摘要：
待总结 阅读全文
摘要：
待总结 阅读全文
摘要：
eg.String hql = "select dr.date,sum(dr.click_num) as cn from DailyRecord dr ";hql += " where 1=1 ";hql += " and dr.date > :date ";...hql += " group by dr.date ";//(1)hql += " order by dr.date desc "; Session session = getSessionFactory().openSessi 阅读全文
摘要：
1. Date --> Long 秒Date d = new Date();Long res = d.getTime();2. Date --> Date3.Date -> String4.String ->Date 阅读全文