1.時間需用 SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
sdf.format(new Date())格式化後傳進去
2.select to_char(porder_completed,'yyyy-mm-dd') as name,count(porder_id) as visits,sum(PORDER_ACCOUNT) as views
FROM( select * from sell_porder_form where porder_state='completed')
where to_char(porder_completed,'yyyy-mm-dd')>='2013-06-02 ' and to_char(porder_completed,'yyyy-mm-dd')<='2013-06-08' and Porder_origin = 'retail' group by to_char(porder_completed,'yyyy-mm-dd')