根據TCODE找使用者出口的程式碼

EPORT z_find_userexit NO STANDARD PAGE HEADING.
TABLES : tstc, "SAP Transaction Codes
tadir, "Directory of Repository Objects
modsapt, "SAP Enhancements - Short Texts
modact, "Modifications
trdir, "System table TRDIR
tfdir, "Function Module
enlfdir, "Additional Attributes for Function Modules
tstct. "Transaction Code Texts
*&---------------------------------------------------------------------*
*& Variables
*&---------------------------------------------------------------------*
DATA : jtab LIKE tadir OCCURS 0 WITH HEADER LINE.
DATA : field1(30).
DATA : v_devclass LIKE tadir-devclass.
*&---------------------------------------------------------------------*
*& Selection Screen Parameters
*&---------------------------------------------------------------------*
SELECTION-SCREEN BEGIN OF BLOCK a01 WITH FRAME TITLE text-001.
SELECTION-SCREEN SKIP.
PARAMETERS : p_tcode LIKE tstc-tcode OBLIGATORY.
SELECTION-SCREEN SKIP.
SELECTION-SCREEN END OF BLOCK a01.[@more@]

*&---------------------------------------------------------------------*
*& Start of main program
*&---------------------------------------------------------------------*
START-OF-SELECTION.
* Validate Transaction Code
SELECT SINGLE * FROM tstc
WHERE tcode EQ p_tcode.
* Find Repository Objects for transaction code
IF sy-subrc EQ 0.
SELECT SINGLE * FROM tadir
WHERE pgmid = 'R3TR'
AND object = 'PROG'
AND obj_name = tstc-pgmna.
MOVE : tadir-devclass TO v_devclass.
IF sy-subrc NE 0.
SELECT SINGLE * FROM trdir
WHERE name = tstc-pgmna.
IF trdir-subc EQ 'F'.
SELECT SINGLE * FROM tfdir

WHERE pname = tstc-pgmna.

SELECT SINGLE * FROM enlfdir

WHERE funcname = tfdir-funcname.

SELECT SINGLE * FROM tadir

WHERE pgmid = 'R3TR'

AND object = 'FUGR'

AND obj_name = enlfdir-area.

MOVE : tadir-devclass TO v_devclass.

ENDIF.

ENDIF.

* Find SAP Modifactions

SELECT * FROM tadir

INTO TABLE jtab

WHERE pgmid = 'R3TR'

AND object = 'SMOD'

AND devclass = v_devclass.

SELECT SINGLE * FROM tstct

WHERE sprsl EQ sy-langu

AND tcode EQ p_tcode.

FORMAT COLOR COL_POSITIVE INTENSIFIED OFF.

WRITE:/(19) 'Transaction Code - ',

20(20) p_tcode,

45(50) tstct-ttext.

SKIP.

IF NOT jtab[] IS INITIAL.

WRITE:/(95) sy-uline.

FORMAT COLOR COL_HEADING INTENSIFIED ON.

WRITE:/1 sy-vline,

2 'Exit Name',

21 sy-vline ,

22 'Description',

95 sy-vline.

WRITE:/(95) sy-uline.

LOOP AT jtab.

SELECT SINGLE * FROM modsapt

WHERE sprsl = sy-langu AND

name = jtab-obj_name.

FORMAT COLOR COL_NORMAL INTENSIFIED OFF.

WRITE:/1 sy-vline,

2 jtab-obj_name HOTSPOT ON,

21 sy-vline ,

22 modsapt-modtext,

95 sy-vline.

ENDLOOP.

WRITE:/(95) sy-uline.

DESCRIBE TABLE jtab.

SKIP.

FORMAT COLOR COL_TOTAL INTENSIFIED ON.

WRITE:/ 'No of Exits:' , sy-tfill.

ELSE.

FORMAT COLOR COL_NEGATIVE INTENSIFIED ON.

WRITE:/(95) 'No User Exit exists'.

ENDIF.

ELSE.

FORMAT COLOR COL_NEGATIVE INTENSIFIED ON.

WRITE:/(95) 'Transaction Code Does Not Exist'.

ENDIF.

* Take the user to SMOD for the Exit that was selected.

AT LINE-SELECTION.

GET CURSOR FIELD field1.

CHECK field1(4) EQ 'JTAB'.

SET PARAMETER ID 'MON' FIELD sy-lisel+1(10).

CALL TRANSACTION 'SMOD' AND SKIP FIRST SCREEN.