GRID方式ALV导出数据到本地丢掉最后一位的问题

这是SAP的一个Bug，FM方式ALV Grid和Class ALV Grid都会出现，但是ALV List好像没有这个BUG。

 

在以下几个条件满足的时候就会出现这个问题：

1.字段对应的域Convers. routine = ALPHA，也就是有前导零的字段，比如供应商号、商品号、客户号等。

2.做ALV Fieldcat的时候，没有指定参考表和参考字段。

3.列的表头文本(seltext_s等)比实际显示的数据短。

 

所以解决问题的时候从2、3两点下手即可。

 

 TYPE-POOLS: slis.
 DATA: gd_fieldcat TYPE slis_t_fieldcat_alv.
 DATA: sla TYPE slis_layout_alv ,
       i_repid LIKE sy-repid ,
       ls_fieldcat TYPE slis_fieldcat_alv.
 DATA: BEGIN OF itab OCCURS ,
         lifnr LIKE lfa1-lifnr ,
         kunnr LIKE kna1-kunnr ,
         matnr LIKE mara-matnr ,
         bukrs LIKE bsik-bukrs ,
       END OF itab.

 START-OF-SELECTION.
   itab-lifnr = ''.
   itab-kunnr = ''.
   itab-bukrs = 'ZB01'.
   itab-matnr = ''.
   APPEND itab.

   CLEAR ls_fieldcat .
   ls_fieldcat-fieldname     =  'LIFNR'.
   ls_fieldcat-seltext_s     =  'LI'.
   ls_fieldcat-seltext_l     =  'LILI'.
   ls_fieldcat-seltext_m     =  'LILILI'.
   ls_fieldcat-ref_fieldname = 'LIFNR'.  "|注释
   ls_fieldcat-ref_tabname   = 'LFA1'.   "|
   ls_fieldcat-ddictxt       = 'S'.
   APPEND ls_fieldcat TO gd_fieldcat .

   CLEAR ls_fieldcat .
   ls_fieldcat-fieldname     =  'KUNNR'.
   ls_fieldcat-seltext_s     =  'KU'.
   ls_fieldcat-ref_fieldname = 'KUNNR'.  "|注释
   ls_fieldcat-ref_tabname   = 'KNA1'.   "|
   APPEND ls_fieldcat TO gd_fieldcat .

   CLEAR ls_fieldcat .
   ls_fieldcat-fieldname     =  'BUKRS'.
   ls_fieldcat-seltext_s     =  'BU'.
   APPEND ls_fieldcat TO gd_fieldcat .

   CLEAR ls_fieldcat .
   ls_fieldcat-fieldname     =  'MATNR'.
   ls_fieldcat-seltext_s     =  'MAT'.
   ls_fieldcat-ref_fieldname = 'MATNR'.  "|注释
   ls_fieldcat-ref_tabname   = 'MAKT'.   "|
   APPEND ls_fieldcat TO gd_fieldcat .

   i_repid = sy-repid.
   CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
     EXPORTING
       i_callback_program      = i_repid
       it_fieldcat             = gd_fieldcat[]
       i_save                  = 'A'
       is_layout               = sla
       i_callback_user_command = 'USER_COMMAND'
     TABLES
       t_outtab                = itab
     EXCEPTIONS
       program_error           =
       OTHERS                  = .