程序调用 与 内存读写

 SET PARAMETER ID 'AUN' FIELD IT_VBAK-VBELN.  CALL TRANSACTION 'VA03' AND SKIP FIRST SCREEN.

 SET PARAMETER ID 'VL' FIELD p_vbeln.  SUBMIT xxx  WITH p_vbeln EQ p_vbeln AND RETURN.

** MEMORY

 export a = str to memory id 'M1'.

import a = str from memory id 'M1'.

free memory id 'm1'.