ABAP自动生成程序

QID 用表 APQD 里的ID
REPORT Z001

去年6月花了一周的成果，可是玩了一周就没玩了，

现在想来：

研究下程序共性 ，这个总结的多，一定会提高效率

这个用起来程序， 2s 完成程序框架部分，
报表 打印 bdc 单据创建， 都行，

REPORT zrsbdcrec_1 MESSAGE-ID zdemo.
*MESSAGE-ID ms.

TABLES:progdir,
trdir.

*---------------------------------------------------------------------*
* SELECTION SCREEN
*---------------------------------------------------------------------*
PARAMETERS: qid LIKE apqd-qid,
report LIKE trdir-name.
* testdata AS CHECKBOX,
* dsn(132) LOWER CASE,
* file AS CHECKBOX.
* selections of generated program because of texts

*---------------------------------------------------------------------*
* DATA
*---------------------------------------------------------------------*
DATA: BEGIN OF source OCCURS 100,
line1(72),
line2(42),
END OF source.

DATA: dynprotab LIKE bdcdata OCCURS 0 WITH HEADER LINE.

DATA: tcode LIKE tstc-tcode.
DATA: text_tab LIKE textpool OCCURS 0 WITH HEADER LINE,
text_tab_2 LIKE textpool OCCURS 0 WITH HEADER LINE.
DATA: dynpro_fields LIKE bdcdf OCCURS 0 WITH HEADER LINE.
DATA: dynpro_fields_index LIKE sy-tabix,
tree_name(43).

**用 FIELDNAME 、FIELDTEXT
DATA:gt_field LIKE STANDARD TABLE OF dfies,
gs_field LIKE dfies.
*---------------------------------------------------------------------*
* CONSTANTS
*---------------------------------------------------------------------*
CONSTANTS: c_flg1edt TYPE x VALUE '80'.

*---------------------------------------------------------------------*
* start-of-selection
*---------------------------------------------------------------------*
START-OF-SELECTION.

PERFORM frm_check_prog.

** get bdc records
CALL FUNCTION 'BDC_OBJECT_READ'
EXPORTING
queue_id = qid
TABLES
dynprotab = dynprotab
EXCEPTIONS
not_found = 1
system_failure = 2
invalid_datatype = 3
OTHERS = 4.
IF sy-subrc >< 0.
MESSAGE s627 WITH qid.
EXIT.
ENDIF.

**get field
CALL FUNCTION 'BDC_DYNPROTAB_GET_FIELDS'
TABLES
dynprotab = dynprotab
dynprofields = dynpro_fields.

** generate source lines of report
IF report = space.
STOP.
ENDIF.
* same lines for all records

PERFORM frm_set_top.

*&s4.TYPES
PERFORM frm_get_table.

*&s5.DATA
PERFORM frm_set_data.

*&s6.SELECTION SCREEN
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source = '* SELECTION SCREEN'.
APPEND source. CLEAR source.
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source-line1 = 'PARAMETERS: p_file LIKE rlgrap-filename MEMORY ID ws MODIF ID r01,'.
APPEND source. CLEAR source.
source-line1 = 'p_mode LIKE ctu_params-dismode DEFAULT ''N''.'.
APPEND source. CLEAR source.
APPEND source.
**PARAMETERS: p_file LIKE rlgrap-filename MEMORY ID ws MODIF ID r01.

*&s7.set f4
PERFORM frm_set_f4.

*&s8.START-OF-SELECTION.
PERFORM frm_set_main.

PERFORM frm_f4.
PERFORM frm_upload_data.
PERFORM frm_alv_upload.

*&s9.USER-COMMAND.
PERFORM frm_pf_statu.
PERFORM frm_use_command.

*&s10.FORM frm_bdc_save .
PERFORM frm_bdc_save .

*&s11.BDC-top
PERFORM frm_dynpro.

**code generate
PERFORM frm_close_prog.

*---------------------------------------------------------------------*
* end-of-selection
*---------------------------------------------------------------------*

*&---------------------------------------------------------------------*
*& Form FRM_GET_TABLE
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM frm_get_table .
DATA: l_dfies LIKE dfies,
l_tabname LIKE dcobjdef-name,
l_fieldname LIKE dfies-lfieldname,
l_dummy LIKE dfies-lfieldname.

source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source = '* TABLE'.
APPEND source. CLEAR source.
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source-line1 = 'TYPES:BEGIN OF ty_data,'.
APPEND source. CLEAR source. APPEND source.

