本文实例为大家分享了java切割日期时间段代码,供大家参考,具体内容如下
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/**
* @author dy
* @since 2016-09-18 & JDK 1.8.0_91
*/
public class DateCalculate {
static Logger logger = LoggerFactory.getLogger(DateCalculate. class );
/**
* 切割时间段
*
* @param dateType 交易类型 M/D/H/N -->每月/每天/每小时/每分钟
* @param start yyyy-MM-dd HH:mm:ss
* @param end yyyy-MM-dd HH:mm:ss
* @return
*/
public static List<String> cutDate(String dateType, String start, String end) {
try {
SimpleDateFormat sdf = new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss" );
Date dBegin = sdf.parse(start);
Date dEnd = sdf.parse(end);
return findDates(dateType, dBegin, dEnd);
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
return null ;
}
public static List<String> findDates(String dateType, Date dBegin, Date dEnd) throws Exception {
List<String> listDate = new ArrayList<>();
Calendar calBegin = Calendar.getInstance();
calBegin.setTime(dBegin);
Calendar calEnd = Calendar.getInstance();
calEnd.setTime(dEnd);
while (calEnd.after(calBegin)) {
switch (dateType) {
case "M" :
calBegin.add(Calendar.MONTH, 1 );
break ;
case "D" :
calBegin.add(Calendar.DAY_OF_YEAR, 1 ); break ;
case "H" :
calBegin.add(Calendar.HOUR, 1 ); break ;
case "N" :
calBegin.add(Calendar.SECOND, 1 ); break ;
}
if (calEnd.after(calBegin))
listDate.add( new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss" ).format(calBegin.getTime()));
else
listDate.add( new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss" ).format(calEnd.getTime()));
}
return listDate;
}
public static void main(String[] args) {
String start = "2016-02-01 00:00:00" ;
String end = "2016-03-02 00:00:00" ;
List<String> list = cutDate( "D" , start, end);
for (String str :list){
System.out.println(str);
}
}
}
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。