在此非常非常感谢源作者，这段代码真的非常非常有用好用！
REPORT YLBTEST.
TABLES :
tstc, "SAP Transaction Codes(SAP 事务代码)
tadir, "Directory of Repository Objects(资源库对象的目录)
modsapt, "SAP Enhancements - Short Texts(SAP增强-短文件)
modact, "Modifications(修正)
trdir, "System table TRDIR(系统表 TRDIR)
tfdir, "Function Module(功能模块)
enlfdir, "Additional Attributes for Function Modules(功能模块的附加属性)
tstct. "Transaction Code Texts(事务代码文本)
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) '事务代码 - ',
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:/ '用户出口数量:' , sy-tfill.
ELSE.
FORMAT COLOR COL_NEGATIVE INTENSIFIED ON.
WRITE:/(95) '此TCode木有用户出口！'.
ENDIF.
ELSE.
FORMAT COLOR COL_NEGATIVE INTENSIFIED ON.
WRITE:/(95) '事务代码不存在！'.
ENDIF.
AT LINE-SELECTION.
GET CURSOR FIELD field1.
CHECK field1(4) EQ 'JTAB'.
SET PARAMETER ID 'MON' FIELD sy-lisel+1(10).
CALL TRANSACTION 'SMOD' AND SKIP FIRST SCREEN.
版本更新V0.2(附加了根据程序名查询UserExit的功能），代码：
*************************************************************************
REPORT YLBTEST2.
TABLES: TSTC,
TADIR,
MODSAPT,
MODACT,
TRDIR,
TFDIR,
ENLFDIR,
SXS_ATTRT ,
TSTCT.
PARAMETERS: P_TCODE LIKE TSTC-TCODE, "事务码
P_PGMNA LIKE TSTC-PGMNA. "程序名
DATA : JTAB LIKE TADIR OCCURS 0 WITH HEADER LINE.
DATA : FIELD1(30).
DATA : V_DEVCLASS LIKE TADIR-DEVCLASS.
DATA : WA_TADIR TYPE TADIR.
START-OF-SELECTION.
IF NOT P_TCODE IS INITIAL.
SELECT SINGLE * FROM TSTC WHERE TCODE EQ P_TCODE.
ELSEIF NOT P_PGMNA IS INITIAL.
TSTC-PGMNA = P_PGMNA.
ENDIF.
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 EQ ENLFDIR-AREA.
MOVE : TADIR-DEVCLASS TO V_DEVCLASS.
ENDIF.
ENDIF.
SELECT * FROM TADIR INTO TABLE JTAB
WHERE PGMID = 'R3TR'
AND OBJECT IN ('SMOD', 'SXSD')
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:/(105) SY-ULINE.
FORMAT COLOR COL_HEADING INTENSIFIED ON.
* Sorting the internal Table
SORT JTAB BY OBJECT.
DATA : WF_TXT(60) TYPE C,
WF_SMOD TYPE I ,
WF_BADI TYPE I ,
WF_OBJECT2(30) TYPE C.
CLEAR : WF_SMOD, WF_BADI , WF_OBJECT2.
* Get the total SMOD.
LOOP AT JTAB INTO WA_TADIR.
AT FIRST.
FORMAT COLOR COL_HEADING INTENSIFIED ON.
WRITE:/1 SY-VLINE,
2 'Enhancement/ Business Add-in',
41 SY-VLINE ,
42 'Description',
105 SY-VLINE.
WRITE:/(105) SY-ULINE.
ENDAT.
CLEAR WF_TXT.
AT NEW OBJECT.
IF WA_TADIR-OBJECT = 'SMOD'.
WF_OBJECT2 = 'Enhancement' .
ELSEIF WA_TADIR-OBJECT = 'SXSD'.
WF_OBJECT2 = ' Business Add-in'.
ENDIF.
FORMAT COLOR COL_GROUP INTENSIFIED ON.
WRITE:/1 SY-VLINE,
2 WF_OBJECT2,
105 SY-VLINE.
ENDAT.
CASE WA_TADIR-OBJECT.
WHEN 'SMOD'.
WF_SMOD = WF_SMOD + 1.
SELECT SINGLE MODTEXT INTO WF_TXT
FROM MODSAPT
WHERE SPRSL = SY-LANGU
AND NAME = WA_TADIR-OBJ_NAME.
FORMAT COLOR COL_NORMAL INTENSIFIED OFF.
WHEN 'SXSD'.
* For BADis
WF_BADI = WF_BADI + 1 .
SELECT SINGLE TEXT INTO WF_TXT
FROM SXS_ATTRT
WHERE SPRSL = SY-LANGU
AND EXIT_NAME = WA_TADIR-OBJ_NAME.
FORMAT COLOR COL_NORMAL INTENSIFIED ON.
ENDCASE.
WRITE:/1 SY-VLINE,
2 WA_TADIR-OBJ_NAME HOTSPOT ON,
41 SY-VLINE ,
42 WF_TXT,
105 SY-VLINE.
AT END OF OBJECT.
WRITE : /(105) SY-ULINE.
ENDAT.
ENDLOOP.
WRITE:/(105) SY-ULINE.
SKIP.
FORMAT COLOR COL_TOTAL INTENSIFIED ON.
WRITE:/ 'No.of Exits:' , WF_SMOD.
WRITE:/ 'No.of BADis:' , WF_BADI.
ELSE.
FORMAT COLOR COL_NEGATIVE INTENSIFIED ON.
WRITE:/(105) 'No userexits or BADis exist'.
ENDIF.
ELSE.
FORMAT COLOR COL_NEGATIVE INTENSIFIED ON.
WRITE:/(105) 'Transaction does not exist'.
ENDIF.
AT LINE-SELECTION.
DATA : WF_OBJECT TYPE TADIR-OBJECT.
CLEAR WF_OBJECT.
GET CURSOR FIELD FIELD1.
CHECK FIELD1(8) EQ 'WA_TADIR'.
READ TABLE JTAB WITH KEY OBJ_NAME = SY-LISEL+1(20).
MOVE JTAB-OBJECT TO WF_OBJECT.
CASE WF_OBJECT.
WHEN 'SMOD'.
SET PARAMETER ID 'MON' FIELD SY-LISEL+1(10).
CALL TRANSACTION 'SMOD' AND SKIP FIRST SCREEN.
WHEN 'SXSD'.
SET PARAMETER ID 'EXN' FIELD SY-LISEL+1(20).
CALL TRANSACTION 'SE18' AND SKIP FIRST SCREEN.
ENDCASE.
************************************************************************