alv edit save succ

最新推荐文章于 2024-08-02 15:59:09 发布

转载最新推荐文章于 2024-08-02 15:59:09 发布 · 212 阅读

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#alv #edit #save #sucess

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本文介绍了一个使用 ABAP 编写的程序，该程序能够动态地创建 ALV (Application List Viewer) 报表。通过用户在选择屏幕输入的表名和行数限制，程序将创建一个内部表并填充数据，然后使用 REUSE_ALV_LIST_DISPLAY 函数模块显示 ALV 报表。此外，还包含了自定义 PF-Status 设置、用户命令处理以及数据编辑和保存功能。

&---------------------------------------------------------------------
*& Report Z_ALV_TEST_017
*&
&---------------------------------------------------------------------
*&
*&
&---------------------------------------------------------------------

REPORT Z_ALV_TEST_020 MESSAGE-ID OO.
*******************************************************************

TYPE-POOLS *
*******************************************************************
TYPE-POOLS: slis.
*******************************************************************
INTERNAL TABLES/WORK AREAS/VARIABLES *
*******************************************************************
DATA: i_fieldcat TYPE slis_t_fieldcat_alv,
i_index TYPE STANDARD TABLE OF i WITH HEADER LINE,
w_field TYPE slis_fieldcat_alv,
p_table LIKE dd02l-tabname,
dy_table TYPE REF TO data,
dy_tab TYPE REF TO data,
dy_line TYPE REF TO data.
*******************************************************************
FIELD-SYMBOLS *
*******************************************************************
FIELD-SYMBOLS: <dyn_table> TYPE STANDARD TABLE,
<dyn_wa> TYPE ANY,
<dyn_field> TYPE ANY,
<dyn_tab_temp> TYPE STANDARD TABLE.
*******************************************************************
SELECTION SCREEN *
*******************************************************************
PARAMETERS: tabname(30) TYPE c,
lines(5) TYPE n.
*******************************************************************
START-OF-SELECTION *
*******************************************************************
START-OF-SELECTION.
Storing table name
p_table = tabname.
Create internal table dynamically with the stucture of table name
entered in the selection screen
CREATE DATA dy_table TYPE STANDARD TABLE OF (p_table).
ASSIGN dy_table->* TO <dyn_table>.
IF sy-subrc <> 0.
MESSAGE i000(z_zzz_ca_messages) WITH ’ No table found’.
LEAVE TO LIST-PROCESSING.
ENDIF.
Create workarea for the table
CREATE DATA dy_line LIKE LINE OF <dyn_table>.
ASSIGN dy_line->* TO <dyn_wa>.
Create another temp. table
CREATE DATA dy_tab TYPE STANDARD TABLE OF (p_table).
ASSIGN dy_tab->* TO <dyn_tab_temp>.
SORT i_fieldcat BY col_pos.
Select data from table
SELECT * FROM (p_table)
INTO TABLE <dyn_table>
UP TO lines ROWS.
REFRESH <dyn_tab_temp>.
Display report
CALL FUNCTION ‘REUSE_ALV_LIST_DISPLAY’
EXPORTING
i_callback_program = sy-repid
i_structure_name = p_table
i_callback_user_command = ‘USER_COMMAND’
i_callback_pf_status_set = ‘SET_PF_STATUS’
TABLES
t_outtab = <dyn_table>
EXCEPTIONS
program_error = 1
OTHERS = 2.
IF sy-subrc <> 0.
ENDIF.
&-----------------------------------------------------------------
*& Form SET_PF_STATUS
&-----------------------------------------------------------------
Setting custom PF-Status
------------------------------------------------------------------
