摘要：
//获取上周星期天 Calendar calendar = Calendar.getInstance(); calendar.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY); Date date =calendar.getTime(); SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); String dateTime = format.format(date); System.out.println(dateTime); // 上周今天 calendar.add( 阅读全文