.

 "Get Importing Json
 i_string = server->request->if_http_entity~get_cdata( )."

 "Deserialize Json to data
 /ui2/cl_json=>deserialize( EXPORTING json = i_string CHANGING data = l_input ).

 "Get Return Data
 SELECT *
 FROM sflight
 INTO TABLE @DATA(lt_sflight)
 UP TO @l_input-rows ROWS.

 "Serialize Data to Json
 o_string = /ui2/cl_json=>serialize( lt_sflight ).

 "Set the return data format
 CALL METHOD server->response->if_http_entity~set_content_type
 EXPORTING
 content_type = 'application/json'.

 "set exporting data
 server->response->set_cdata(
 EXPORTING
 data = o_string ).

 ENDMETHOD.

Definition RESTful service

Transaction code ：SICF, New child element

Set the service processor

Set default login information （ If not set , Accessing data requires SAP Account authentication ）

Activate service

Test service

Directly test whether the service is accessible

Using third-party tools APIPost SoaUI test

Set up Json Query data

Set up SAP Account authentication （SICF Use when the default authentication account is not set ）

Send a request , Get the return data

Reproduced in :

https://blog.csdn.net/qq_30797051/article/details/123916970