**
LOOP AT dynpro_fields.
* *** <field_n>(<length>)
CLEAR l_dfies.
IF dynpro_fields-fieldname CA '-'.
* create dataelement comment line
SPLIT dynpro_fields-fieldname AT '-'
INTO l_tabname
l_fieldname.
SPLIT l_fieldname AT '('
INTO l_fieldname
l_dummy.
CALL FUNCTION 'DDIF_FIELDINFO_GET'
EXPORTING
tabname = l_tabname
* fieldname = l_fieldname
* LANGU = SY-LANGU
lfieldname = l_fieldname
* ALL_TYPES = ' '
IMPORTING
* X030L_WA =
* DDOBJTYPE =
dfies_wa = l_dfies
* TABLES
* DFIES_TAB =
EXCEPTIONS
not_found = 1
internal_error = 2
OTHERS = 3.
IF sy-subrc <> 0.
CLEAR l_dfies.
ELSE.
* APPEND l_dfies TO gt_field.
MOVE l_dfies TO gs_field.
gs_field-fieldname = dynpro_fields-recfield.
APPEND gs_field TO gt_field.

ENDIF.
ENDIF.
source = '* data element: '.
source+16 = l_dfies-rollname.
APPEND source. CLEAR source.
CONCATENATE dynpro_fields-recfield
'(' dynpro_fields-length ')' ','
INTO source+8.
APPEND source. CLEAR source.
ENDLOOP.

source = ' SEL TYPE C,'.
APPEND source. CLEAR source.
source = ' FLAG TYPE C,'.
APPEND source. CLEAR source.
source = ' MSG TYPE MSG,'.
APPEND source. CLEAR source.
** end of record.
source = ' END OF ty_data.'.
APPEND source. CLEAR source.
APPEND source.

ENDFORM. " FRM_GET_TABLE
*&---------------------------------------------------------------------*
*& Form FRM_SET_F4
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM frm_set_f4 .
source = 'AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_file.'.
APPEND source. CLEAR source.
source = ' PERFORM frm_getdata USING p_file.'.
APPEND source. CLEAR source.
APPEND source.
ENDFORM. " FRM_SET_F4
*&---------------------------------------------------------------------*
*& Form frm_set_main
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM frm_set_main .
**text
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source = '* START-OF-SELECTION.'.
APPEND source. CLEAR source.
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.

source-line1 = 'START-OF-SELECTION.'.
APPEND source. CLEAR source. APPEND source.
source = ' PERFORM frm_upload_data.'.
APPEND source. CLEAR source.
source = ' PERFORM frm_alv_upload.'.
APPEND source. CLEAR source.
APPEND source.

ENDFORM. " frm_set_main
*&---------------------------------------------------------------------*
*& Form FRM_UPLOAD_DATA
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM frm_upload_data .

**text
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source = '*& Form FRM_UPLOAD_DATA'.
APPEND source. CLEAR source.
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.

source = 'FORM frm_upload_data .'.
APPEND source. CLEAR source.

source = ' DATA: lv_filename TYPE string.'.
APPEND source. CLEAR source.
source = ' lv_filename = p_file.'.
APPEND source. CLEAR source.
source = ' REFRESH gt_data.'.
APPEND source. CLEAR source.
source-line1 = ' CALL METHOD cl_gui_frontend_services=>gui_upload'.
APPEND source. CLEAR source.
source-line1 = ' EXPORTING'.
APPEND source. CLEAR source.
source-line1 = ' filename = lv_filename'.
APPEND source. CLEAR source.
source-line1 = ' has_field_separator = GC_TRUE '.
APPEND source. CLEAR source.
source-line1 = ' read_by_line = GC_TRUE '.
APPEND source. CLEAR source.
source-line1 = ' CHANGING'.
APPEND source. CLEAR source.
source-line1 = ' data_tab = gt_data[]'.
APPEND source. CLEAR source.
source-line1 = ' EXCEPTIONS'.
APPEND source. CLEAR source.

