Mysql和Java之间时间对应关系表: date java.sql.Date Datetime java.sql.Timestamp Timestamp java.sql.Timestamp Time java.sql.Time Year java.sql.Date 插入日期的方式: java.util.Date类型的时间直接插入.mysql中的字段类型也是Date 这个时候如果插入数据是只有日期的
[Java]如何把当前时间插入到数据库 1.在orderDao.java中 /** 设置订单*/ public void setOrder(Order order){ Date time = new Date(System.currentTimeMillis()); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); String current = sdf.format(time); order.se
题目: Design a data structure that supports all following operations in averageO(1) time. Note: Duplicate elements are allowed. insert(val): Inserts an item val to the collection. remove(val): Removes an item val from the collection if present. getRand