matinal：SAP ABAP 新语法之变量声明的用法

DATA text TYPE string.
text = `...`.

DATA(text) = `...`.

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

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

DATA xml TYPE xstring.
CALL TRANSFORMATION ... RESULT XML xml.

CALL TRANSFORMATION ... RESULT XML DATA(xml).

DATA a1 TYPE ...

DATA a2 TYPE ...

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

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

DATA ixml           TYPE REF TO if_ixml.
DATA stream_factory TYPE REF TO if_ixml_stream_factory.
DATA document       TYPE REF TO if_ixml_document.

 

ixml           = cl_ixml=>create( ).
stream_factory = ixml->create_stream_factory( ).
document       = ixml->create_document( ).

DATA(ixml)           = cl_ixml=>create( ).
DATA(stream_factory) = ixml->create_stream_factory( ).
DATA(document)       = ixml->create_document( ).

FIELD-SYMBOL:<LFS_TAB> LIKE LINE OF ITAB.

LOOP AT itab ASSIGNING <LFS_TAB>.

...
ENDLOOP.

LOOP AT ITAB ASSIGNING FIELD-SYMBOL(<LFS_TAB>).

…

ENDLOOP.

READ TABLE itab assigning field-symbol(<line2>) ....