source-line1 = ' file_open_error = 1'.
APPEND source. CLEAR source.
source-line1 = ' file_read_error = 2'.
APPEND source. CLEAR source.
source-line1 = ' no_batch = 3'.
APPEND source. CLEAR source.
source-line1 = ' gui_refuse_filetransfer = 4'.
APPEND source. CLEAR source.
source-line1 = ' invalid_type = 5'.
APPEND source. CLEAR source.
source-line1 = ' no_authority = 6'.
APPEND source. CLEAR source.
source-line1 = ' unknown_error = 7'.
APPEND source. CLEAR source.
source-line1 = ' bad_data_format = 8'.
APPEND source. CLEAR source.
source-line1 = ' header_not_allowed = 9'.
APPEND source. CLEAR source.
source-line1 = ' separator_not_allowed = 10'.
APPEND source. CLEAR source.

source-line1 = ' header_too_long = 11'.
APPEND source. CLEAR source.
source-line1 = ' unknown_dp_error = 12'.
APPEND source. CLEAR source.
source-line1 = ' access_denied = 13'.
APPEND source. CLEAR source.
source-line1 = ' dp_out_of_memory = 14'.
APPEND source. CLEAR source.
source-line1 = ' disk_full = 15'.
APPEND source. CLEAR source.
source-line1 = ' dp_timeout = 16'.
APPEND source. CLEAR source.
source-line1 = ' error_no_gui = 18'.
APPEND source. CLEAR source.
source-line1 = ' OTHERS = 19.'.
APPEND source. CLEAR source.

source-line1 = ' IF sy-subrc <> 0.'.
APPEND source. CLEAR source.
source-line1 = ' MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno'.
APPEND source. CLEAR source.
source-line1 = ' WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.'.
APPEND source. CLEAR source.
source-line1 = ' ENDIF.'.
APPEND source. CLEAR source.

source-line1 = ' gv_tabix = LINES( gt_data[] ).'.
APPEND source. CLEAR source.
source-line1 = ' IF gv_tabix = 0.'.
APPEND source. CLEAR source.
source-line1 = ' MESSAGE i003 ."没有上传数据！.'.
APPEND source. CLEAR source.
source-line1 = ' STOP.'.
APPEND source. CLEAR source.
source-line1 = ' ENDIF.'.
APPEND source. CLEAR source.

source = 'ENDFORM. " FRM_UPLOAD_DATA'.
APPEND source. CLEAR source.
APPEND source.

ENDFORM. " FRM_UPLOAD_DATA
*&---------------------------------------------------------------------*
*& Form FRM_ALV_UPLOAD
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM frm_alv_upload .

**text
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source = '*& Form FRM_ALV_UPLOAD'.
APPEND source. CLEAR source.
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.

source = 'FORM frm_alv_upload .'.
APPEND source. CLEAR source.

source = ' DATA: l_nn TYPE i.'.
APPEND source. CLEAR source.
source = ' DEFINE add_fieldcat.'.
APPEND source. CLEAR source.
source = ' clear wa_fieldcat.'.
APPEND source. CLEAR source.
source-line1 = ' wa_fieldcat-fieldname = ''&1''.'.
APPEND source. CLEAR source.
source-line1 = ' wa_fieldcat-seltext_l = ''&2''.'.
APPEND source. CLEAR source.
source-line1 = '* wa_fieldcat-key = ''&3''.'.
APPEND source. CLEAR source.
source-line1 = ' wa_fieldcat-col_pos = l_nn + 1.'.
APPEND source. CLEAR source.
source-line1 = '* wa_fieldcat-edit = ''&4''.'.
APPEND source. CLEAR source.
source-line1 = '* wa_fieldcat-outputlen = ''&5''.'.
APPEND source. CLEAR source.
source-line1 = '* wa_fieldcat-fix_column = ''&6''.'.
APPEND source. CLEAR source.
source-line1 = '* wa_fieldcat-no_zero = ''&7''.'.
APPEND source. CLEAR source.
source-line1 = '* wa_fieldcat-just = ''&8''.'.
APPEND source. CLEAR source.
source-line1 = '* wa_fieldcat-decimals_out = ''&9''.'.
APPEND source. CLEAR source.
source-line1 = ' append wa_fieldcat to gt_fieldcat.'.
APPEND source. CLEAR source.
source-line1 = ' END-OF-DEFINITION.'.
APPEND source. CLEAR source.
APPEND source.

