import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
/**
 * 得到給定時期是一年中的第幾天
 * @author 林
 *
 */
public class Test5_date {
	//方法一
	public String getDay1(String time){
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
		String day = "" ;
		try {
			Date date = sdf.parse(time);
			day += String.format("%tj", date);
		} catch (Exception e) {
			e.printStackTrace();
		}
		
		return day;
	}
	//方法二
	public int getDay2(String time){
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
		int day = 0;
		try {
			Date date = sdf.parse(time);
			Calendar c = Calendar.getInstance();
			c.setTime(date);
			day = c.get(Calendar.DAY_OF_YEAR);
		} catch (Exception e) {
			e.printStackTrace();
		}
		
		return day;
	}
	public static void main(String[] args) {
		Test5_date t = new Test5_date();
		String time = "2016-9-27";
		String day = t.getDay1(time);
		System.out.println(day);
	}
}