ABAP解析返回的JSON 案例

DATA:LTOKEN TYPE STRING.DATA: LL_LINES(10),"行數LL_TABIX(10),"循環標號LL_PECNT     TYPE P LENGTH 6 DECIMALS 2, "百分比LL_PECET(6),"百分數LL_TEXT(40)."消息CLEAR: LL_LINES,LL_TABIX,LL_PECNT,LL_PECET,LL_TEXT.*  CALL FUNCTION 'ZWMS_XHY_GET_TOKEN'
*    IMPORTING
*      LV_RESULT = LTOKEN.DATA: LEN            TYPE        I, "發送報文長度LEN_STRING     TYPE        STRING,URL            TYPE        STRING, "接口地址LV_URL         TYPE AGR_URL,LV_URL_STR     TYPE STRING,HTTP_CLIENT    TYPE REF TO IF_HTTP_CLIENT, "http客戶端LV_SERVER_NAME TYPE ZE_SERVER_NAME,POST_STRING    TYPE        STRING,RESULT         TYPE        STRING,LTIMEEND       TYPE STRING, "時間戳結束LTIMEST        TYPE STRING. "時間戳開始LV_URL_STR = 'your URL '.CALL METHOD CL_HTTP_CLIENT=>CREATE_BY_URLEXPORTINGURL                = LV_URL_STRIMPORTINGCLIENT             = HTTP_CLIENTEXCEPTIONSARGUMENT_NOT_FOUND = 1PLUGIN_NOT_ACTIVE  = 2INTERNAL_ERROR     = 3OTHERS             = 4."設定傳輸請求內容格式以及編碼格式HTTP_CLIENT->REQUEST->SET_CONTENT_TYPE( CONTENT_TYPE = 'application/json; charset=utf-8' )."設置http method 為GetHTTP_CLIENT->REQUEST->SET_METHOD( IF_HTTP_REQUEST=>CO_REQUEST_METHOD_POST ).DATA:LVJSON TYPE STRING.DATA:L_UUID32 TYPE SYSUUID_C32,ILOGS    LIKE ZRFCLOGS OCCURS 0 WITH HEADER LINE.DATA:ITEM TYPE I. "行項目ITEM = 0.LVJSON = '{"SQL":"SELECT top 20 MATNR from ZVMARC "}'. //your  json  參數LEN = STRLEN( LVJSON ).ILOGS-CALPARMI =  LVJSON.CALL METHOD HTTP_CLIENT->REQUEST->SET_HEADER_FIELDEXPORTINGNAME  = '~request_method'VALUE = 'POST'."設置傳入字符串CALL METHOD HTTP_CLIENT->REQUEST->SET_CDATAEXPORTINGDATA   = LVJSONOFFSET = 0LENGTH = LEN."發送CALL METHOD HTTP_CLIENT->SENDEXCEPTIONSHTTP_COMMUNICATION_FAILURE = 1HTTP_INVALID_STATE         = 2HTTP_PROCESSING_FAILED     = 3HTTP_INVALID_TIMEOUT       = 4OTHERS                     = 5."接收CALL METHOD HTTP_CLIENT->RECEIVEEXCEPTIONSHTTP_COMMUNICATION_FAILURE = 1HTTP_INVALID_STATE         = 2HTTP_PROCESSING_FAILED     = 3."提取返回字符串RESULT = HTTP_CLIENT->RESPONSE->GET_CDATA( ).DATA LS_CHAR TYPE C.LS_CHAR = CL_ABAP_CHAR_UTILITIES=>CR_LF.  " 獲取換行符DATA: L_JSON_ROOT_OBJECT TYPE REF TO ZCL_MDP_JSON_NODE.DATA: L_ERRORTYPE_OBJECT TYPE REF TO ZCL_MDP_JSON_NODE.DATA: L_SAP_TEST_OBJECT TYPE REF TO ZCL_MDP_JSON_NODE.DATA: L_ERRORNO_OBJECT TYPE REF TO ZCL_MDP_JSON_NODE.DATA: L_SAP_TEST_ROW1_OBJECT TYPE REF TO ZCL_MDP_JSON_NODE.DATA: L_SAP_TEST_FUNC_ID_OBJECT TYPE REF TO ZCL_MDP_JSON_NODE.DATA: LTAR TYPE TABLE OF ZCL_MDP_JSON_NODE=>TYP_ARRAY_CHILDREN.L_JSON_ROOT_OBJECT = ZCL_MDP_JSON_NODE=>DESERIALIZE( JSON = RESULT ).DATA: L_STRING TYPE STRING.L_ERRORTYPE_OBJECT = L_JSON_ROOT_OBJECT->OBJECT_GET_CHILD_NODE( KEY = 'RESULT').LTAR  = L_ERRORTYPE_OBJECT->ARRAY_CHILDREN().LOOP AT LTAR INTO DATA(LSAR).L_SAP_TEST_OBJECT = LSAR-NODE.L_SAP_TEST_FUNC_ID_OBJECT  =  L_SAP_TEST_OBJECT->OBJECT_GET_CHILD_NODE( KEY = 'MATNR' ).WRITE :/ L_SAP_TEST_FUNC_ID_OBJECT->VALUE.ENDLOOP.WRITE:/ '123'.