CALL FUNCTION 'UNIT_CONVERSION_SIMPLE'
          EXPORTING
            input                = wa_items-brgew
            round_sign           = 'X'
            unit_in              = wa_items-gewei
            unit_out             = 'TO'
          IMPORTING
            output               = wa_items-brgew
          EXCEPTIONS
            conversion_not_found = 01
            division_by_zero     = 02
            input_invalid        = 03.

**每PC等于多少KG

CALL FUNCTION 'MD_CONVERT_MATERIAL_UNIT'

EXPORTING

i_matnr              = '001100000000000005'

i_in_me              = 'PC'

i_out_me             = 'KG'

i_menge              = 1

IMPORTING

e_menge              = menge

EXCEPTIONS

error_in_application = 1

error                = 2

OTHERS               = 3.