REPORT  ztest_json.
DATA:   json_ser TYPE REF TO cl_trex_json_serializer,
        json_des TYPE REF TO zcl_trex_json_deserializer.

TYPES:BEGIN OF zsml,
  functionname(30),
  bcpcode(30),
  status(1),
  msg(256),
  result(1024),
  END OF zsml.

  DATA ls_json TYPE zsml.
  DATA lt_json TYPE TABLE OF zsml.
  
 
DATA lv_json TYPE string.

* 設置報文內容（json格式字符串）
  ls_json-functionname = ‘XXXXXX‘.
  ls_json-bcpcode = ‘20170214000000‘.
  ls_json-status = ‘S‘.
  ls_json-msg = ‘請調用接口抓取數據‘.
  ls_json-result = ‘‘.
  APPEND ls_json TO lt_json.

* 內表->JSON
  CREATE OBJECT json_ser
    EXPORTING
      DATA = lt_json[].
  CALL
 
 METHOD json_ser->serialize.
  CALL METHOD json_ser->get_data
    RECEIVING
      rval = lv_json.


*JSON->內表
CREATE OBJECT json_des.
CLEAR lt_json.
CALL METHOD json_des->deserialize
    EXPORTING
      json = lv_json
    IMPORTING
      abap = lt_json[].

ABAP JSON轉換