**write display field.
LOOP AT gt_field INTO gs_field.
CONCATENATE 'add_fieldcat' gs_field-fieldname gs_field-fieldtext '.' INTO source-line1 SEPARATED BY space.
APPEND source. CLEAR source.
ENDLOOP.
CONCATENATE 'add_fieldcat' 'flag' '处理状态' '.' INTO source-line1 SEPARATED BY space.
APPEND source. CLEAR source.
CONCATENATE 'add_fieldcat' 'msg' '消息' '.' INTO source-line1 SEPARATED BY space.
APPEND source. CLEAR source.
APPEND source.

source-line1 = ' gw_layout-colwidth_optimize = GC_TRUE.'.
APPEND source. CLEAR source.
source-line1 = ' gw_layout-box_fieldname = ''SEL''.'.
APPEND source. CLEAR source.
source-line1 = ' gv_repid = sy-repid.'.
APPEND source. CLEAR source.
APPEND source.

source-line1 = ' CALL FUNCTION ''REUSE_ALV_GRID_DISPLAY'' '.
APPEND source. CLEAR source.
source-line1 = ' EXPORTING'.
APPEND source. CLEAR source.
source-line1 = ' i_callback_program = gv_repid'.
APPEND source. CLEAR source.
source-line1 = ' i_save = ''A'' '.
APPEND source. CLEAR source.

source-line1 = ' is_layout = gw_layout'.
APPEND source. CLEAR source.
source-line1 = ' it_fieldcat = gt_fieldcat'.
APPEND source. CLEAR source.
source-line1 = '* it_events = gt_event'.
APPEND source. CLEAR source.
source-line1 = ' i_callback_pf_status_set = ''PF_STATUS_SET'' '.
APPEND source. CLEAR source.
source-line1 = ' i_callback_user_command = ''PF_USER_COMMAND'' '.
APPEND source. CLEAR source.
source-line1 = ' TABLES'.
APPEND source. CLEAR source.
source-line1 = ' t_outtab = gt_data'.
APPEND source. CLEAR source.
source-line1 = ' EXCEPTIONS'.
APPEND source. CLEAR source.

source-line1 = ' program_error = 1'.
APPEND source. CLEAR source.
source-line1 = ' OTHERS = 2.'.
APPEND source. CLEAR source.

source-line1 = 'ENDFORM. " FRM_ALV_UPLOAD'.
APPEND source. CLEAR source.
APPEND source.

ENDFORM. " FRM_ALV_UPLOAD
*&---------------------------------------------------------------------*
*& Form FRM_F4
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM frm_f4 .
**text
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source = '*& Form FRM_F4 '.
APPEND source. CLEAR source.
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.

source-line1 = 'FORM frm_getdata USING so_fiel.'.
APPEND source. CLEAR source.

source-line1 = ' DATA:l_filetab TYPE filetable,'.
APPEND source. CLEAR source.
source-line1 = ' l_rc TYPE i.'.
APPEND source. CLEAR source.
source-line1 = ' CLEAR:l_filetab.'.
APPEND source. CLEAR source.
source-line1 = ' REFRESH l_filetab.'.
APPEND source. CLEAR source.

source-line1 = ' CALL METHOD cl_gui_frontend_services=>file_open_dialog'.
APPEND source. CLEAR source.
source-line1 = ' EXPORTING'.
APPEND source. CLEAR source.
source-line1 = '* WINDOW_TITLE = ''SAP Custom - Open File'' '.
APPEND source. CLEAR source.
source-line1 = '* DEFAULT_EXTENSION = '.
APPEND source. CLEAR source.
source-line1 = ' default_filename = ''*.txt'' '.
APPEND source. CLEAR source.
source-line1 = ' initial_directory = ''d:\'' '.
APPEND source. CLEAR source.
source-line1 = ' multiselection = '''' '.
APPEND source. CLEAR source.

source-line1 = ' CHANGING'.
APPEND source. CLEAR source.
source-line1 = ' file_table = l_filetab'.
APPEND source. CLEAR source.
source-line1 = ' rc = l_rc'.
APPEND source. CLEAR source.
source-line1 = ' EXCEPTIONS'.
APPEND source. CLEAR source.
source-line1 = ' cntl_error = 1 '.
APPEND source. CLEAR source.
source-line1 = ' error_no_gui = 2 '.
APPEND source. CLEAR source.
source-line1 = ' not_supported_by_gui = 3 '.
APPEND source. CLEAR source.

