1、java创建Timestamp的几种方式
Timestamp time1 = new Timestamp(System.currentTimeMillis());
Timestamp time2 = new Timestamp(new Date().getTime());
Timestamp time3 = new Timestamp(Calendar.getInstance().getTimeInMillis());
//不建议使用
Timestamp time4 = new Timestamp(2011-1900,11,11,11,11,11,0);
原文：http://www.cnblogs.com/areyouready/p/7341862.html