//年月联动 new YMDselect('year1','month1'); new YMDselect('year1','month1',1990); new YMDselect('year1','month1',1990,2); //年月日联动 new YMDselect('year1','month1','day1'); new YMDselect('year1','month1','day1',1990); new YMDselect('year1','month1','day1',1990,2); new YMDselect('year1','month1','day1',1990,2,10);