source-line1 = ' OTHERS = 4.'.
APPEND source. CLEAR source.
source-line1 = ' CHECK l_rc EQ 1.'.
APPEND source. CLEAR source.
source-line1 = ' READ TABLE l_filetab INDEX 1 INTO p_file.'.
APPEND source. CLEAR source.
source-line1 = 'ENDFORM. " FRM_F4'.
APPEND source. CLEAR source.
APPEND source.

ENDFORM. " FRM_F4
*&---------------------------------------------------------------------*
*& Form FRM_CHECK_PROG
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM frm_check_prog .
DATA:ls_trdir LIKE trdir.

IF report(1) NE 'Z' AND report(1) NE 'Y'.
MESSAGE s001 WITH report(1) DISPLAY LIKE 'E'.
STOP.
ENDIF.

SELECT SINGLE * INTO ls_trdir
FROM trdir
WHERE name = report.
IF sy-subrc EQ 0.
MESSAGE s000 WITH report DISPLAY LIKE 'E'.
STOP.
ENDIF.

ENDFORM. " FRM_CHECK_PROG
*&---------------------------------------------------------------------*
*& Form FRM_CLOSE_PROG
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM frm_close_prog .

** insert report
INSERT REPORT report FROM source.

** actualize EU-tree
CONCATENATE 'PG_'
report
INTO tree_name.
CALL FUNCTION 'WB_TREE_ACTUALIZE'
EXPORTING
tree_name = tree_name.
* WITHOUT_TREE = ' '
* WITH_TCODE_INDEX =
* IMPORTING
* SYNTAX_ERROR =.
MESSAGE s609 WITH report.

ENDFORM. " FRM_CLOSE_PROG
*&---------------------------------------------------------------------*
*& Form FRM_PF_STATU
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM frm_pf_statu .
**text
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source = '* 通过SE41，拷贝程序SAPLSLVC_FULLSCREEN的状态STANDARD_FULLSCREEN过来'.
APPEND source. CLEAR source.
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.

source-line1 = 'FORM pf_status_set USING rt_extab TYPE slis_t_extab.'.
APPEND source. CLEAR source.
source-line1 = ' SET PF-STATUS ''STANDARD_FULLSCREEN'' .'.
APPEND source. CLEAR source.
source-line1 = 'ENDFORM. "sub_set_pf_status'.
APPEND source. CLEAR source.

ENDFORM. " FRM_PF_STATU
*&---------------------------------------------------------------------*
*& Form FRM_USE_COMMAND
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM frm_use_command .
**text
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source = '*& Form PF_USER_COMMAND'.
APPEND source. CLEAR source.
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.

source-line1 = 'FORM pf_user_command USING p_ucomm LIKE sy-ucomm'.
APPEND source. CLEAR source.
source-line1 = ' ps_selfield TYPE slis_selfield .'.
APPEND source. CLEAR source.
source-line1 = ' DATA:lv_answer TYPE c.'.
APPEND source. CLEAR source.

source-line1 = ' ps_selfield-refresh = ''X''. '.
APPEND source. CLEAR source.
source-line1 = ' CASE p_ucomm.'.
APPEND source. CLEAR source.
source-line1 = ' WHEN ''&DATA_SAVE''.'.
APPEND source. CLEAR source.

source-line1 = ' PERFORM frm_bdc_save.'.
APPEND source. CLEAR source.
source-line1 = ' WHEN ''&F03'' OR ''&F12'' OR ''&F15''.'.
APPEND source. CLEAR source.
source-line1 = ' LEAVE TO SCREEN 0.'.
APPEND source. CLEAR source.
source-line1 = ' WHEN OTHERS.'.
APPEND source. CLEAR source.
source-line1 = ' ...'.
APPEND source. CLEAR source.
source-line1 = ' ENDCASE.'.
APPEND source. CLEAR source.

source-line1 = ' ps_selfield-refresh = ''X''.'.
APPEND source. CLEAR source.
source-line1 = 'ENDFORM. "PF_USER_COMMAND'.
APPEND source. CLEAR source.

