Smartforms连续打印（L_CONTROL_PARAMETERS参数设置）

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IF GT_DATA[] IS NOT INITIAL.
        LOOP AT GT_DATA .

          L_CONTROL_PARAMETERS-NO_OPEN = 'X'.
          L_CONTROL_PARAMETERS-NO_CLOSE = 'X'."
          AT FIRST .
            L_CONTROL_PARAMETERS-NO_OPEN = SPACE."首次运行时打开打印对话框
            L_CONTROL_PARAMETERS-NO_CLOSE = 'X'."并且不关闭假脱机请求
          ENDAT .

          CLEAR GT_DATA_IT[] .
          SELECT VBELN POSNR MATNR ARKTX FKIMG VRKME NETWR INTO CORRESPONDING FIELDS OF TABLE GT_DATA_IT[] FROM VBRP
            WHERE VBELN = GT_DATA-VBELN
            .
          CALL FUNCTION FM_NAME
            EXPORTING
              CONTROL_PARAMETERS = L_CONTROL_PARAMETERS
              OUTPUT_OPTIONS     = L_OUTPUT_OPTIONS
              USER_SETTINGS      = ''
              GS_INVOICE_HEAD    = GT_DATA
            TABLES
              GT_INVOICE_ITEM    = GT_DATA_IT[]
            EXCEPTIONS
              FORMATTING_ERROR   = 1
              INTERNAL_ERROR     = 2
              SEND_ERROR         = 3
              USER_CANCELED      = 4
              OTHERS             = 5.
          IF SY-SUBRC <> 0.
            MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
                WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
          ENDIF.

        ENDLOOP.

        DATA: LS_JOB_OUTPUT_INFO TYPE SSFCRESCL.

        CALL FUNCTION 'SSF_CLOSE'
          IMPORTING
            JOB_OUTPUT_INFO  = LS_JOB_OUTPUT_INFO
          EXCEPTIONS
            FORMATTING_ERROR = 1
            INTERNAL_ERROR   = 2
            SEND_ERROR       = 3
            OTHERS           = 4.

        IF SY-SUBRC <> 0.
**  错误处理
          MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
          WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
        ENDIF.