[问题解决]ALV可输入状态下输入金额/数量字段小数位数提前的问题详解编程语言

REPORT ztest_alv_lvc_edit. 
 
TYPES:BEGIN OF gty_ekko, 
        ebeln TYPE ekko-ebeln, 
        menge TYPE ekpo-menge, 
        netwr TYPE ekpo-netwr, 
      END OF gty_ekko. 
DATA:git_ekko TYPE STANDARD TABLE OF gty_ekko, 
     gwa_ekko TYPE gty_ekko. 
 
DATA:git_fcat   TYPE lvc_t_fcat, 
     gwa_fcat   LIKE LINE OF git_fcat, 
     gwa_layout TYPE lvc_s_layo, 
     gwa_glay   TYPE lvc_s_glay. 
 
START-OF-SELECTION. 
 
  SELECT ebeln 
         menge 
         netwr 
    INTO CORRESPONDING FIELDS OF TABLE git_ekko 
    FROM ekpo 
   UP TO 10 ROWS. 
 
  PERFORM frm_set_catalog. 
 
  gwa_layout-zebra = 'X'. 
  gwa_layout-sel_mode = 'A'. 
  gwa_layout-cwidth_opt = 'X'. 
 
  CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY_LVC' 
    EXPORTING 
      i_callback_program = sy-repid 
      is_layout_lvc      = gwa_layout 
      it_fieldcat_lvc    = git_fcat 
    TABLES 
      t_outtab           = git_ekko[] 
    EXCEPTIONS 
      program_error      = 1 
      OTHERS             = 2. 
  IF sy-subrc = 0. 
 
  ENDIF. 
*&---------------------------------------------------------------------* 
*&      Form  FRM_SET_CATALOG 
*&---------------------------------------------------------------------* 
*       text 
*----------------------------------------------------------------------* 
*  -->  p1        text 
*  <--  p2        text 
*----------------------------------------------------------------------* 
FORM frm_set_catalog . 
 
  DATA:l_pos TYPE i VALUE 1. 
  CLEAR: l_pos. 
  l_pos = l_pos + 1. 
  gwa_fcat-coltext   = 'PO'. 
  gwa_fcat-scrtext_l = 'PO'. 
  gwa_fcat-scrtext_m = 'PO'. 
  gwa_fcat-scrtext_s = 'PO'. 
  gwa_fcat-fieldname = 'EBELN'. 
  gwa_fcat-col_pos = l_pos. 
*  gwa_fcat-edit    = 'X'. 
  gwa_fcat-outputlen = '10'. 
  APPEND gwa_fcat TO git_fcat. 
 
  l_pos = l_pos + 1. 
  gwa_fcat-coltext   = 'Qty'. 
  gwa_fcat-scrtext_l = 'Qty'. 
  gwa_fcat-scrtext_m = 'Qty'. 
  gwa_fcat-scrtext_s = 'Qty'. 
  gwa_fcat-fieldname = 'MENGE'. 
  gwa_fcat-datatype  = 'QUAN' .  "指定该字段为数量 
  gwa_fcat-inttype   = 'C' .     "指定该字段类型为C 
  gwa_fcat-edit    = 'X'. 
  gwa_fcat-col_pos = l_pos. 
  gwa_fcat-outputlen = '10'. 
  APPEND gwa_fcat TO git_fcat. 
  l_pos = l_pos + 1. 
  gwa_fcat-coltext   = ''. 
  gwa_fcat-scrtext_l = 'Price'. 
  gwa_fcat-scrtext_m = 'Price'. 
  gwa_fcat-scrtext_s = 'Price'. 
  gwa_fcat-fieldname = 'NETWR'. 
  gwa_fcat-datatype  = 'CURR' .  "指定该字段为金额 
  gwa_fcat-edit    = 'X'. 
  gwa_fcat-col_pos = l_pos. 
  gwa_fcat-outputlen = '10'. 
  APPEND gwa_fcat TO git_fcat. 
 
ENDFORM.