ALV中调用Excel, 丢掉前面的0问题解决
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ALV中调用Excel, 丢掉前面的0问题解决
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Bob 發(fā)表于 ABAP 分類，標簽: ALV, Excel
在sdn中看到有人問這個問題, 于是做個簡單的例子來說明如何避免, 或者說解決這個問題.
*&---------------------------------------------------------------------*??? *&?Report??ZALV_INPLACE??? *&??? *&---------------------------------------------------------------------*??? *&??? *&??? *&---------------------------------------------------------------------*??? REPORT??zalv_inplace.??? *&---------------------------------------------------------------------*??? *?????TABLES??? *&---------------------------------------------------------------------*??? TABLES:vbak.??? *&---------------------------------------------------------------------*??? *-->TYPE?DEFINITION??? *&---------------------------------------------------------------------*??? TYPES:?BEGIN?OF?ty_tab.??? INCLUDE?TYPE?vbak.??? TYPES:END?OF?ty_tab.??? *&---------------------------------------------------------------------*??? *?????SELECTION-SCREEN??? *&---------------------------------------------------------------------*??? SELECTION-SCREEN:?BEGIN?OF?BLOCK?b01?WITH?FRAME?TITLE?text-b02.??? SELECT-OPTIONS?s_vbeln?for?vbak-vbeln.??? SELECTION-SCREEN:?END?OF?BLOCK?b01.??? *&---------------------------------------------------------------------*??? *-->CLASS?DEFINITION?DEFERRED??? *&---------------------------------------------------------------------*??? CLASS?lcl_layout?DEFINITION?DEFERRED.??? CLASS?lcl_fieldcat????DEFINITION?DEFERRED.??? CLASS?lcl_data????????DEFINITION?DEFERRED.??? CLASS?lcl_event???????DEFINITION?DEFERRED.??? *&---------------------------------------------------------------------*??? *-->?Global?data?definitions?for?ALV??? *&---------------------------------------------------------------------*??? *---?ALV?Grid?instance?reference??? DATA?ref_alv?TYPE?REF?TO?cl_gui_alv_grid?.??? *---?Custom?container?instance?reference??? DATA?ref_con?TYPE?REF?TO?cl_gui_custom_container?.??? *--Data?for?screen?command??? DATA:??? ??save_ok?LIKE?sy-ucomm,??? ??ok_code?LIKE?sy-ucomm.??? DATA:?var?TYPE?disvariant.??? *&---------------------------------------------------------------------*??? *-->CLASS?DATA?DEFINITION??? *&---------------------------------------------------------------------*??? DATA??ref_layout?TYPE?REF?TO?lcl_layout.??? DATA??ref_fieldcat?TYPE?REF?TO?lcl_fieldcat.??? DATA??ref_data?????TYPE?REF?TO?lcl_data.??? DATA??ref_event????TYPE?REF?TO?lcl_event.??? DATA:?itab?TYPE?TABLE?OF?vbak.??? *&---------------------------------------------------------------------*??? *-->CLASS?DEFINITION??? *&---------------------------------------------------------------------*??? CLASS?lcl_layout?DEFINITION.??? PUBLIC?SECTION.??? DATA:?s_layout?TYPE?lvc_s_layo?.??? METHODS:?prepare_layout.??? ENDCLASS.????????????????????"lcl_layout?DEFINITION??? *----------------------------------------------------------------------*??? *???????CLASS?lcl_fieldcat?DEFINITION??? *----------------------------------------------------------------------*??? *??? *----------------------------------------------------------------------*??? CLASS?lcl_fieldcat?DEFINITION.??? PUBLIC?SECTION.??? DATA:?it_fieldcat?TYPE?lvc_t_fcat.??? METHODS:?prepare_fieldcat.??? PRIVATE?SECTION.??? DATA:?s_fieldcat?TYPE?lvc_s_fcat.??? ENDCLASS.????????????????????"lcl_fieldcat?DEFINITION??? *----------------------