常用的时间格式小计(一)

import java.sql.Timestamp;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class DateTimeUtils {

	/**
	 * yyyy-MM-dd hh:mm:ss(String) To  yyyy年MM月dd日 HH小时mm分ss秒(String)
	 * @param datetime
	 * @return
	 */
	public static String  parseStringDateToChineseFormat(String datetime) {
		Date newdate = new Date();
		try {
			SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
			newdate = sdf.parse(datetime);
			SimpleDateFormat format=new SimpleDateFormat("yyyy年MM月dd日 HH小时mm分ss秒");
			return format.format(newdate);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		return null;
	}
	
	
	
	/**
	 * 1348211900303(Long) To yyyy-MM-dd hh:mm:ss(String)
	 * @param timestamp
	 * @return
	 */
	public static String parseLongDateToStringDate(long timestamp) {
		String date = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(timestamp));
		return date;
	}
	/**
	 *  yyyy-MM-dd hh:mm:ss(String) To 1348211900303(Long) 
	 * @param datetime
	 * @return
	 */
	public static Long parseStringDateDateToLongDate(String datetime) {
		try {
			Timestamp appointTime=Timestamp.valueOf(datetime); 
			SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");  
			Date date = df.parse(String.valueOf(appointTime));  
			return date.getTime();
		} catch (ParseException e) {
			e.printStackTrace();
		}
		return null;
	}
	
	public static void main(String[] args) {
		
		System.out.println(parseStringDateToChineseFormat("2012-10-17 16:07:11"));
		System.out.println(parseLongDateToStringDate(System.currentTimeMillis()));
		System.out.println(parseStringDateDateToLongDate(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()))/1000);
	}
}