package publicclass;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

/**»ñÈ¡2¸öʱ¼äµÄÌìÊý¼ä¸ô*/
public class Gethour {


	/**
	 *¼ÆËã2¸öÈÕÆÚÏà²îµÄÌìÊý
	 */
	public static int getday(String smdate) {
		SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
		Calendar cal = Calendar.getInstance(); 
		Date startDate=null;
		Date endDate=null;
		try {
			startDate =sdf.parse(smdate);
			endDate =sdf.parse(GetNowTime.y_m_d());
		} catch (ParseException e) {
			e.printStackTrace();
		}

		cal.setTime(startDate);  
		long time1 = cal.getTimeInMillis();               
		cal.setTime(endDate);  
		long time2 = cal.getTimeInMillis();       
		long between_days=(time2-time1)/(1000*3600*24);	          
		return Integer.parseInt(String.valueOf(between_days));   
	}
	
	/**
	 *¼ÆËã2¸öÈÕÆÚÏà²îµÄÌìÊý
	 */
	public static int getday2(String smdate) {
		SimpleDateFormat sdf=new SimpleDateFormat("yyyy_MM_dd_HH");
		Calendar cal = Calendar.getInstance(); 
		Date startDate=null;
		Date endDate=null;
		try {
			startDate =sdf.parse(smdate);
			endDate =sdf.parse(GetNowTime.y_m_d());
		} catch (ParseException e) {
			e.printStackTrace();
		}

		cal.setTime(startDate);  
		long time1 = cal.getTimeInMillis();               
		cal.setTime(endDate);  
		long time2 = cal.getTimeInMillis();       
		long between_days=(time2-time1)/(1000*3600*24);	          
		return Integer.parseInt(String.valueOf(between_days));   
	}


	/**
	 * ¼ÆËã2¸öʱ¼äÏà²îµÄÌìÊý¡¢Ð¡Ê±¡¢·ÖÖÓ¡¢Ãë
	 * @param startTime ¿ªÊ¼Ê±¼ä
	 * @param endTime ½Øֹʱ¼ä
	 * @param format ʱ¼ä¸ñʽ yyyy-MM-dd HH:mm:ss
	 * @param str ·µ»ØµÄÊý¾ÝΪ£ºday-Ìì¡¢hour-Сʱ¡¢min-·ÖÖÓ¡¢second-Ãë
	 * @return
	 */
	@SuppressWarnings("unused")
	public static long gethour(String startTime) {
		SimpleDateFormat sd = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		long nd = 1000 * 24 * 60 * 60;// Ò»ÌìµÄºÁÃëÊý
		long nh = 1000 * 60 * 60;// һСʱµÄºÁÃëÊý
		long nm = 1000 * 60;// Ò»·ÖÖӵĺÁÃëÊý
		long ns = 1000;// Ò»ÃëÖӵĺÁÃëÊý
		long diff;
		long day = 0;
		long hour = 0;
		long min = 0;
		long second = 0;
		long b1=0;
		long b2=0;
		try {
			b1=sd.parse(GetNowTime.now()).getTime();
			b2=sd.parse(startTime).getTime();
		} catch (ParseException e) {
			// TODO ×Ô¶¯Éú³ÉµÄ catch ¿é
			e.printStackTrace();
		}
		
		
		// »ñµÃÁ½¸öʱ¼äµÄºÁÃëʱ¼ä²îÒì
		diff =b1- b2;
		// ¼ÆËã²î¶àÉÙÌì
		//day = diff / nd;
		// ¼ÆËã²î¶àÉÙСʱ
		hour = diff / nh ;
		// ¼ÆËã²î¶àÉÙ·ÖÖÓ
		// min = diff / nm ;
		// ¼ÆËã²î¶àÉÙÃë
		//second = diff / ns;
		// Êä³ö½á¹û
		long hours=(hour - day * 24);
		return hours;

	}



}