12.17

package Text9;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Scanner;

public class Text2 {

	public static void main(String[] args) throws ParseException {
		System.out.println("按下格式请输入：yyyy-MM-dd");
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		System.out.println("请输入保质期：");
		int S = sc.nextInt();
		
		SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd");
		Date date = f.parse(s);
		
		Calendar c = Calendar.getInstance();
		c.setTime(date);
		c.add(Calendar.DAY_OF_MONTH,S);
		String x = f.format(c.getTime());
		
		System.out.println(x);
		Date d = c.getTime();
			
		SimpleDateFormat f1 = new SimpleDateFormat("yyyy-MM-dd");
		Calendar c1 = Calendar.getInstance();
		String y = f1.format(new Date());
		Date d1 = c1.getTime();
		System.out.println("当前日期：");
		System.out.println(y);
		
		 boolean b = d1.before(d); 
		 if(b){
			
		int t = 30-(d1.getDate()-d.getDate());
		System.out.println("没过期，剩余天数："+t);
		 }else{
			 System.out.println("过期");
			  }
		 
	}

}