import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class Try {
 
    public static void main(String[] args) throws ParseException {
        String time="2016-08-12 15:22";//設置時間
        String hourTime,dayTime,monthTime,yearTime;
        Calendar c = Calendar.getInstance();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");
        Date e;
        e = sdf.parse(time);
        c.setTime(e);
      System.out.println(c.get(Calendar.HOUR_OF_DAY)+":"+c.get(Calendar.MINUTE)+"/"+c.get(Calendar.MONTH));//獲得時,分,月(0為1月)
        int d=(c.get(Calendar.HOUR_OF_DAY)*60+c.get(Calendar.MINUTE))/5;//多少個5分鐘
        if (c.get(Calendar.HOUR_OF_DAY) >= 12) {
            c.set(Calendar.MINUTE, 0);
            c.set(Calendar.SECOND, 0);
            c.add(Calendar.HOUR_OF_DAY,0);//-1取之前一個小時整點壹哺，0取當前一個小時整點，以此類推.
            hourTime = dateToString(c.getTime(),
                    "yyyy-MM-dd HH:mm:ss");
 
        } else {
            c.set(Calendar.MINUTE, 0);
            c.set(Calendar.SECOND, 0);
            c.add(Calendar.HOUR_OF_DAY,0);//-1取之前一個小時整點艘刚，0取當前一個小時整點惹恃，以此類推
            hourTime = dateToString(c.getTime(),
                    "yyyy-MM-dd HH:mm:ss");
        }
       
         System.out.println(hourTime+"http://"+d);
         if (c.get(Calendar.HOUR_OF_DAY) >= 12) {
                c.set(Calendar.MINUTE, 0);
                c.set(Calendar.SECOND, 0);
                c.set(Calendar.DAY_OF_MONTH,1);//0取上一個月最后一天 1取這個月第一天，以此類推.
                dayTime = dateToString(c.getTime(),
                        "yyyy-MM-dd HH:mm:ss");
 
            } else {
                c.set(Calendar.MINUTE, 0);
                c.set(Calendar.SECOND, 0);
                c.set(Calendar.DAY_OF_MONTH,1);//0取上一個月最后一天 1取這個月第一天坎拐，以此類推.
                dayTime = dateToString(c.getTime(),
                        "yyyy-MM-dd HH:mm:ss");
            }
         System.out.println(dayTime+"http://");
         
         if (c.get(Calendar.HOUR_OF_DAY) >= 12) {
                c.set(Calendar.MINUTE, 0);
                c.set(Calendar.SECOND, 0);
                c.set(Calendar.DAY_OF_MONTH,1);
                c.set(Calendar.MONTH,0);//在控制天數(shù)的情況下,進行控制月份馁启，0為1月， 1為2月 秋度，以此類推
                monthTime = dateToString(c.getTime(),
                        "yyyy-MM-dd HH:mm:ss");
 
            } else {
                c.set(Calendar.MINUTE, 0);
                c.set(Calendar.SECOND, 0);
                c.set(Calendar.DAY_OF_MONTH,1);
                c.set(Calendar.MONTH,0);//在控制天數(shù)的情況下,進行控制月份炸庞，0為1月， 1為2月荚斯， 以此類推
                monthTime = dateToString(c.getTime(),
                        "yyyy-MM-dd HH:mm:ss");
            }
         System.out.println(monthTime+"http://");
         if (c.get(Calendar.HOUR_OF_DAY) >= 12) {
                c.set(Calendar.MINUTE, 0);
                c.set(Calendar.SECOND, 0);
                c.set(Calendar.DAY_OF_MONTH,1);
                c.add(Calendar.YEAR,1);//在控制天數(shù)的情況下,進行控制月份埠居，0為今年， 1為加一年 事期，以此類推
                yearTime = dateToString(c.getTime(),
                        "yyyy-MM-dd HH:mm:ss");
 
            } else {
                c.set(Calendar.MINUTE, 0);
                c.set(Calendar.SECOND, 0);
                c.set(Calendar.DAY_OF_MONTH,1);
                c.add(Calendar.YEAR,1);//在控制天數(shù)的情況下,進行控制月份滥壕，0為今年， 1為加一年 兽泣，以此類推
                yearTime = dateToString(c.getTime(),
                        "yyyy-MM-dd HH:mm:ss");
            }
         System.out.println(yearTime+"http://");
    }
    public static String dateToString(Date date, String formatString) {
        if (formatString == null || formatString.equals(""))
            formatString = "yyyy-MM-dd HH:mm:ss";
        try {
            SimpleDateFormat sdf = new SimpleDateFormat(formatString);
            return sdf.format(date);
        } catch (Exception e) {
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            return sdf.format(date);
        }
    }
    public static Date stringToDate(String strDate, Date defaultValue) {
        return stringToDate(strDate, "yyyy-MM-dd HH:mm:ss", defaultValue);
    }
    public static Date stringToDate(String strDate, String formatString,
            Date defaultValue) {
        if (formatString == null || formatString.equals(""))
            formatString = "yyyy-MM-dd HH:mm:ss";
        try {
            SimpleDateFormat sdf = new SimpleDateFormat(formatString);
            return sdf.parse(strDate);
        } catch (Exception e) {
            return defaultValue;
        }
    }
 
}```