ENDFORM. " FRM_USE_COMMAND
*&---------------------------------------------------------------------*
*& Form FRM_BDC_SAVE
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM frm_bdc_save .
**text
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source = '*& Form FRM_BDC_SAVE.'.
APPEND source. CLEAR source.
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.

source-line1 = 'FORM frm_bdc_save .'.
APPEND source. CLEAR source.

source-line1 = ' DATA: t100 LIKE t100.'.
APPEND source. CLEAR source.
source-line1 = ' DATA: l_mstring(480).'.
APPEND source. CLEAR source.
APPEND source.

source-line1 = ' LOOP AT gt_data INTO gs_data WHERE sel = gc_true.'.
APPEND source. CLEAR source.
source-line1 = '**清空变量'.
APPEND source. CLEAR source.

source-line1 = ' CLEAR: gt_bdcd,gt_bdcd[],'.
APPEND source. CLEAR source.
source-line1 = ' gt_messtab,gt_messtab[].'.
APPEND source. CLEAR source.
APPEND source.

break c_xiangc.
**利用标准生产 BDC-form
*---------------------------------------------------------------------*
LOOP AT dynprotab.
CASE dynprotab-dynbegin.

**new transaction
WHEN 'T'.
* store transaction AFTER getting field values!
IF NOT tcode IS INITIAL.
****perform bdc_transaction using dynprotab-fnam.
source-line1 = 'perform bdc_transaction using'.
CONCATENATE ''''
tcode
'''.'
INTO source-line2.
APPEND source. CLEAR source. APPEND source.
ENDIF.
**save tcode for next transaction
tcode = dynprotab-fnam.
* new dynpro
WHEN 'X'.
****perform bdc_dynpro using dynprotab-program dynprotab-dynpro.
source-line1 = 'perform bdc_dynpro using'.
CONCATENATE ''''
dynprotab-program
''''
' '''
dynprotab-dynpro
'''.'
INTO source-line2.
APPEND source. CLEAR source.
**dynpro field
WHEN space.
****perform bdc_field using <dynprotab-fnam> <dynprotab-fval>.
CHECK dynprotab-fnam <> 'BDC_SUBSCR'.
source-line1 = 'perform bdc_field using'.
CONCATENATE ''''
dynprotab-fnam
''''
INTO source-line2.
APPEND source. CLEAR source.
**从文件 读取字段
*IF DYNPROTAB-FNAM = 'BDC_OKCODE' OR

IF dynprotab-fnam = 'BDC_OKCODE' OR
dynprotab-fnam = 'BDC_CURSOR' OR
dynprotab-fnam = 'BDC_SUBSCR'.
PERFORM source_line_for_field_content USING dynprotab-fval.

ELSE.
ADD 1 TO dynpro_fields_index.
READ TABLE dynpro_fields INDEX dynpro_fields_index.
IF sy-subrc <> 0.
MESSAGE a614 WITH dynprotab-fnam.
ENDIF.

CONCATENATE 'gs_data-'
dynpro_fields-recfield
'.'
INTO source-line2.
APPEND source. CLEAR source.

ENDIF.

* source line for read from dataset
* IF FILE = 'X'.
** * ...records-<field>
* PERFORM SOURCE_LINE_FOR_VAR_FIELD.
** source line for read from records
* ELSE.
** * ...<dynprotab-fval>
* PERFORM SOURCE_LINE_FOR_FIELD_CONTENT USING DYNPROTAB-FVAL.
* ENDIF.
ENDCASE.
ENDLOOP.
APPEND source.
*---------------------------------------------------------------------*

**！自定义BDC 子程序
* LOOP AT gt_field INTO gs_field.
* CONCATENATE 'add_fieldcat' gs_field-fieldname gs_field-fieldtext '.' INTO source-line1 SEPARATED BY space.
* APPEND source. CLEAR source.
* ENDLOOP.
* CONCATENATE 'add_fieldcat' 'flag' '处理状态' '.' INTO source-line1 SEPARATED BY space.
* APPEND source. CLEAR source.
* CONCATENATE 'add_fieldcat' 'msg' '消息' '.' INTO source-line1 SEPARATED BY space.
* APPEND source. CLEAR source.
* APPEND source.

