TABLES : tstc, "SAP Transaction Codes(SAP 事務代碼)
tadir, "Directory of Repository Objects(資源庫對象的目錄)
modsapt, "SAP Enhancements - Short Texts(SAP增強-短文件)
modact, "Modifications(修正)
trdir, "System table TRDIR(系統表 TRDIR)
tfdir, "Function Module(功能模塊)
enlfdir, "Additional Attributes for Function Modules(功能模塊的附加屬性)
tstct. "Transaction Code Texts(事務代碼文本)
DATA : jtab LIKE tadir OCCURS 0 WITH HEADER LINE.
DATA : field1(30).
DATA : v_devclass LIKE tadir-devclass.
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.
START-OF-SELECTION.
SELECT SINGLE * FROM tstc WHERE tcode EQ p_tcode.
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.
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:/(12) '事務代碼 - ',
13(20) p_tcode,
34(10) '功能 - ' ,
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:/ '用戶出口數量:' , sy-tfill.
ELSE.
FORMAT COLOR COL_NEGATIVE INTENSIFIED ON.
WRITE:/(95) '此TCode沒有用戶出口!'.
ENDIF.
ELSE.
FORMAT COLOR COL_NEGATIVE INTENSIFIED ON.
WRITE:/(95) '事務代碼不存在!'.
ENDIF.
AT LINE-SELECTION.
GET CURSOR FIELD field1.
CHECK field1(4) EQ 'JTAB'.
SET PARAMETER ID 'MON' FIELD sy-lisel+1(10).
經過調試程序,發現其基本原理就是事務代碼的程序或者函數組與用戶增強有相同的開發類。程序中先通過事務代碼找出對應的程序或者函數組,然後根據此程序或者函數組的開發類從表TADIR中找到擁有相同開發類的增強的名稱。
有兩個問題沒有搞明白:
1 爲什麼要通過開發類去關聯程序和增強,是SAP在結構設計的時候就這麼規劃的麼?
2 表TADIR的用途是什麼?都記錄了那些內容?
如果你知道問題的答案,請給我留言,非常感謝。