ABAP中对象引用

*----------------------------------------------------------------------*
*       CLASS c1 DEFINITION
*----------------------------------------------------------------------*
*
*----------------------------------------------------------------------*
CLASS c1 DEFINITION.
  PUBLIC SECTION.
    DATA:i VALUE 1.
ENDCLASS.                    "c1 DEFINITION
*----------------------------------------------------------------------*
*       CLASS c1 IMPLEMENTATION
*----------------------------------------------------------------------*
*
*----------------------------------------------------------------------*
CLASS c1 IMPLEMENTATION.
ENDCLASS.                    "c1 IMPLEMENTATION

DATA:obj TYPE REF TO c1.
CREATE OBJECT obj."创建对象
DATA:oref LIKE REF TO obj."oref即为对象引用，即对象指针，指向某个对象，存储对象地址
GET REFERENCE OF obj INTO oref."获取对象地址
WRITE:oref->*->i.