select * from t_bus_calendar tbc WHERE 1=1 
<#if (calendarAscDto.year )?? && calendarAscDto.year ?length gt 0>
	 and tbc.year = :calendarAscDto.year
<#else >
	 and tbc.year=null 
</#if>

<#if (calendarAscDto.month )?? && calendarAscDto.month ?length gt 0>
	 and tbc.month = :calendarAscDto.month
<#else >
	 and tbc.month=null 
</#if>
 ORDER BY day ASC