获取当天0点时间戳Long

Date date = new Date();

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

String curDate = s.format(date.getTime());  //当前日期

System.out.println(curDate);

ParsePosition pos = new ParsePosition(0);
Date strtodate = s.parse(curDate, pos);

System.out.println(strtodate.getTime());