abap 去掉和追加前面的0

**********************去掉0
  CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
    EXPORTING
      input  = p_out
    IMPORTING
      output = p_out.

 

*****************追加0

  CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'
    EXPORTING
      input  = ZQMNUM
    IMPORTING
      output = ZQMNUM
    EXCEPTIONS
      OTHERS = 1.

 

 

*************按,分割字符串************

data: begin of zitab occurs 0,
  wl TYPE c,
  end of zitab.
data: begin of zitab1 occurs 0,
  gc TYPE c,
  end of zitab1.
data: begin of zitab2 occurs 0,
  wls like zitab-wl,
  gcs like zitab1-gc,
  end of zitab2.
split ZMATNR AT ',' INTO table zitab.
split ZQMAWERKS AT ',' INTO table zitab1.

DESCRIBE TABLE zitab LINES tnum.
 tnum = tnum + 1.
 DO tnum TIMES.

    READ TABLE zitab INTO zitab2-wls INDEX NUM.
    READ TABLE zitab1 INTO zitab2-gcs INDEX NUM.
    num = num + 1.
    append zitab2.

ENDDO.