string ls_datedate ld_todaylong ll_year,ll_monthld_today=date(today())ll_year=year(ld_today)ll_month=month(ld_today)choose case ll_month case 1ls_date=string(ll_year - 1)+"-"+string(11)+"-01" case 2ls_date=string(ll_year - 1)+"-"+string(12)+"-01" case 3 to 12 ls_date=string(ll_year)+"-"+string(ll_mo...