CONCATENATE '''' tcode '''' into tcode.
concatenate ' CALL TRANSACTION' tcode 'USING gt_bdcd' into source-line1 separated by space.
* source-line1 = ' CALL TRANSACTION 'MM01' USING gt_bdcd'.
APPEND source. CLEAR source.
source-line1 = ' MODE p_mode'.
APPEND source. CLEAR source.
source-line1 = ' UPDATE ''S'''.
APPEND source. CLEAR source.
source-line1 = ' MESSAGES INTO gt_messtab.'.
APPEND source. CLEAR source.

source-line1 = ' IF sy-subrc = 0.'.
APPEND source. CLEAR source.
source-line1 = ' gs_data-flag = gc_0.'.
APPEND source. CLEAR source.
source-line1 = ' gs_data-flag = gc_4.'.
APPEND source. CLEAR source.
source-line1 = ' ENDIF.'.
APPEND source. CLEAR source.

source-line1 = ' LOOP AT gt_messtab .'.
APPEND source. CLEAR source.
source-line1 = ' SELECT SINGLE *'.
APPEND source. CLEAR source.
source-line1 = ' INTO t100 '.
APPEND source. CLEAR source.
source-line1 = ' FROM t100 '.
APPEND source. CLEAR source.
source-line1 = ' WHERE sprsl = gt_messtab-msgspra'.
APPEND source. CLEAR source.
source-line1 = ' AND arbgb = gt_messtab-msgid'.
APPEND source. CLEAR source.
source-line1 = ' AND msgnr = gt_messtab-msgnr.'.
APPEND source. CLEAR source.

source-line1 = ' IF sy-subrc = 0.'.
APPEND source. CLEAR source.
source-line1 = ' l_mstring = t100-text.'.
APPEND source. CLEAR source.
source-line1 = ' IF l_mstring CS ''&1''.'.
APPEND source. CLEAR source.
source-line1 = ' REPLACE ''&1'' WITH gt_messtab-msgv1 INTO l_mstring.'.
APPEND source. CLEAR source.
source-line1 = ' REPLACE ''&2'' WITH gt_messtab-msgv2 INTO l_mstring.'.
APPEND source. CLEAR source.
source-line1 = ' REPLACE ''&3'' WITH gt_messtab-msgv3 INTO l_mstring.'.
APPEND source. CLEAR source.
source-line1 = ' REPLACE ''&4'' WITH gt_messtab-msgv4 INTO l_mstring.'.
APPEND source. CLEAR source.
source-line1 = ' ELSE.'.
APPEND source. CLEAR source.
source-line1 = ' REPLACE ''&'' WITH gt_messtab-msgv1 INTO l_mstring.'.
APPEND source. CLEAR source.
source-line1 = ' REPLACE ''&'' WITH gt_messtab-msgv2 INTO l_mstring.'.
APPEND source. CLEAR source.
source-line1 = ' REPLACE ''&'' WITH gt_messtab-msgv3 INTO l_mstring.'.
APPEND source. CLEAR source.
source-line1 = ' REPLACE ''&'' WITH gt_messtab-msgv4 INTO l_mstring.'.
APPEND source. CLEAR source.
source-line1 = ' ENDIF.'.
APPEND source. CLEAR source.

source-line1 = ' CONDENSE l_mstring.'.
APPEND source. CLEAR source.
source-line1 = ' CONCATENATE gs_data-msg l_mstring INTO gs_data-msg.'.
APPEND source. CLEAR source.
source-line1 = ' ELSE.'.
APPEND source. CLEAR source.
source-line1 = ' CONCATENATE gs_data-msg gt_messtab INTO gs_data-msg.'.
APPEND source. CLEAR source.
source-line1 = ' ENDIF.'.
APPEND source. CLEAR source.
source-line1 = ' ENDLOOP.'.
APPEND source. CLEAR source.

source-line1 = ' MODIFY gt_data FROM gs_data.'.
APPEND source. CLEAR source.
source-line1 = ' CLEAR gs_data.'.
APPEND source. CLEAR source.
source-line1 = ' ENDLOOP.'.
APPEND source. CLEAR source.
source-line1 = 'ENDFORM. " FRM_BDC_SAVE'.
APPEND source. CLEAR source.

