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  • Java获取当前时间30天之前的时间

          
    //方法一
         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); String maxDateStr = "2018-01-01"; String minDateStr = ""; Calendar calc =Calendar.getInstance(); try { calc.setTime(sdf.parse(maxDateStr)); calc.add(calc.DATE, -30); Date minDate = calc.getTime(); minDateStr = sdf.format(minDate); System.out.println("minDateStr:"+minDateStr); } catch (ParseException e1) { e1.printStackTrace(); }

    方法二:

         Calendar now = Calendar.getInstance();
            now.add(Calendar.DAY_OF_MONTH, -30);
            String endDate = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(now.getTime());
            System.out.println(endDate);

    方法三:

         
    //java8 新特性
         LocalDateTime now = LocalDateTime.now(); now = now.minus(30, ChronoUnit.DAYS); System.out.println(now.toString());

    方法四:

    import org.apache.commons.lang3.time.DateUtils;
    
    Date now = new Date();
    Date startDate = DateUtils.addDays(now, -30);

    方法五:

          SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            Calendar c = Calendar.getInstance();
             
            //过去七天
            c.setTime(new Date());
            c.add(Calendar.DATE, - 7);
            Date d = c.getTime();
            String day = format.format(d);
            System.out.println("过去七天:"+day);
             
            //过去一月
            c.setTime(new Date());
            c.add(Calendar.MONTH, -1);
            Date m = c.getTime();
            String mon = format.format(m);
            System.out.println("过去一个月:"+mon);
             
            //过去三个月
            c.setTime(new Date());
            c.add(Calendar.MONTH, -3);
            Date m3 = c.getTime();
            String mon3 = format.format(m3);
            System.out.println("过去三个月:"+mon3);
             
            //过去一年
            c.setTime(new Date());
            c.add(Calendar.YEAR, -1);
            Date y = c.getTime();
            String year = format.format(y);
            System.out.println("过去一年:"+year);
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  • 原文地址:https://www.cnblogs.com/mr-wuxiansheng/p/8922397.html
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