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Java获取当前时间年月日、时间格式化打印、字符串转日期

package com.sysc.simple;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;public class DateUtils {		public static void show() throws ParseException {		//获取当前日期		Calendar now = Calendar.getInstance();  		int year = now.get(Calendar.YEAR);		int month = now.get(Calendar.MONTH) + 1;//注意月份		int day = now.get(Calendar.DAY_OF_MONTH);		int hour = now.get(Calendar.HOUR_OF_DAY);		int minute = now.get(Calendar.MINUTE);		int second = now.get(Calendar.SECOND);		long millis = now.getTimeInMillis();        System.out.println(now.getTime());          System.out.println(year + month + day + hour + minute + second + millis);          //日期格式化打印        Date d = new Date();          SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");          String dateNowStr = sdf.format(d);          System.out.println("格式化后的日期:" + dateNowStr);                  //字符串解析为日期        String str = "2014-9-1 13:08:28";          Date today = sdf.parse(str);          System.out.println("字符串转成日期:" + today);  	}}

  

Java获取当前时间年月日、时间格式化打印、字符串转日期