ABAP JSON

1 

DATA: lv_em  TYPE string,
      lv_em1 TYPE string.
DATA: lt_but021  TYPE TABLE OF but021,
      lt_but0211 TYPE TABLE OF but021,
      ls_but021  TYPE but021.

"數據
lv_em = 'test' .

ls_but021-partner = 'partner1' .
ls_but021-adr_kind = 'kind1' .
ls_but021-addrnumber = 'addr1' .
APPEND ls_but021 TO lt_but021 .
ls_but021-partner = 'partner2' .
ls_but021-adr_kind = 'kind2' .
ls_but021-addrnumber = 'addr2' .
APPEND ls_but021 TO lt_but021 .

"  abap 轉json
DATA(json_writer) = cl_sxml_string_writer=>create( type = if_sxml=>co_xt_json ).
CALL TRANSFORMATION id
                    SOURCE content = lv_em
                           itable  = lt_but021
                    RESULT XML json_writer.
DATA(json) = json_writer->get_output( ).
DATA: lv_json TYPE string .
CALL FUNCTION 'ECATT_CONV_XSTRING_TO_STRING'
  EXPORTING
    im_xstring  = json
    im_encoding = 'UTF-8'
  IMPORTING
    ex_string   = lv_json.


"  json 轉 abap
CALL TRANSFORMATION id
                    SOURCE XML lv_json
                    RESULT content = lv_em1
                           itable = lt_but0211.

2

DATA lv_json TYPE string."定義JSON存放的變量
DATA lr_json_serializer TYPE REF TO cl_trex_json_serializer."解析JSON 用到的類(編譯成JSON格式）
DATA lr_json_deserializer TYPE REF TO cl_trex_json_deserializer. "解析JSON 用到的類（解析JSON格式）
DATA: BEGIN OF wa_wl,
        zzfld0000ht TYPE crmt_item_descr_partner,
        zzfld0000hu TYPE crmt_prshtextx_db,
        zzfld0000hv TYPE zdtel00002x,
        zzfld0000hw TYPE zdtel000135,
        zzfld0000hx TYPE zdtel0001d3,
        zzfld0000i0 TYPE char10,
      END OF wa_wl.

"根據結構通過這個類可以轉換成JSON格式
CREATE OBJECT lr_json_serializer
  EXPORTING
    data = wa_wl.
lr_json_serializer->serialize( ).
lv_json = lr_json_serializer->get_data( ).
"OA 需要用雙引號才能識別是JSON格式這里需要轉換下
REPLACE 'zzfld0000i0'IN lv_json WITH '"ZCBZ"'.
REPLACE 'zzfld0000ht'IN lv_json WITH '"WLBM"'.
REPLACE 'zzfld0000hu'IN lv_json WITH '"WLMC"'.
REPLACE 'zzfld0000hw'IN lv_json WITH '"WLDJ"'.
REPLACE 'zzfld0000hv'IN lv_json WITH '"WLSL"'.
REPLACE 'zzfld0000hx'IN lv_json WITH '"HJ"'.
IF i_num > 1.
  CONCATENATE  str1 ',' INTO str1.
ENDIF.
CONCATENATE  str1 lv_json INTO str1.
IF str1 IS NOT INITIAL.
  CONCATENATE '[' str1 ']' INTO str1.
  CONDENSE str1 NO-GAPS.
  set_fieldcat 'RTFTEXTDYNAMIC' str1.
ENDIF.

ABAP 中內表數據轉JSON 格式，轉之后格式需要調整。

文章轉自 http://blog.chinaunix.net/uid-29195436-id-5146433.html