ALV出报表的时候,调用REUSE_ALV_GRID_DISPLAY时,有个参数,I_CALLBACK_USER_COMMAND

这个参数如何设置?实现什么功能?
2024-11-30 18:12:07
推荐回答(1个)
回答1:

我想你是要放一个ALV table在界面上。
1.在界面上放一个view container。
2.在component usage 标签下,声明SALV_WD_TABLE 的 usage。
3.到相应的window中把ALV usage的interview view embed 到view container 中。
4.在view 的init method中config alv table,例如:
METHOD wddoinit .

* create an instance of ALV component
DATA:
lr_salv_wd_table_usage TYPE REF TO if_wd_component_usage.

lr_salv_wd_table_usage = wd_this->wd_cpuse_alv( ).
IF lr_salv_wd_table_usage->has_active_component( ) IS INITIAL.
lr_salv_wd_table_usage->create_component( ).
ENDIF.

* get ALV component
DATA:
lr_salv_wd_table TYPE REF TO iwci_salv_wd_table.

lr_salv_wd_table = wd_this->wd_cpifc_alv( ).
wd_this->alv_config_table = lr_salv_wd_table->get_model( ).

* set visible row count
DATA:
lr_table_settings TYPE REF TO if_salv_wd_table_settings.

lr_table_settings ?= wd_this->alv_config_table.
lr_table_settings->set_visible_row_count( '3' ).

* hide column CURR_ISO
DATA:
lr_column_settings TYPE REF TO if_salv_wd_column_settings,
lr_column TYPE REF TO cl_salv_wd_column.

lr_column_settings ?= wd_this->alv_config_table.
lr_column = lr_column_settings->get_column( 'CURR_ISO' ).
lr_column->set_visible( if_wdl_core=>visibility_none ).

ENDMETHOD.

5. 在你需要的地方将数据load起来,然后绑定到context node上。

注意: 需要在ALV component usage 和 数据所在的controller中间做context mapping,那样才能显示数据。

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