web dynpro message(备忘用)
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. DATA lv_ebeln TYPE ebeln.
lv_ebeln = WD_COMP_CONTROLLER->cust_get_if( ). IF lv_ebeln is INITIAL. * report message CALL METHOD lo_message_manager->REPORT_ERROR_MESSAGE
EXPORTING
message_text = '请输入必要的字段!'
show_as_popup = 'X'
cancel_navigation = 'X'
* enable_message_navigation = 'X'
.
ENDIF.
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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