使用OVS

创建节点：

需要在组件上引用OVS组件WDR_OVS：引用后需要更改添加节点属性值如下：

布局如下：

在view中也添加ovs组件

新建事件方法：

ON_EVENT

代码如下：

METHOD on_event.
  TYPES:
  BEGIN OF lty_stru_input,
    carrid TYPE string,
    connid TYPE string,
    END OF lty_stru_input.
  TYPES: BEGIN OF lty_stru_list,
    carrid TYPE string,
    connid TYPE string,
    text TYPE string,
    END OF lty_stru_list.

  DATA: ls_search_input TYPE lty_stru_input,
        lt_select_list TYPE STANDARD TABLE OF lty_stru_list,
        ls_text TYPE wdr_name_value,
        lt_label_texts TYPE wdr_name_value_list,
        lt_column_texts TYPE wdr_name_value_list,
        lv_window_title TYPE string,
        lv_group_header TYPE string,
        lv_table_header TYPE string.
  FIELD-SYMBOLS: <ls_query_params> TYPE lty_stru_input,
                 <ls_selection> TYPE lty_stru_list.
  DATA:lw_carrid TYPE string,
        lw_connid TYPE string.
  CASE ovs_callback_object->phase_indicator.
    WHEN if_wd_ovs=>co_phase_0.
      ls_text-name = ‘CARRID‘.
      ls_text-value = ‘Search Field-Carrid‘.
      INSERT ls_text INTO TABLE lt_label_texts.
      ls_text-name = ‘CONNID‘.
      ls_text-value = ‘Search Field-Connid‘.
      INSERT ls_text INTO TABLE lt_label_texts.
      ls_text-name = ‘CARRID‘.
      ls_text-value = ‘Result-Carrid‘.
      INSERT ls_text INTO TABLE lt_column_texts.
      ls_text-name = ‘CONNID‘.
      ls_text-value = ‘Result-Connid‘.
      INSERT ls_text INTO TABLE lt_column_texts.
      ls_text-name = ‘TEXT‘.
      ls_text-value = ‘Result-Text‘.
      INSERT ls_text INTO TABLE lt_column_texts.
      lv_group_header = ‘Group Header‘.
      lv_window_title = ‘Window Title‘.
      lv_table_header = ‘Table Header‘.
      ovs_callback_object->set_configuration(
      label_texts = lt_label_texts
      column_texts = lt_column_texts
      group_header = lv_group_header
      window_title = lv_window_title
      table_header = lv_table_header
      col_count = 3
      row_count = 8 ).
    WHEN if_wd_ovs=>co_phase_1.
      ovs_callback_object->context_element->get_static_attributes(
      IMPORTING static_attributes = ls_search_input ).
      ovs_callback_object->set_input_structure(
      input = ls_search_input ).
    WHEN if_wd_ovs=>co_phase_2.
      IF ovs_callback_object->query_parameters IS NOT BOUND.
      ENDIF.
      ASSIGN ovs_callback_object->query_parameters->*
      TO <ls_query_params>.
      IF NOT <ls_query_params> IS ASSIGNED.
      ENDIF.
      lw_carrid = <ls_query_params>-carrid.
      lw_connid = <ls_query_params>-connid.
      REPLACE ALL OCCURRENCES OF ‘*‘ IN lw_carrid WITH ‘%‘ .
      REPLACE ALL OCCURRENCES OF ‘*‘ IN lw_connid WITH ‘%‘ .
      IF lw_carrid IS NOT INITIAL AND lw_connid IS NOT INITIAL.
        SELECT * INTO CORRESPONDING FIELDS OF TABLE lt_select_list FROM SFLIGHT
          WHERE carrid LIKE lw_carrid
          AND connid LIKE lw_connid.
      ENDIF.
      IF lw_carrid IS INITIAL AND lw_connid IS NOT INITIAL.
        SELECT * INTO CORRESPONDING FIELDS OF TABLE lt_select_list FROM SFLIGHT
          WHERE connid LIKE lw_connid.
      ENDIF.
      IF lw_carrid IS NOT INITIAL AND lw_connid IS INITIAL.
        SELECT * INTO CORRESPONDING FIELDS OF TABLE lt_select_list FROM SFLIGHT
          WHERE carrid LIKE lw_carrid .
      ENDIF.
      ovs_callback_object->set_output_table( output = lt_select_list ).
    WHEN if_wd_ovs=>co_phase_3.
      IF ovs_callback_object->selection IS NOT BOUND.
      ENDIF.
      ASSIGN ovs_callback_object->selection->* TO <ls_selection>.
      IF <ls_selection> IS ASSIGNED.
        ovs_callback_object->context_element->set_attribute(
        name = ‘CARRID‘
        value = <ls_selection>-carrid ).
        ovs_callback_object->context_element->set_attribute(
        name = ‘CONNID‘
        value = <ls_selection>-connid ).
      ENDIF.
  ENDCASE.
ENDMETHOD.