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: 
     
       TYPE lty_stru_input,                 
      
        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 
       
        .      IF NOT 
        
          IS ASSIGNED.      ENDIF.      lw_carrid = 
         
          -carrid.      lw_connid = 
          
           -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 
           
            . IF 
            
              IS ASSIGNED. ovs_callback_object->context_element->set_attribute( name = 'CARRID' value = 
             
              -carrid ). ovs_callback_object->context_element->set_attribute( name = 'CONNID' value = 
              
               -connid ). ENDIF. ENDCASE.ENDMETHOD.