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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 =http://www.mamicode.com/ l_value ). l_text = wd_Assist->get_text( wd_Assist->text2 ). l_param-name = ‘P1‘. l_param-value =http://www.mamicode.com/ 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 =http://www.mamicode.com/ 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 =http://www.mamicode.com/ 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 =http://www.mamicode.com/ MESSAGE_TYPE = lo_message_manager->CO_TYPE_WARNING ENDTRY. endmethod.
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