调用CALL TRANSACTION的三种方法
1.使用屏幕传入
              REFRESH BDCDATA.
              CLEAR   BDCDATA.
              BDCDATA-PROGRAM = 'SAPLCSDI'.      "Programm St點kliste
              BDCDATA-DYNPRO   = '0100'.          "Dynpro
              BDCDATA-DYNBEGIN = 'X'.             "Sofort starten
              APPEND BDCDATA.
              CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'   "HW 81070
                   EXPORTING
                        INPUT   = H_MATNR
                   IMPORTING
                        OUTPUT = H_MATNR
                   EXCEPTIONS