/**

     * 获取当前时间所在周的周一和周日的日期时间

     * @return

     */

    public static Map<String,String> getWeekDate() {

        Map<String,String> map = new HashMap();

        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

        Calendar cal = Calendar.getInstance();

        // 设置一个星期的第一天，按中国的习惯一个星期的第一天是星期一

        cal.setFirstDayOfWeek(Calendar.MONDAY);

        // 获得当前日期是一个星期的第几天

        int dayWeek = cal.get(Calendar.DAY_OF_WEEK);

        if(dayWeek==1){

            dayWeek = 8;

        }

        cal.add(Calendar.DATE, cal.getFirstDayOfWeek() - dayWeek);// 根据日历的规则，给当前日期减去星期几与一个星期第一天的差值

        Date mondayDate = cal.getTime();

        String weekBegin = sdf.format(mondayDate);

        cal.add(Calendar.DATE, 4 +cal.getFirstDayOfWeek());

        Date sundayDate = cal.getTime();

        String weekEnd = sdf.format(sundayDate);

        map.put("mondayDate", weekBegin);

        map.put("sundayDate", weekEnd);

        return map;

    }