WDA 实用语法

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当节点含子节点时，实用path ,确定节点。

DATA lo_nd_barcd TYPE REF TO if_wd_context_node.

lo_nd_barcd = wd_context->path_get_node( path = `MULTI_BARCD.BARCD` ).

跳出框

  DATA lo_window_manager TYPE REF TO if_wd_window_manager.
  DATA lo_api_component  TYPE REF TO if_wd_component.
  DATA lo_window         TYPE REF TO if_wd_window.

    lo_api_component  = wd_comp_controller->wd_get_api( ).
    lo_window_manager = lo_api_component->get_window_manager( ).
    lo_window         = lo_window_manager->create_window(
                        window_name            = 'Z_MULTI_BARCD_WINDOW'
*                       title                  =
*                       close_in_any_case      = abap_true
                        message_display_mode   = if_wd_window=>co_msg_display_mode_selected
*                       close_button           = abap_true
                        message_type           = if_wd_window=>co_msg_type_none
                        ).

    lo_window->open( ).
    lo_window->set_window_size( width = '600' height = '300' ).

中文URL字符转化：

lo_unencoded ：A71048R系列标配中文.rar

lo_encoded：A71048R%e7%b3%bb%e5%88%97%e6%a0%87%e9%85%8d%e4%b8%ad%e6%96%87.rar

        CALL METHOD cl_http_utility=>if_http_utility~ESCAPE_URL
          EXPORTING
            unescaped = lo_unencoded
          RECEIVING
            escaped   = lo_encoded.

屏幕自定义MESSAGE_AREA .

需要在属性中添加变量 L_MESSAGE_MANAGER （IF_WD_MESSAGE_MANAGER）

  DATA l_controller TYPE REF TO if_wd_controller.
  l_controller = wd_this->wd_get_api( ).
  CALL METHOD l_controller->get_message_manager
    RECEIVING
      message_manager = wd_this->l_message_manager.

  DATA lv_text_003 TYPE string.
  lv_text_003 =
    wd_assist->if_wd_component_assistance~get_text( '003' ).

  wd_this->l_message_manager->report_error_message( message_text = lv_text_003 ).

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