–>RT_EXTAB Excluding table
------------------------------------------------------------------
FORM set_pf_status USING rt_extab TYPE slis_t_extab.
SET PF-STATUS ‘Z_STANDARD’.
ENDFORM. "SET_PF_STATUS
&----------------------------------------------------------------
*& Form user_command
&-----------------------------------------------------------------
Handling custom function codes
------------------------------------------------------------------
–>R_UCOMM Function code value
–>RS_SELFIELD Info. of cursor position in ALV
------------------------------------------------------------------
FORM user_command USING r_ucomm LIKE sy-ucomm
rs_selfield TYPE slis_selfield.
Local data declaration
DATA: li_tab TYPE REF TO data,
l_line TYPE REF TO data.
Local field-symbols
FIELD-SYMBOLS:<l_tab> TYPE table,
<l_wa> TYPE ANY.
Create table
CREATE DATA li_tab TYPE STANDARD TABLE OF (p_table).
ASSIGN li_tab->* TO <l_tab>.
Create workarea
CREATE DATA l_line LIKE LINE OF <l_tab>.
ASSIGN l_line->* TO <l_wa>.
CASE r_ucomm.
When a record is selected
WHEN ‘/&IC1’.
Read the selected record
READ TABLE <dyn_table> ASSIGNING <dyn_wa> INDEX
rs_selfield-tabindex.
IF sy-subrc = 0.
Store the record in an internal table
APPEND <dyn_wa> TO <l_tab>.
Fetch the field catalog info
CALL FUNCTION ‘REUSE_ALV_FIELDCATALOG_MERGE’
EXPORTING
i_program_name = ‘Z_DEMO_PDF_JG’
i_structure_name = p_table
CHANGING
ct_fieldcat = i_fieldcat
EXCEPTIONS
inconsistent_interface = 1
program_error = 2
OTHERS = 3.
IF sy-subrc = 0.
Make all the fields input enabled except key fields
w_field-input = ‘X’.
MODIFY i_fieldcat FROM w_field TRANSPORTING input
WHERE key IS INITIAL.
ENDIF.
Display the record for editing purpose
CALL FUNCTION ‘REUSE_ALV_LIST_DISPLAY’
EXPORTING
i_callback_program = sy-repid
i_structure_name = p_table
it_fieldcat = i_fieldcat
i_screen_start_column = 10
i_screen_start_line = 15
i_screen_end_column = 200
i_screen_end_line = 20
TABLES
t_outtab = <l_tab>
EXCEPTIONS
program_error = 1
OTHERS = 2.
IF sy-subrc = 0.
Read the modified data
READ TABLE <l_tab> INDEX 1 INTO <l_wa>.
If the record is changed then track its index no.
and populate it in an internal table for future
action
IF sy-subrc = 0 AND <dyn_wa> <> <l_wa>.
<dyn_wa> = <l_wa>.
i_index = rs_selfield-tabindex.
APPEND i_index.
ENDIF.
ENDIF.
ENDIF.
When save button is pressed
WHEN ‘/&DATA_SAVE’.
Sort the index table
SORT i_index.
Delete all duplicate records
DELETE ADJACENT DUPLICATES FROM i_index.
LOOP AT i_index.
Find out the changes in the internal table
and populate these changes in another internal table
READ TABLE <dyn_table> ASSIGNING <dyn_wa> INDEX i_index.
IF sy-subrc = 0.
APPEND <dyn_wa> TO <dyn_tab_temp>.
ENDIF.
ENDLOOP.
Lock the table
CALL FUNCTION ‘ENQUEUE_E_TABLE’
EXPORTING
mode_rstable = ‘E’
tabname = p_table
EXCEPTIONS
foreign_lock = 1
system_failure = 2
OTHERS = 3.
IF sy-subrc = 0.
Modify the database table with these changes
MODIFY (p_table) FROM TABLE <dyn_tab_temp>.
REFRESH <dyn_tab_temp>.
Unlock the table
CALL FUNCTION ‘DEQUEUE_E_TABLE’
EXPORTING
mode_rstable = ‘E’
tabname = p_table.
ENDIF.
ENDCASE.
rs_selfield-refresh = ‘X’.
ENDFORM. "user_command