package com.hxzkoa.udp;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
/**该类用于时间计算*/
public class TiemDell {
	
	private static final String aa = "yyyy-MM-dd HH:mm:ss";
	 /**获取两个时间相差毫秒数*/
    public static long getTime(String oldTime,String newTime)  { 
      SimpleDateFormat df = new SimpleDateFormat("YYYY-MM-dd HH:mm:ss.SSS");
      long NTime = 0;
      long OTime = 0;
		try {
			NTime = df.parse(newTime).getTime();
			OTime = df.parse(oldTime).getTime();
		} catch (ParseException e) {
			// TODO 自动生成的 catch 块
			e.printStackTrace();
		}
      
      long diff=(NTime-OTime);
      return diff;
  }
    
	public static int getTimeDelta(Date date1,Date date2){
		long timeDelta=(date1.getTime()-date2.getTime())/1000;//单位是秒
		int secondsDelta=timeDelta>0?(int)timeDelta:(int)Math.abs(timeDelta);
		return secondsDelta;
	}
    
    /**获取两个时间相差秒数*/
    public static int getTimeDelta(String stoptime,String Startime){
		Date date1=parseDateByPattern(stoptime, aa);
		Date date2=parseDateByPattern(Startime, aa);
		return getTimeDelta(date1, date2);
	}
   
	
	public static Date parseDateByPattern(String dateStr,String dateFormat){
		SimpleDateFormat sdf = new SimpleDateFormat(dateFormat);
		try {
			return sdf.parse(dateStr);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		return null;
	}

}