<%...@ page contentType="text/html; charset=GBK" %><%...@ page import="java.util.*"%><%...@ page import="java.sql.*"%><%...@ page import="java.text.SimpleDateFormat"%><html> <body> <%... java.util.Date now1 = new java.util.Date(); out.print(now1); //结果:Tue Jun 12 10:28:52 CST 2007 String StrDateTime1= new SimpleDateFormat("yyyy-MM-dd kk:mm:ss").format(now1); out.print(StrDateTime1); //结果:2007-06-12 10:28:52 Timestamp s=Timestamp.valueOf(StrDateTime1); out.print(s.after(Timestamp.valueOf("2007-07-2 10:20:20"))); //结果:false java.sql.Date now = new java.sql.Date(now1.getTime()); out.print(now); //结果:2007-06-12 java.util.Date now3 = new java.util.Date(); java.sql.Date now4 = new java.sql.Date(now3.getTime()); out.print(now4); //结果:2007-06-12 %> </body></html>