java 两个时间段重叠校验判断2个时间段是否重合

水深无声 2022-10-29 01:58 512阅读 0赞

public static void main(String[] args) {
    
        try {
          SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
          Date start1 = sf.parse("2019-05-23 22:31:00");
          Date end1 =   sf.parse("2019-05-23 22:31:57");
          System.out.println("result = " + compareTwoTime(start1,end1));
          System.out.println("***正确***");
    
          Date start2 = sf.parse("2019-05-23 22:38:58");
          Date end2 =   sf.parse("2019-05-23 22:32:55");
          System.out.println("result = " +compareTwoTime(start2,end2));
          System.out.println("***错误***");
        }catch (Exception e){
    
        }
    
    
        try {
          SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
          Date start1 = sf.parse("2019-04-23 22:31:00");
          Date end1 =   sf.parse("2019-04-23 22:31:57");
    
          Date start2 = sf.parse("2019-04-23 22:31:58");
          Date end2 =   sf.parse("2019-04-23 22:32:55");
          System.out.println(compareTwoTime(start1,end1,start2,end2));
          System.out.println("==========");
        }catch (Exception e){
    
        }
      }
    
      public static Boolean compareTwoTime(Date startOne,Date endOne,Date startTwo,Date endTwo){
          //after 当start1小于等于end2时返回flase  before end1大于等于start2返回flase
          if ((!startOne.after(endTwo))&&(!endOne.before(startTwo))){
            System.out.println("时间重叠");
            //时间重叠
            return true;
          }
          System.out.println("时间不重叠");
          //时间不重叠
          return false;
      }
    
    
      public static Boolean compareTwoTime(Date startOne,Date endOne ){
          //after 当start1小于等于end2时返回flase  before end1大于等于start2返回flase
          Boolean flag  =  startOne.after(endOne);
          System.out.println("flag = "+flag);
          if(flag) {
            System.out.println("Exception 开始时间要小于结束时间！");
            return true;
          }
          System.out.println("正确！");
          return false;
      }

[https://blog.csdn.net/qq\_35761784/article/details/105708698][https_blog.csdn.net_qq_35761784_article_details_105708698]

# java 两个时间段重叠校验 #

![426136e8363e68fc321f3d3551b0d579.png][]

[P\_Q\_L][P_Q_L] 2020-04-23 15:24:14 ![11d4e66b47a786d7307438a15382d44a.png][] 200 ![50c7c045de1e4400c6f27a33ed55cf7c.png][] 收藏

文章标签： [java][]

版权

public static void main(String[] args) {
        try {
            SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd HH:mm");
            Date start1 = sf.parse("2019-04-23 12:31");
            Date end1 = sf.parse("2019-04-23 22:31");
            Date start2 =sf.parse("2019-04-22 12:31");
            Date end2 =sf.parse("2019-04-23 22:31");
            if ((!start1.after(end2))&&(!end1.before(start2))){ //after 当start1小于等于end2时返回flase  beffore end1大于等   //于start2返回flase
                System.out.println("时间重叠");
            }
        }catch (Exception e){
    
        }
    
    }

[https_blog.csdn.net_qq_35761784_article_details_105708698]: https://blog.csdn.net/qq_35761784/article/details/105708698
[426136e8363e68fc321f3d3551b0d579.png]: /images/20221024/fd64ca1cbba44d609e260c83863e1bc4.png
[P_Q_L]: https://blog.csdn.net/qq_35761784
[11d4e66b47a786d7307438a15382d44a.png]: https://img-blog.csdnimg.cn/img_convert/11d4e66b47a786d7307438a15382d44a.png
[50c7c045de1e4400c6f27a33ed55cf7c.png]: /images/20221024/dadbd56c58604c2fa50d1458f5340880.png
[java]: https://www.csdn.net/tags/NtTaIg5sMzYyLWJsb2cO0O0O.html