时间戳获取（周，年，月，日）

package com.aquilaflycloud.util;

import net.sf.json.JSONArray;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;

public class DateTools {

    public static void main(String[] args) {
        List<DateBean> list=new ArrayList<DateBean>();
        getWeekDayTime(list, 4);
//        getYearDayTime(list, 4);
//        getDayLast(new ArrayList<DateBean>(), 7);


//        getDayTime(list,30);

//        getYearTimeDuring(list,5);

        System.out.println(JSONArray.fromObject(list).toString());
    }

    public static void setTimeParam(List<DateBean> dateBeans,int timeType,String startTime,String endTime){
        switch (timeType) {
            case 0:  //  * 0 ：近7天
                getDayLast(dateBeans,7);
                break;
            case 1:  // * 1 ：近1天
                getDayLast(dateBeans,1);
                break;
            case 2:  //  * 2 ：日统计
                getDayTime(dateBeans,30);
                break;
            case 3:  //    * 3 ：周统计
                getWeekDayTime(dateBeans, 13);
                break;
            case 4:  // * 4 ：月统计
                getYearDayTime(dateBeans, 12);
            case 5:  //时间段查询
                DateBean bean=new DateBean();
                bean.setStartTime(stringToData(startTime));
                bean.setEndTime(stringToData(endTime));

                bean.setStartTimeTest(0);
                bean.setEndTimeTest(5);
                dateBeans.add(bean);
                break;
            case 6:  //年统计
                getYearTimeDuring(dateBeans,5);
            case 7: //最近30天
                getDayLast(dateBeans,30);
                break;
        }
    }

    public static long stringToData(String stringDate){
        String res;
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date date = null;
        try {
//            date = simpleDateFormat.parse("2017-1-12"+" 00:00:00");
            date = simpleDateFormat.parse(stringDate+" 00:00:00");

        } catch (ParseException e) {
            e.printStackTrace();
            return 0;
        }

        return  date.getTime()/1000;
    }

    //获取周时间戳段 （星期1：00：00:00   星期天：23：59：59）
    public static void getWeekDayTime(List<DateBean> timeList, int count) {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        Calendar calendar = Calendar.getInstance();
        int diff = 7;
        for (int n = 0; n < count; n++) {
            DateBean bean = new DateBean();
            calendar.setTime(new Date());
            int qq= calendar.get(Calendar.DAY_OF_WEEK);
            if(qq==1){
                qq=-6;
            }else{
                qq=2-qq;
            }
            calendar.add(Calendar.DAY_OF_YEAR, qq- n * 7);
            calendar.set(Calendar.HOUR_OF_DAY, 0);
            calendar.set(Calendar.SECOND, 0);
            calendar.set(Calendar.MINUTE, 0);
            bean.setStartTime(calendar.getTimeInMillis() / 1000);
            bean.setStartTimeTest(n * diff);

//            Date monday1 = calendar.getTime();
//            System.out.println("周一:" + formatter.format(monday1) + ",时间戳:" + calendar.getTimeInMillis() / 1000);

            calendar.add(Calendar.DAY_OF_YEAR, 6);
            calendar.set(Calendar.HOUR_OF_DAY, 23);
            calendar.set(Calendar.SECOND, 59);
            calendar.set(Calendar.MINUTE, 59);
            bean.setEndTime(calendar.getTimeInMillis() / 1000);
            bean.setEndTimeTest(n * diff + diff);

//            monday1 = calendar.getTime();
//            System.out.println("周日:" + formatter.format(monday1) + ",时间戳:" + calendar.getTimeInMillis() / 1000);

            timeList.add(bean);
        }


    }

    //获取月时间戳段 （1号：00：00:00   本月最后一号：23：59：59）
    public static void getYearDayTime(List<DateBean> timeList, int count) {
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        int diff = 30;
        for (int i = 0; i < count; i++) {
            DateBean bean = new DateBean();
            //获取当前月第一天：
            Calendar c = Calendar.getInstance();
            c.add(Calendar.MONTH, -i);
            c.set(Calendar.DAY_OF_MONTH, 1);//设置为1号,当前日期既为本月第一天

            c.set(Calendar.HOUR_OF_DAY, 0);
            c.set(Calendar.SECOND, 0);
            c.set(Calendar.MINUTE, 0);
            bean.setStartTime(c.getTimeInMillis() / 1000);
            bean.setStartTimeTest(i * diff);


//            String first = format.format(c.getTime());
//            System.out.println("===============first:" + first);

            //获取当前月最后一天
            c.set(Calendar.DAY_OF_MONTH, c.getActualMaximum(Calendar.DAY_OF_MONTH));
            c.set(Calendar.HOUR_OF_DAY, 23);
            c.set(Calendar.SECOND, 59);
            c.set(Calendar.MINUTE, 59);
            bean.setEndTime(c.getTimeInMillis() / 1000);
            bean.setEndTimeTest(i * diff + diff);

//            String last = format.format(c.getTime());
//            System.out.println("===============last:" + last);

            timeList.add(bean);
        }

    }


    //获取最近天数的时间段 （不包括今天）
    public static void getDayLast(List<DateBean> timeList, int day) {
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        DateBean dateBean = new DateBean();
        Calendar c = Calendar.getInstance();
        c.add(Calendar.DAY_OF_YEAR,-1);
        c.set(Calendar.HOUR_OF_DAY, 23);
        c.set(Calendar.SECOND, 59);
        c.set(Calendar.MINUTE, 59);
        dateBean.setEndTime(c.getTimeInMillis() / 1000);
        dateBean.setEndTimeTest(day);

        c.add(Calendar.DAY_OF_YEAR, -day);
        c.set(Calendar.HOUR_OF_DAY, 0);
        c.set(Calendar.SECOND, 0);
        c.set(Calendar.MINUTE, 0);
        dateBean.setStartTime(c.getTimeInMillis() / 1000);
        dateBean.setStartTimeTest(0);

        timeList.add(dateBean);
    }

//获取按天统计时间戳（不包括今天）
    public static void getDayTime(List<DateBean> timeList, int count){
        for (int i=0;i<count;i++){
            DateBean dateBean = new DateBean();
            Calendar c = Calendar.getInstance();
            c.add(Calendar.DAY_OF_YEAR,-i-1);
            c.set(Calendar.HOUR_OF_DAY, 0);
            c.set(Calendar.SECOND, 0);
            c.set(Calendar.MINUTE, 0);
            dateBean.setStartTime(c.getTimeInMillis() / 1000);
            dateBean.setStartTimeTest(i+i);

            c.set(Calendar.HOUR_OF_DAY, 23);
            c.set(Calendar.SECOND, 59);
            c.set(Calendar.MINUTE, 59);
            dateBean.setEndTime(c.getTimeInMillis() / 1000);
            dateBean.setEndTimeTest(i+1+i);

            timeList.add(dateBean);
        }
    }


    public static void getYearTimeDuring(List<DateBean> timeList, int count){

        Calendar calendar=Calendar.getInstance();
        int year=calendar.get(Calendar.YEAR);
        for(int i=0;i<count;i++){
            DateBean dateBean=new DateBean();
            int y=year-i;
            calendar.set(y,0,1,0,0,0);
            dateBean.setStartTime(calendar.getTimeInMillis()/1000);
            calendar.set(y,11,31,23,59,59);
            dateBean.setEndTime(calendar.getTimeInMillis()/1000);
            timeList.add(dateBean);
        }

    }

}