package com.zlp.user;import java.text.DateFormat;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;public class PrintCurrentTime {	/**	 * 将日期按指定格式转换成字符串	 * @param date	 * @param style	 * @return	 */	private String dateToString(Date date, String style) {		SimpleDateFormat sdf = new SimpleDateFormat(style);		if (date != null) {			return sdf.format(date);		}		return null;	}		public static void main(String[] args) {		System.out.println("**********1**********");		String DATE_STYLE_BASIC = "yyyy-MM-dd HH:mm:ss";		System.out.println(new PrintCurrentTime().dateToString(new Date(),DATE_STYLE_BASIC));				System.out.println("**********2**********");		Calendar cal = Calendar.getInstance();		DateFormat df = DateFormat.getDateTimeInstance(DateFormat.SHORT,DateFormat.SHORT);		System.out.println(df.format(cal.getTime()));				System.out.println("******3*********");		Calendar c = Calendar.getInstance();		System.out.print(c.get(Calendar.YEAR) + "年"				+ (c.get(Calendar.MONTH) + 1) + "月" + c.get(Calendar.DATE)				+ "日");		System.out.println(c.get(Calendar.HOUR_OF_DAY) + ":"				+ c.get(Calendar.MINUTE) + ":" + c.get(Calendar.SECOND));	}}

把 Java util.Date 转成 sql.Date

java.util.Date utilDate = new java.util.Date();   java.sql.Date sqlDate = new java.sql.Date(utilDate.getTime());