ABAP - SALV教程08 列设置热点及绑定点击事件-编程知识

ABAP - SALV教程08 列设置热点及绑定点击事件

实现思路：将列设置成热点，热点列是可点击的，再给SALV实例对象注册点击事件即可，一般作用于点击单号跳转到前台等功能

 "设置热点方法METHODS:set_hotspot CHANGING co_alv TYPE REF TO cl_salv_table...."事件处理方法METHODS:on_link_click FOR EVENT link_click OF cl_salv_events_tableIMPORTINGrowcolumn.METHOD set_hotspot.DATA lo_col TYPE REF TO cl_salv_column_table."获取所有列对象的引用DATA(lo_cols) = co_alv->get_columns( ).TRY."获取群体列对象中VBELN列转换成CL_SALV_COLUMN_TABLE类型lo_col ?= lo_cols->get_column( 'VBELN' )."调用方法将列设置成热点lo_col->set_cell_type( EXPORTING value = if_salv_c_cell_type=>hotspot ).CATCH cx_salv_data_error .ENDTRY."获取SALV事件对象的引用DATA(lo_events) = co_alv->get_event( )." 设定EVENT HANDLERSET HANDLER me->on_link_click FOR lo_events.ENDMETHOD.METHOD on_link_click.READ TABLE me->mt_data INTO DATA(lw_data) INDEX row.IF sy-subrc = 0.MESSAGE '您点击了第' && row &&'行的' && lw_data-vbeln TYPE 'I'.ENDIF.ENDMETHOD.

实现效果

完整代码

CLASS lcl_model DEFINITION.PUBLIC SECTION.TYPES:BEGIN OF TY_dATA,vbeln TYPE vbak-vbeln,erdat TYPE erdat,erzet TYPE erzet,ernam TYPE ernam,auart TYPE auart.TYPES:END  OF ty_data.DATA mt_data TYPE TABLE OF ty_data.DATA mo_salv TYPE REF TO cl_salv_table."获取数据的方法METHODS get_data."展示SALV的方法METHODS alv_show.PRIVATE SECTION.METHODS:set_status  CHANGING co_alv TYPE REF TO cl_salv_table.METHODS:set_layout  CHANGING co_alv TYPE REF TO cl_salv_table."设置热点方法METHODS:set_hotspot CHANGING co_alv TYPE REF TO cl_salv_table."事件处理方法METHODS:on_link_click FOR EVENT link_click OF cl_salv_events_tableIMPORTINGrowcolumn.ENDCLASS.CLASS lcl_model IMPLEMENTATION.METHOD get_data.SELECT vbeln erdat erzet ernam auartINTO TABLE mt_dataFROM vbakUP TO 20 ROWS.ENDMETHOD.METHOD alv_show.DATA: lx_msg TYPE REF TO cx_salv_msg.TRY.cl_salv_table=>factory(IMPORTINGr_salv_table = mo_salvCHANGINGt_table      = mt_data ).CATCH cx_salv_msg INTO lx_msg.ENDTRY."要生成SALV实例才能执行一下方法me->set_status( CHANGING co_alv = mo_salv ).me->set_layout( CHANGING co_alv = mo_salv ).me->set_hotspot( CHANGING co_alv = mo_salv ).mo_salv->display( ).ENDMETHOD.METHOD set_status.DATA(lo_functions) = co_alv->get_functions( )."cl_salv_functions_list类型的实例对象的添加状态方法lo_functions->set_all( abap_true )."lo_functions->set_default( abap_true ).ENDMETHOD.METHOD set_layout.DATA: lo_display TYPE REF TO cl_salv_display_settings.
*   取得显示对象lo_display = co_alv->get_display_settings( ).*   设置ZEBRA显示lo_display->set_striped_pattern( 'X' ).
*   设置Titlelo_display->set_list_header( '销售订单报表' ).ENDMETHOD.METHOD set_hotspot.DATA lo_col TYPE REF TO cl_salv_column_table."获取所有列对象的引用DATA(lo_cols) = co_alv->get_columns( ).TRY."获取群体列对象中VBELN列转换成CL_SALV_COLUMN_TABLE类型lo_col ?= lo_cols->get_column( 'VBELN' )."调用方法将列设置成热点lo_col->set_cell_type( EXPORTING value = if_salv_c_cell_type=>hotspot ).CATCH cx_salv_data_error .ENDTRY."获取SALV事件对象的引用DATA(lo_events) = co_alv->get_event( )." 设定EVENT HANDLERSET HANDLER me->on_link_click FOR lo_events.ENDMETHOD.METHOD on_link_click.READ TABLE me->mt_data INTO DATA(lw_data) INDEX row.IF sy-subrc = 0.MESSAGE '您点击了第' && row &&'行的' && lw_data-vbeln TYPE 'I'.ENDIF.ENDMETHOD.
ENDCLASS.START-OF-SELECTION.DATA(lo_model) = NEW lcl_model( ).lo_model->get_data( ).lo_model->alv_show( ).

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