FUNCTION CONVERSION_EXIT_ZSIGN_OUTPUT.
*"----------------------------------------------------------------------
*"*"本地接口：
*"  IMPORTING
*"     REFERENCE(INPUT)
*"  EXPORTING
*"     REFERENCE(OUTPUT)
*"----------------------------------------------------------------------DATA:LV_OUTPUT TYPE CHAR30.IF INPUT  >= 0.WRITE ABS( INPUT ) TO LV_OUTPUT.ELSE.WRITE ABS( INPUT ) TO LV_OUTPUT.CONCATENATE '-' LV_OUTPUT INTO LV_OUTPUT.ENDIF.CONDENSE LV_OUTPUT NO-GAPS.OUTPUT = LV_OUTPUT.ENDFUNCTION.

使用

效果