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.

webdynpro MESSGAE

时间： 2024-11-15 16:46:42

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