ENDFORM. " FRM_BDC_SAVE
*&---------------------------------------------------------------------*
*& Form frm_SET_DATA
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM frm_set_data .
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source = '* DATA'.
APPEND source. CLEAR source.
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source-line1 = 'DATA:gt_data TYPE TABLE OF ty_data,'.
APPEND source. CLEAR source.
source-line1 = ' gs_data TYPE ty_data.'.
APPEND source. CLEAR source.
source-line1 = 'DATA:gv_tabix TYPE sy-tabix.'.
APPEND source. CLEAR source.

**CONSTANTS
source-line1 = 'CONSTANTS: GC_TRUE TYPE SAP_BOOL VALUE ''X'', '.
APPEND source. CLEAR source.
source-line1 = ' gc_0 TYPE sap_bool VALUE ''S'', '.
APPEND source. CLEAR source.
source-line1 = ' gc_4 TYPE sap_bool VALUE ''E''. '.
APPEND source. CLEAR source.

source = '*DATA for BDC'.
APPEND source. CLEAR source.
source-line1 = 'DATA:gt_bdcd LIKE bdcdata OCCURS 0 WITH HEADER LINE.'.
APPEND source. CLEAR source.
source-line1 = 'DATA:gt_messtab LIKE bdcmsgcoll OCCURS 0 WITH HEADER LINE.'.
APPEND source. CLEAR source.

source = '*DATA for alv'.
APPEND source. CLEAR source.
source-line1 = 'DATA: gv_repid TYPE sy-repid,'.
APPEND source. CLEAR source.
source-line1 = ' gw_layout TYPE slis_layout_alv,'.
APPEND source. CLEAR source.
source-line1 = ' gt_fieldcat TYPE slis_t_fieldcat_alv,'.
APPEND source. CLEAR source.
source-line1 = ' wa_fieldcat TYPE slis_fieldcat_alv,'.
APPEND source. CLEAR source.
source-line1 = ' gt_event TYPE slis_t_event,'.
APPEND source. CLEAR source.
source-line1 = ' wa_event TYPE slis_alv_event.'.
APPEND source. CLEAR source. APPEND source.

ENDFORM. " frm_SET_DATA
*&---------------------------------------------------------------------*
*& Form FRM_SET_TOP
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM frm_set_top .
*&s1.report <report>
CONCATENATE 'report'
report
INTO source SEPARATED BY space.
APPEND source. CLEAR source.
source = ' no standard page heading line-size 255 MESSAGE-ID DEMO.'.
APPEND source. CLEAR source. APPEND source.

*&s2.include bdcrecx1. "since release 4.5
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source = '* INCLUDE'.
APPEND source. CLEAR source.
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
APPEND source.
source-line1 = 'include bdcrecx1.'.
APPEND source. CLEAR source.
APPEND source.

*&s3.TYPE-POOLS
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source = '* TYPE-POOLS'.
APPEND source. CLEAR source.
source = '*---------------------------------------------------------------------*'.
APPEND source. CLEAR source.
source-line1 = 'TYPE-POOLS:slis,truxs.'.
APPEND source. CLEAR source. APPEND source.
ENDFORM. " FRM_SET_TOP
*&---------------------------------------------------------------------*
*& Form FRM_DYNPRO
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM frm_dynpro .

ENDFORM. " FRM_DYNPRO

**** source_line_for_field_content ************************************
FORM source_line_for_field_content USING p_fval.
DATA: l_fval LIKE dynprotab-fval.

l_fval = p_fval.
IF l_fval+39 = space.
CONCATENATE ''''
l_fval
'''.'
INTO source-line2.
APPEND source. CLEAR source.
ELSE. "field content longer than 38
CONCATENATE ''''
l_fval(38)
''''
INTO source-line2.
APPEND source. CLEAR source.
source-line1+28 = '&'.
DO 4 TIMES.
SHIFT l_fval BY 38 PLACES.
IF l_fval+39 = space.
CONCATENATE ''''
l_fval
'''.'
INTO source-line2.
APPEND source. CLEAR source.
EXIT.
ELSE. "field content longer than n x 38
CONCATENATE ''''
l_fval(38)
''''
INTO source-line2.
APPEND source. CLEAR source-line2.
ENDIF.
ENDDO.
ENDIF.
ENDFORM. "SOURCE_LINE_FOR_FIELD_CONTENT