sql 选择2。动态爱情，级联爱情

Posted 2021-05-13

var selectListShips = {
dropdownAutoWidth: true,
width: '200px',
//minimumInputLength: 1,
ajax: { url: 'wwv_flow.show',
        dataType: 'json',
        quietMillis: 500,
        data: function (term, page) {
            return {
                p_request      : 'APPLICATION_PROCESS=GET_SHIPS_SELECT2',
                p_flow_id      : $v('pFlowId'),
                p_flow_step_id : $v('pFlowStepId'),
                p_instance     : $v('pInstance'),
                x01            : $(this).parent().parent().find('select[name="f03"]').val()
            };
        },
        results: function (data, page) { 
            return { results: data.row };
        },
        cache: true 
    }, // end ajax call
initSelection: function(element, callback) {

  var id = element.val();
        if (id) {
            var data = {id: element.val(), text: shipDic[id]};
            callback(data);
        }
    }, // end init selection 

  placeholder: " ",
allowClear: true};

DECLARE
  l_cursor           sys_refcursor;
	l_param            VARCHAR2 (40)   := apex_application.g_x01; 
	l_row_id           VARCHAR2 (40)   := apex_application.g_x02;  
	l_selected_value	 varchar2 (200);
BEGIN

 
         
  open l_cursor for  select item_shtname "text"
													, item_code "id"
									     from lgms_lov_v
											where upper(lov_code) = 'SHIPS'
												and attribute3 = l_param -- 'PCL'
											order by 1; 
    
  apex_json.open_object;
  apex_json. write('results', l_cursor);
  apex_json.close_object;
END;

declare
l_need_comma boolean := false;
begin
-- Create "dictionary" arrays: 
--   deptDic for Departments
-- They are used for the populating the Select2 items
-- that already have codes and avoid an extra AJAX call for each one.
sys.htp.p('<script>');

sys.htp.prn('var shipDic={');

for d in (
	 select d.item_shtname  as description,
					d.item_code as code
		 from lgms_lov_v d
   	where upper(lov_code) = 'SHIPS'
		order by 1    
)
loop
	if l_need_comma then
		sys.htp.prn(',');
	else
		l_need_comma := true;
	end if;
	sys.htp.prn(d.code || ':"' || replace(d.description, '"','\"') || '"');
end loop;
sys.htp.p('};');

sys.htp.p('</script>');

end;