java 日期比较大小 after before equals

after(Date when): 判断当前日期是否在指定日期之后。
before(Date when): 判断当前日期是否在指定日期之前。
equals(Object obj): 判断两个日期是否相等。

	//发生时间区间校验
		if(StrUtil.isNotEmpty(legalserviceDisputeMediation.getOccurTimeS()) && StrUtil.isNotEmpty(legalserviceDisputeMediation.getOccurTimeE())){
			DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
			LocalDateTime lDateS = LocalDateTime.parse(legalserviceDisputeMediation.getOccurTimeS(), formatter);
			LocalDateTime lDateE = LocalDateTime.parse(legalserviceDisputeMediation.getOccurTimeE(), formatter);
			if(lDateS.isAfter(lDateE)) return R.failed("”发生时间起“应小于“发生时间止”");
		}

https://blog.51cto.com/u_16213367/11699159

https://blog.csdn.net/qq_44349518/article/details/146977390