------------------------------------------------*??? *???????CLASS?lcl_data?DEFINITION??? *----------------------------------------------------------------------*??? *??? *----------------------------------------------------------------------*??? CLASS?lcl_data?DEFINITION.??? PUBLIC?SECTION.??? DATA:itab?TYPE?TABLE?OF?ty_tab.??? data:itab_del?type?TABLE?OF?ty_tab.??? TYPES:?ttab?TYPE?TABLE?OF?ty_tab.??? METHODS:?prepare_data.??? *????METHODS:?update_color?CHANGING?itab?TYPE?ttab.??? PRIVATE?SECTION.??? DATA:?rs_data?TYPE?REF?TO?ty_tab.??? ENDCLASS.????????????????????"lcl_data?DEFINITION??? *----------------------------------------------------------------------*??? *???????CLASS?lcl_event?DEFINITION??? *----------------------------------------------------------------------*??? *??? *----------------------------------------------------------------------*??? CLASS?lcl_event?DEFINITION.??? PUBLIC?SECTION.??? METHODS:?handle_before_user_command?FOR?EVENT?before_user_command??? OF?cl_gui_alv_grid?IMPORTING?e_ucomm.??? METHODS:handle_user_command??? FOR?EVENT?user_command?OF?cl_gui_alv_grid??? IMPORTING?e_ucomm?sender.??? ENDCLASS.????????????????????"lcl_event?DEFINITION??? *----------------------------------------------------------------------*??? *???????CLASS?lcl_event?IMPLEMENTATION??? *----------------------------------------------------------------------*??? *??? *----------------------------------------------------------------------*??? CLASS?lcl_event?IMPLEMENTATION.??? METHOD?handle_before_user_command.??? CASE?e_ucomm.??? WHEN?'&VEXCEL'.??? BREAK-POINT.??? ENDCASE.??? ENDMETHOD.????????????????????"handle_data_changed_finished??? METHOD?handle_user_command.??? ENDMETHOD.????????????????????"handle_data_changed_finished??? ENDCLASS.????????????????????"lcl_event?IMPLEMENTATION??? *&---------------------------------------------------------------------*??? *-->CLASS?IMPLEMENTATOIN??? *&---------------------------------------------------------------------*??? CLASS?lcl_layout?IMPLEMENTATION.??? METHOD?prepare_layout.??? ????s_layout-smalltitle?='X'?.??? ????s_layout-grid_title?='SIH?Project?Development?List'(099).??? ????s_layout-sel_mode?='A'?.??? ENDMETHOD.????????????????????"prepare_layout??? ENDCLASS.????????????????????"lcl_layout?IMPLEMENTATION??? *----------------------------------------------------------------------*??? *???????CLASS?lcl_fieldcat?IMPLEMENTATION??? *----------------------------------------------------------------------*??? *??? *----------------------------------------------------------------------*??? CLASS?lcl_fieldcat?IMPLEMENTATION.??? METHOD?prepare_fieldcat.??? FIELD-SYMBOLS:?<fcat>?TYPE?lvc_s_fcat.??? CALL?FUNCTION?'LVC_FIELDCATALOG_MERGE'??? EXPORTING??? ????????i_structure_name???????=?'VBAK'??? CHANGING??? ????????ct_fieldcat????????????=?it_fieldcat??? EXCEPTIONS??? ????????inconsistent_interface?=?1??? ????????program_error??????????=?2??? OTHERS?????????????????=?3.??? loop?at?it_fieldcat?ASSIGNING?<fcat>.??? case?<fcat>-fieldname.??? when?'VBELN'.??? *????????????<fcat>-??? endcase.??? endloop.??? ENDMETHOD.????????????????????"prepare_fieldcat??? ENDCLASS.????????????????????"lcl_fieldcat?IMPLEMENTATION??? *----------------------------------------------------------------------*??? *???????CLASS?lcl_data?IMPLEMENTATION??? *----------------------------------------------------------------------*??? *??? *----------------------------------------------------------------------*??? CLASS?lcl_data?IMPLEMENTATION.??? METHOD?prepare_data.??? *--->Get?data??? SELECT?