When we call the BAPI , Example to create or modify a meterial data . Often face dozens or even hundreds of fields corresponding to "BAPIUPDATE".The following function codes can be done will not emty field of the same name "BAPIUPDATE" fill to "X".
CODE
FUNCTION ZBAPI_UPDATEFLAG_SET_X. *"---------------------------------------------------------------------- *"*"本地接口： *" IMPORTING *" VALUE(INPUT) *" VALUE(FLAG) DEFAULT 'X' *" EXPORTING *" REFERENCE(OUTPUT) *" EXCEPTIONS *" PARAMETER_NOT_STRUCTURE *"---------------------------------------------------------------------- *" Author : 高巍巍 *"---------------------------------------------------------------------- TYPE-POOLS: sydes. DATA : lr_structure TYPE REF TO cl_abap_structdescr"cl_abap_typedescr , ls_component TYPE abap_compdescr . FIELD-SYMBOLS : <fs_val> , <fs_flg> . lr_structure ?= cl_abap_typedescr=>describe_by_data( output ). CHECK lr_structure IS NOT INITIAL. IF lr_structure->kind NE cl_abap_typedescr=>kind_struct. RAISE parameter_not_structure. ENDIF. LOOP AT lr_structure->components INTO ls_component . CHECK ls_component-type_kind = 'C' AND ls_component-length = 1. ASSIGN COMPONENT ls_component-name OF STRUCTURE input TO <fs_val>. CHECK <fs_val> IS ASSIGNED. ASSIGN COMPONENT ls_component-name OF STRUCTURE output TO <fs_flg>. CHECK <fs_flg> IS ASSIGNED. IF <fs_val> IS NOT INITIAL AND <fs_flg> IS INITIAL. <fs_flg> = flag. ENDIF. UNASSIGN : <fs_val>,<fs_flg>. ENDLOOP. ENDFUNCTION.
Example :
DATA : LS_CLIENTDATA LIKE BAPI_MARA , LS_CLIENTDATAX LIKE BAPI_MARAX . CALL FUNCTION 'ZBAPI_UPDATEFLAG_SET_X' EXPORTING INPUT = LS_CLIENTDATA IMPORTING OUTPUT = LS_CLIENTDATAX EXCEPTIONS PARAMETER_NOT_STRUCTURE = 1 OTHERS = 2.