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);
原文地址：
http://vsp.iteye.com/blog/1253774