*?FROM?VBAK?INTO?CORRESPONDING?FIELDS?OF?TABLE?itab??? WHERE?VBELN?IN?S_VBELN.??? ENDMETHOD.????????????????????"prepare_data??? "update_color??? ENDCLASS.????????????????????"lcl_data?IMPLEMENTATION??? START-OF-SELECTION.??? *?Call?alv?grid?screen??? CALL?SCREEN?9000.??? *&---------------------------------------------------------------------*??? *&??????Module??INIT_SCREEN??OUTPUT??? *&---------------------------------------------------------------------*??? MODULE?init_screen?OUTPUT.??? SET?PF-STATUS?'STAT'.??? PERFORM?frm_display_alv.??? ENDMODULE.?????????????????"?INIT_SCREEN??OUTPUT??? *&---------------------------------------------------------------------*??? *&??????Module??USER_COMMAND??INPUT??? *&---------------------------------------------------------------------*??? MODULE?user_command?INPUT.??? data:?la?type?c.??? ??save_ok?=?ok_code.??? CASE?save_ok.??? WHEN?'BACK'?OR?'EXIT'?OR?'CANC'.??? LEAVE?to?SCREEN?0.??? ENDCASE.??? ENDMODULE.?????????????????"?USER_COMMAND_9000??INPUT??? *&---------------------------------------------------------------------*??? *&??????Form??frm_display_alv??? *&---------------------------------------------------------------------*??? FORM?frm_display_alv?.??? *??Local?data?definition??? DATA:?var?TYPE?disvariant.??"Variant??? IF?ref_alv?IS?INITIAL.??? *-->Create?customer?container??? CREATE?OBJECT?ref_con??? EXPORTING??? ????????container_name?=?'ALV_CON'.??? *-->Create?alv?grid??? CREATE?OBJECT?ref_alv??? EXPORTING??? ????????i_parent?=?ref_con.??? *-->Create?fieldcatlog?for?alv??? CREATE?OBJECT?ref_fieldcat.??? CALL?METHOD?ref_fieldcat->prepare_fieldcat.??? *-->Set?layout?property??? CREATE?OBJECT?ref_layout.??? CALL?METHOD?ref_layout->prepare_layout.??? *-->Get?data.??? CREATE?OBJECT?ref_data.??? CALL?METHOD?ref_data->prepare_data.??? *-->Register?event??? CREATE?OBJECT?ref_event.??? SET?HANDLER?ref_event->handle_before_user_command?FOR?ref_alv.??? SET?HANDLER?ref_event->handle_user_command?FOR?ref_alv.??? *?Register?edit?events??? CALL?METHOD?ref_alv->register_edit_event??? EXPORTING??? ????????i_event_id?=?cl_gui_alv_grid=>mc_evt_enter.??? *-->Display?data??? ????var-report??????=?sy-repid.??? CALL?METHOD?ref_alv->set_table_for_first_display??? EXPORTING??? ????????is_variant????????????????????=?var??? ????????i_save????????????????????????=?'A'??? ????????i_default?????????????????????=?'X'??? ????????is_layout?????????????????????=?ref_layout->s_layout??? CHANGING??? ????????it_outtab?????????????????????=?ref_data->itab??? ????????it_fieldcatalog???????????????=?ref_fieldcat->it_fieldcat??? EXCEPTIONS??? ????????invalid_parameter_combination?=?1??? ????????program_error?????????????????=?2??? ????????too_many_lines????????????????=?3??? OTHERS????????????????????????=?4.??? ELSE.??? *-->Refresh?display??? CALL?METHOD?ref_alv->refresh_table_display.??? ENDIF.??? ENDFORM.????????????????????"?frm_display_alv?
2. 問題現(xiàn)象重現(xiàn)
? 執(zhí)行上面的程序,效果如下:
3. fieldcat設定
設置如下就可以顯示前導零的問題
when?'VBELN'.??? ????????????<fcat>-NO_CONVEXT?=?'X'.??
when 'VBELN'. <fcat>-NO_CONVEXT = 'X'.
4. 問題解決效果
在sdn中看到有人問這個問題, 于是做個簡單的例子來說明如何避免, 或者說解決這個問題.
1. 寫個小程序, 用alv來顯示表vbak的內容.
? 執(zhí)行上面的程序,效果如下:
3. fieldcat設定
設置如下就可以顯示前導零的問題
4. 問題解決效果
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