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  • webdynpro MESSGAE

    1、  添加辅助类CL_WDR_DEMO_MESSAGES

    环境,设计的控件有:输入控件,按钮,每个按钮对应一个事件。分别是下面,然后报消息

    TEXT:

    SUCCESS:

    method ONACTIONSUCCESS .
    * get message manager
    data lo_api_controller     type ref to if_wd_controller.
    data lo_message_manager    type ref to if_wd_message_manager.
    data: l_text type string.
    l_text = wd_Assist->get_text( wd_assist->text1 ).
    
    lo_api_controller ?= wd_This->Wd_Get_Api( ).
    
    CALL METHOD lo_api_controller->GET_MESSAGE_MANAGER
      RECEIVING
        MESSAGE_MANAGER = lo_message_manager
        .
    
    * report message
    CALL METHOD lo_message_manager->REPORT_SUCCESS
      EXPORTING
        MESSAGE_TEXT              = l_text   .
    
    
    endmethod.

    WARNING:

    method ONACTIONWARNING .
        data: l_text type string.
    
    *   get message manager
      l_text = wd_assist->get_text( wd_assist->text1 ).
      data lo_api_controller     type ref to if_wd_controller.
      data lo_message_manager    type ref to if_wd_message_manager.
    
      lo_api_controller ?= wd_This->Wd_Get_Api( ).
    
      CALL METHOD lo_api_controller->GET_MESSAGE_MANAGER
        RECEIVING
          MESSAGE_MANAGER = lo_message_manager
          .
    
    *   report message
      CALL METHOD lo_message_manager->REPORT_WARNING
        EXPORTING
          MESSAGE_TEXT              =  l_text.
    endmethod.

    ERROR:

    method ONACTIONERROR .
        data: l_text type string.
    
    *   get message manager
      l_text = wd_assist->get_text( wd_assist->text1 ).
      data lo_api_controller     type ref to if_wd_controller.
      data lo_message_manager    type ref to if_wd_message_manager.
    
      lo_api_controller ?= wd_This->Wd_Get_Api( ).
    
      CALL METHOD lo_api_controller->GET_MESSAGE_MANAGER
        RECEIVING
          MESSAGE_MANAGER = lo_message_manager
          .
    
    *   report message
      CALL METHOD lo_message_manager->REPORT_ERROR_MESSAGE
        EXPORTING
          MESSAGE_TEXT              = l_text
    endmethod.

    ERROR关联元素中的数据

    method ONACTIONERROR_PAR .
      data: l_text type string,
          l_value type I,
          l_params type wdr_name_value_list,
          l_param type wdr_name_value.
    
      wd_context->get_attribute( exporting name = 'INTEGER' importing value = l_value ).
    
      l_text = wd_Assist->get_text( wd_Assist->text2 ).
    
      l_param-name = 'P1'.
      l_param-value = l_value.
      append l_param to l_params.
    
    * get message manager
    data lo_api_controller     type ref to if_wd_controller.
    data lo_message_manager    type ref to if_wd_message_manager.
    
    lo_api_controller ?= wd_This->Wd_Get_Api( ).
    
    CALL METHOD lo_api_controller->GET_MESSAGE_MANAGER
      RECEIVING
        MESSAGE_MANAGER = lo_message_manager
        .
    
    * report message
    CALL METHOD lo_message_manager->REPORT_ERROR_MESSAGE
      EXPORTING
        MESSAGE_TEXT              =  l_text
        PARAMS                    =  l_params.
    endmethod.

    ERROR关联元素

    method ONACTIONERROR_LT_1000 .
      data: l_value type I,
            l_text type string.
      DATA lo_el_context TYPE REF TO if_wd_context_element.
      DATA ls_context TYPE wd_this->Element_context.
    
    
    wd_context->get_attribute( exporting name = 'INTEGER' importing value = l_value ).
    IF l_value < 1000.
      lo_el_context = wd_context->get_element( ).
       l_text = wd_Assist->get_text( wd_Assist->text1 ).
    *    get message manager
       data lo_api_controller     type ref to if_wd_controller.
       data lo_message_manager    type ref to if_wd_message_manager.
    
       lo_api_controller ?= wd_This->Wd_Get_Api( ).
    
       CALL METHOD lo_api_controller->GET_MESSAGE_MANAGER
         RECEIVING
           MESSAGE_MANAGER = lo_message_manager
           .
    
    *    report message
       CALL METHOD lo_message_manager->REPORT_ATTRIBUTE_ERROR_MESSAGE
         EXPORTING
           MESSAGE_TEXT              = l_text
           ELEMENT                   = lo_el_context
           ATTRIBUTE_NAME            = 'INTEGER'
           .
    
    
    
    ENDIF.
    endmethod.

    异常消息:

    EXCEPTION

    method ONACTIONERROR_EXCEPTION .
        data: l_exc type ref to cx_wdr_demo_messages.
      create object l_exc.
    *   get message manager
      data lo_api_controller     type ref to if_wd_controller.
      data lo_message_manager    type ref to if_wd_message_manager.
    
      lo_api_controller ?= wd_This->Wd_Get_Api( ).
    
      CALL METHOD lo_api_controller->GET_MESSAGE_MANAGER
        RECEIVING
          MESSAGE_MANAGER = lo_message_manager
          .
    
    *   report message
      CALL METHOD lo_message_manager->REPORT_EXCEPTION
        EXPORTING
          MESSAGE_OBJECT            = l_exc
    endmethod.

    异常关联元素

    method ONACTIONATTR_WARN_EXCEPTION .
        data: l_exc     type ref to cx_wdr_demo_messages,
            l_value   type I,
            l_element type ref to if_wd_context_element.
          wd_context->get_attribute( exporting name = 'INTEGER' importing value = l_value ).
      TRY.
         wd_assist->CHECK_VALUE_LT_1000( l_value ).
    
      CATCH cx_wdr_demo_messages into l_exc.
        l_element = wd_context->get_element( ).
    *     get message manager
    * get message manager
    data lo_api_controller     type ref to if_wd_controller.
    data lo_message_manager    type ref to if_wd_message_manager.
    
    lo_api_controller ?= wd_This->Wd_Get_Api( ).
    
    CALL METHOD lo_api_controller->GET_MESSAGE_MANAGER
      RECEIVING
        MESSAGE_MANAGER = lo_message_manager
        .
    
    * report message
    CALL METHOD lo_message_manager->REPORT_ATTRIBUTE_EXCEPTION
      EXPORTING
        MESSAGE_OBJECT            = l_exc
        ELEMENT                   = l_element
        ATTRIBUTE_NAME            =  'INTEGER'
    *    MSG_USER_DATA             =
        MESSAGE_TYPE             = lo_message_manager->CO_TYPE_WARNING
      ENDTRY.
    endmethod.
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  • 原文地址:https://www.cnblogs.com/caizjian/p/3770162.html
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