java 时间类 demo

package datedemo;import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;/*** 时间工具类*/
public class utools {private utools(){}// 时间对象转 指定格式字符串时间public static String dts(Date date, String format){SimpleDateFormat sdf = new SimpleDateFormat(format);String format1 = sdf.format(date);return format1;}// 字符串时间 转时间对象public static Date std(String s,String format) throws ParseException {SimpleDateFormat sdf = new SimpleDateFormat(format);Date parse = sdf.parse(s);return parse;}}