2016.4.26_写了个下载abap代码的程序【ABAP】

系统里存了很多以前写的代码，好长时间不看都忘了，还是想存到本地，挨个复制粘贴太麻烦了，有好多程序写的很正式，有很多include，复制起来就更麻烦了。

所以想着写个程序把程序名一输，自动下载所有代码。

*&---------------------------------------------------------------------*
*& REPORT  YZ_TEST
*&
*&---------------------------------------------------------------------*
*&
*&
*&---------------------------------------------------------------------*

REPORT YZ_TEST NO STANDARD PAGE HEADING
                   MESSAGE-ID YTEST.

TYPES :BEGIN OF TYP_DATA,
         DATA(200) TYPE C,
       END OF TYP_DATA.
DATA GT_ALLCODE TYPE STANDARD TABLE OF TYP_DATA WITH HEADER LINE.
DATA GT_TEMPCODE TYPE STANDARD TABLE OF TYP_DATA WITH HEADER LINE.
DATA GT_INCLUDE  TYPE STANDARD TABLE OF TYP_DATA WITH HEADER LINE.
DATA LV_LENG TYPE I.
DATA LV_PROGLEN TYPE I.
DATA LV_FPATH TYPE STRING.
DATA GV_MARK TYPE C.
CONSTANTS: LC_POINT TYPE C VALUE ‘.‘.
CONSTANTS: LC_INCLUDE TYPE C LENGTH 7 VALUE ‘INCLUDE‘.

PARAMETERS:P_REPORT TYPE RSRD1-OBJNAME OBLIGATORY DEFAULT ‘YZTEST‘.

PARAMETERS: P_PATH TYPE IBIPPARMS-PATH OBLIGATORY
                DEFAULT ‘C:\Users\xabap01\Desktop\test.xls‘ .

AT SELECTION-SCREEN ON VALUE-REQUEST FOR P_PATH.
  PERFORM F_F4_PATH  CHANGING P_PATH.

START-OF-SELECTION.
  LV_PROGLEN = STRLEN( P_REPORT ) + 3.
  READ REPORT P_REPORT INTO GT_ALLCODE.

  LOOP AT GT_ALLCODE.
    SEARCH GT_ALLCODE-DATA FOR ‘INCLUDE‘.
    IF SY-SUBRC EQ 0.
      GV_MARK = ‘X‘.

      LV_LENG = STRLEN( GT_ALLCODE-DATA ).
      SHIFT GT_ALLCODE-DATA UP TO LC_INCLUDE LEFT.
      GT_ALLCODE-DATA = GT_ALLCODE-DATA+8(LV_PROGLEN).

      GT_INCLUDE-DATA = GT_ALLCODE-DATA.
      APPEND GT_INCLUDE.
      CLEAR: GT_INCLUDE,GT_ALLCODE.
    ENDIF.
  ENDLOOP.

  IF GV_MARK EQ ‘x‘.
  LOOP AT GT_INCLUDE.
      READ REPORT GT_INCLUDE-DATA INTO GT_TEMPCODE.
      IF SY-SUBRC EQ 0.
        APPEND LINES OF GT_TEMPCODE TO GT_ALLCODE.
        CLEAR:GT_TEMPCODE,GT_TEMPCODE[].
      ENDIF.
    ENDLOOP.
    CLEAR GV_MARK.
  ENDIF.

  LV_FPATH = P_PATH.
  CALL FUNCTION ‘GUI_DOWNLOAD‘
    EXPORTING
      FILENAME                = LV_FPATH
      FILETYPE                = ‘ASC‘
      WRITE_FIELD_SEPARATOR   = ‘X‘
    TABLES
      DATA_TAB                = GT_ALLCODE
    EXCEPTIONS
      FILE_WRITE_ERROR        = 1
      NO_BATCH                = 2
      GUI_REFUSE_FILETRANSFER = 3
      INVALID_TYPE            = 4
      NO_AUTHORITY            = 5
      UNKNOWN_ERROR           = 6
      HEADER_NOT_ALLOWED      = 7
      SEPARATOR_NOT_ALLOWED   = 8
      FILESIZE_NOT_ALLOWED    = 9
      HEADER_TOO_LONG         = 10
      DP_ERROR_CREATE         = 11
      DP_ERROR_SEND           = 12
      DP_ERROR_WRITE          = 13
      UNKNOWN_DP_ERROR        = 14
      ACCESS_DENIED           = 15
      DP_OUT_OF_MEMORY        = 16
      DISK_FULL               = 17
      DP_TIMEOUT              = 18
      FILE_NOT_FOUND          = 19
      DATAPROVIDER_EXCEPTION  = 20
      CONTROL_FLUSH_ERROR     = 21
      OTHERS                  = 22.
  IF SY-SUBRC <> 0.
    MESSAGE E000 WITH ‘download failed !‘ .
    RETURN.
  ENDIF.

*&---------------------------------------------------------------------*
*&      Form  F_F4_PATH
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*      <--P_P_PATH  text
*----------------------------------------------------------------------*
FORM F_F4_PATH  CHANGING P_PATH.

  DATA: LV_EXTEN TYPE STRING,
        LV_FILTER TYPE STRING,
        LV_DIREC TYPE STRING,
        LV_FP TYPE STRING,
        LV_RC TYPE I,
        LT_FT TYPE FILETABLE,
        LS_FT LIKE LINE OF LT_FT.

  CALL METHOD CL_GUI_FRONTEND_SERVICES=>FILE_OPEN_DIALOG
    EXPORTING
      DEFAULT_EXTENSION       = LV_EXTEN
      FILE_FILTER             = LV_FILTER
      INITIAL_DIRECTORY       = LV_DIREC
    CHANGING
      FILE_TABLE              = LT_FT
      RC                      = LV_RC
    EXCEPTIONS
      FILE_OPEN_DIALOG_FAILED = 1
      CNTL_ERROR              = 2
      ERROR_NO_GUI            = 3
      NOT_SUPPORTED_BY_GUI    = 4
      OTHERS                  = 5.
  READ TABLE LT_FT INTO LS_FT INDEX 1.
  LV_FP = LS_FT.

  P_PATH = LV_FP.
ENDFORM.                    " F_F4_PATH

写完以后给同事看，结果人家给了一个更好的代码：

http://blog.163.com/fuwa_beijing/blog/static/50467514201041135032400/

功能看起来很多，下载程序代码同时还能吧程序中用到的表结构下载成html文件。最终还是用这个代码备份了所有程序。