时间格式转换是项目中频繁用到的，以下总结了一些实用的方法。
import java.text.SimpleDateFormat
import java.util.{Calendar, Date, Locale}
import org.joda.time.DateTime
object TimeUtils {
/**
* 一个小时的毫秒值
*/
final val ONE_HOUR_MILLISECONDS = 60 * 60 * 1000
/**
* yyyy-MM-dd HH:mm
*/
final val MINUTE_DATE_FORMAT = "yyyy-MM-dd HH:mm"
/**
* 5分钟的毫秒值
*/
final val FIVE_MINUTE_MILLISECONDS = 5 * 60 * 1000
/**
* yyyy-MM-dd HH:mm:ss
*/
final val SECOND_DATE_FORMAT = "yyyy-MM-dd HH:mm:ss"
final val SECOND_DATE_ZN_FORMAT = "yyyy年MM月dd日 HH:mm:ss"
/**
* yyyy-MM-dd
*/
final val DAY_DATE_FORMAT_ONE = "yyyy-MM-dd"
/**
* yyyyMMdd
*/
final val DAY_DATE_FORMAT_TWO = "yyyyMMdd"
/**
* yyyyMMddHHmm
*/
final val dAY_DATE_FORMAT_THREE = "yyyyMMddHHmm"
def getYesterdayTime(): (Long, Long) = {
val calendar = Calendar.getInstance
calendar.setTime(new Date(System.currentTimeMillis))
calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 0, 0, 0)
val beginTime = ((calendar.getTimeInMillis - Constant.DAY_TIME_SECOND) / 1000) * 1000
calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 23, 59, 59)
val endTime = ((calendar.getTimeInMillis - Constant.DAY_TIME_SECOND) / 1000) * 1000
(beginTime, endTime)
}
/**
* 时间戳=>字符串
*/
def convertTimeStamp2DateStr(timestamp: Long, pattern: String): String = {
new DateTime(timestamp).toString(pattern)
}
def getToday(): String = {
DateTime.now().toString(Constant.DAY_FORMAT_STR)
}
def getYesterday(): String = {
DateTime.now().minusDays(1).toString(Constant.DAY_FORMAT_STR)
}
def getTomorrow(): String = {
DateTime.now().plusDays(1).toString(Constant.DAY_FORMAT_STR)
}
def getPreDayByDate(date: Long, dayMin: Int): String = {
val dt = new DateTime(date)
dt.minusDays(dayMin).toString(Constant.DAY_FORMAT_STR)
}
def getPreHourByDate(dateStr: String, pattern: String, hourMin: Int): String = {
val dt = convertDateStr2Date(dateStr, pattern)
dt.minusHours(hourMin).toString(Constant.Second_FORMAT_STR)
}
def getGapTimeBetweenNowAndEndOfDay(): Int = {
val now = DateTime.now().getMillis
val dt = new DateTime(getTomorrow)
val end = dt.withTimeAtStartOfDay().getMillis - 1
(end - now).toInt / 1000
}
/**
* 时间字符串=>时间戳
*/
def convertDateStr2TimeStamp(dateStr: String, pattern: String): Long = {
new SimpleDateFormat(pattern).parse(dateStr).getTime
}
/**
* 时间字符串=>日期
*/
def convertDateStr2Date(dateStr: String, pattern: String): DateTime = {
new DateTime(new SimpleDateFormat(pattern).parse(dateStr))
}
/**
* 时间戳=>日期
*/
def convertTimeStamp2Date(timestamp: Long): DateTime = {
new DateTime(timestamp)
}
/**
* 时间戳=>小时数
*/
def convertTimeStamp2Hour(timestamp: Long): Long = {
new DateTime(timestamp).hourOfDay().getAsString().toLong
}
/**
* 时间戳=>分钟数
*/
def convertTimeStamp2Minute(timestamp: Long): Long = {
new DateTime(timestamp).minuteOfHour().getAsString().toLong
}
/**
* 时间戳=>秒数
*/
def convertTimeStamp2Sec(timestamp: Long): Long = {
new DateTime(timestamp).secondOfMinute().getAsString.toLong
}
/**
* 时间戳=>毫秒
*/
def convertTimeStamp2mil(timestamp: Long): Long = {
new DateTime(timestamp).millisOfSecond().getAsString.toLong
}
/**
* 时间=>字符串
*/
def Time2TimeStr(date: Date, pattern: String): String = {
new SimpleDateFormat(pattern).format(date)
}
def getCurrentTime: Long = {
val currentTime = System.currentTimeMillis()
(currentTime - (currentTime % FIVE_MINUTE_MILLISECONDS)) / 1000
}
/**
* 例如: 2 --> 02
*/
def addZero(hourOrMin: String): String = {
if (hourOrMin.toInt <= 9)
"0" + hourOrMin
else
hourOrMin
}
/**
* 例如：02 --> 2
*/
def delZero(hourOrMin: String): String = {
var res = hourOrMin
if (!hourOrMin.equals("0") && hourOrMin.startsWith("0"))
res = res.replaceAll("^0", "")
res
}
/**
* yyyy-MM-dd --> yyyyMMdd
*/
def dateStrPatternOne2Two(time: String): String = {
TimeUtils.convertTimeStamp2DateStr(TimeUtils.convertDateStr2TimeStamp(time, TimeUtils
.DAY_DATE_FORMAT_ONE), TimeUtils.DAY_DATE_FORMAT_TWO)
}
/**
* 获取星期几
*/
def dayOfWeek(dateStr: String): Int = {
val sdf = new SimpleDateFormat("yyyy-MM-dd")
val date = sdf.parse(dateStr)
// val sdf2 = new SimpleDateFormat("EEEE")
// sdf2.format(date)
val cal = Calendar.getInstance();
cal.setTime(date);
var w = cal.get(Calendar.DAY_OF_WEEK) - 1;
//星期天 默认为0
if (w <= 0)
w = 7
w
}
/**
* 判断是否是周末
*/
def isRestday(date: String): Boolean = {
val dayNumOfWeek = dayOfWeek(date)
dayNumOfWeek == 6 || dayNumOfWeek == 7
}
/**
* 2019-03-04T09:08:21.288Z 转成 2019-03-04 09:08:27
* @param time
* @return
*/
def getNormalTime(time: String): String = {
val sdf1 = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX")
val sdf2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")
val date = sdf1.parse(time)
val str = sdf2.format(date)
str
}
def getLocalTime(time: String): String = {
var result = ""
if(time.contains("Z")) {
result = time.replace("Z", "") + "+0800"
}
result
}
/**
*
* 2019-03-04T09:08:26.994Z 转成北京时间 kibana
* @param time
* @return
*/
def getCNTime(time: String): String = {
val sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX")
val date = sdf.parse(time)
val df = new SimpleDateFormat ("EEE MMM dd HH:mm:ss Z yyyy", Locale.UK)
val date2 = df.parse(date.toString)
val res = sdf.format(date2)
res
}
}
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