ABAP 负号前置方法汇总 开发过程中有这样的一个需求，要求指定数字栏位负号前置：方法一：PERFORM FRM_MOVE_DATA_MINUS CHANGING L_CHAR20. ” 负号前置*&———————————————————————**&      Form  FRM_MOVE_DATA_MINUS*&———————————————————————**       负号前置*———————————————————————-*FORM FRM_MOVE_DATA_MINUS CHANGING P_VALUE.DATA : L_NUM(31),L_TMP.DATA : L_LEN TYPE I.L_NUM = P_VALUE.L_LEN = STRLEN( L_NUM ).SEARCH L_NUM FOR ‘-’ STARTING AT L_LEN.IF SY-SUBRC = 0.SPLIT L_NUM AT ‘-’ INTO L_NUM L_TMP.SHIFT L_NUM LEFT DELETING LEADING SPACE.CONCATENATE ‘-’ L_NUM INTO P_VALUE.SHIFT P_VALUE RIGHT DELETING TRAILING SPACE.ENDIF.ENDFORM.                      ” FRM_MOVE_DATA_MINUS方法二：IF wa_mbew_out-qty00 < 0.CALL FUNCTION ‘CLOI_PUT_SIGN_IN_FRONT’CHANGINGvalue = wa_mbew_out-qty00.ENDIF.