ME22N增强/CL_IM_ME_PROCESS_PO_CUST

process_item
importing im_item tyep ref to IF_PURCHASE_ORDER_ITEM_MM.
DATA: obj_header TYPE REF TO if_purchase_order_mm,
ls_header TYPE mepoheader,
ls_item TYPE mepoitem.

obj_header = im_item->get_header( ).
ls_header = obj_header->get_data( ).
ls_item = im_item->get_data( ).

check-post
importing im_header type ref to IF_PURCHASE_ORDER_MM
DATA:ls_header TYPE mepoheader.
obj_item TYPE purchase_order_items.
obj_line TYPE purchase_order_item.
ls_item TYPE mepoitem.

ls_header = im_header->get_data( ).
obj_item = im_header->get_items( ).
loop obj_item into obj_line
ls_item = obj_line-item->get_data( ).
endloop.