ABAP 7.40 快速参考-内联声明

DATA text TYPE string.
text = 'ABC'.

DATA(text) = 'ABC'.

DATA wa like LINE OF itab.
LOOP AT itab INTO wa.
...
ENDLOOP.

LOOP AT itab INTO DATA(wa).
  ...
ENDLOOP.

DATA a1 TYPE ...
DATA a2 TYPE ...

oref->meth( 
        IMPORTING p1 = a1
        IMPORTING p2 = a2 ).

oref->meth( 
        IMPORTING p1 = DATA(a1)
        IMPORTING p2 = DATA(a2) ).

FIELD-SYMBOLS: <line> type …
LOOP AT itab ASSIGNING <line>.
  ...
ENDLOOP.

LOOP AT itab
   ASSIGNING FIELD-SYMBOL(<line>).
   ...
ENDLOOP.

FIELD-SYMBOLS: <line> type …
READ TABLE itab
           ASSIGNING <line>.

READ TABLE itab

   ASSIGNING FIELD-SYMBOL(<line>).

DATA itab TYPE TABLE OF dbtab.

SELECT * FROM dbtab
         INTO TABLE itab
        WHERE fld1 = lv_fld1.

SELECT * FROM dbtab
   INTO TABLE @DATA(itab) 
        WHERE fld1 = @lv_fld1.

SELECT SINGLE f1 f2
  FROM dbtab
  INTO (lv_f1, lv_f2)

 WHERE ...
 WRITE: / lv_f1, lv_f2.

SELECT SINGLE f1 AS my_f1,
              f2 AS abc
         FROM dbtab
         INTO DATA(ls_struct)
        WHERE ...

WRITE: / ls_struct-my_f1,
         ls_struct-abc.