ABAP内表数据和JSON格式互转

*&---------------------------------------------------------------------*
*& Report  Z_YHY_TEST_JSON
*&
*&---------------------------------------------------------------------*
*&
*&
*&---------------------------------------------------------------------*

REPORT Z_YHY_TEST_JSON.
DATA: json_ser TYPE REF TO CL_TREX_JSON_SERIALIZER,
json_des TYPE REF TO CL_TREX_JSON_DESERIALIZER.
DATA: jsonstr TYPE string.
DATA: BEGIN OF itab OCCURS 0,
matnr LIKE makt-matnr,
maktx LIKE makt-maktx,
END OF itab.

START-OF-SELECTION.
SELECT * INTO CORRESPONDING FIELDS OF TABLE itab
FROM makt UP TO 10 ROWS.

***内表->JSON
CREATE OBJECT json_ser
EXPORTING
data = itab[].
CALL METHOD json_ser->SERIALIZE.
CALL METHOD json_ser->GET_DATA
RECEIVING
rval = jsonstr.

WRITE: jsonstr.

***JSON->内表
CREATE OBJECT json_des.
CALL METHOD json_des->DESERIALIZE
EXPORTING
json = jsonstr
IMPORTING
abap = itab[].