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DateUtils
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145 lines (128 loc) · 3.81 KB
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import java.time.Duration;
import java.util.Calendar;
import java.util.Date;
/**
* 时间工具类
*
* @author 芋道源码
*/
public class DateUtils {
/**
* 时区 - 默认
*/
public static final String TIME_ZONE_DEFAULT = "GMT+8";
/**
* 秒转换成毫秒
*/
public static final long SECOND_MILLIS = 1000;
public static final String FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND = "yyyy-MM-dd HH:mm:ss";
public static Date addTime(Duration duration) {
return new Date(System.currentTimeMillis() + duration.toMillis());
}
public static boolean isExpired(Date time) {
return System.currentTimeMillis() > time.getTime();
}
public static long diff(Date endTime, Date startTime) {
return endTime.getTime() - startTime.getTime();
}
/**
* 创建指定时间
*
* @param year 年
* @param mouth 月
* @param day 日
*
* @return 指定时间
*/
public static Date buildTime(int year, int mouth, int day) {
return buildTime(year, mouth, day, 0, 0, 0);
}
/**
* 创建指定时间
*
* @param year 年
* @param mouth 月
* @param day 日
* @param hour 小时
* @param minute 分钟
* @param second 秒
*
* @return 指定时间
*/
public static Date buildTime(int year, int mouth, int day, int hour, int minute, int second) {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, mouth - 1);
calendar.set(Calendar.DAY_OF_MONTH, day);
calendar.set(Calendar.HOUR_OF_DAY, hour);
calendar.set(Calendar.MINUTE, minute);
calendar.set(Calendar.SECOND, second);
calendar.set(Calendar.MILLISECOND, 0); // 一般情况下,都是 0 毫秒
return calendar.getTime();
}
public static Date max(Date a, Date b) {
if (a == null) {
return b;
}
if (b == null) {
return a;
}
return a.compareTo(b) > 0 ? a : b;
}
public static boolean beforeNow(Date date) {
return date.getTime() < System.currentTimeMillis();
}
public static boolean afterNow(Date date) {
return date.getTime() >= System.currentTimeMillis();
}
/**
* 计算当期时间相差的日期
*
* @param field 日历字段.<br/>eg:Calendar.MONTH,Calendar.DAY_OF_MONTH,<br/>Calendar.HOUR_OF_DAY等.
* @param amount 相差的数值
*
* @return 计算后的日志
*/
public static Date addDate(int field, int amount) {
return addDate(null, field, amount);
}
/**
* 计算当期时间相差的日期
*
* @param date 设置时间
* @param field 日历字段 例如说,{@link Calendar#DAY_OF_MONTH} 等
* @param amount 相差的数值
*
* @return 计算后的日志
*/
public static Date addDate(Date date, int field, int amount) {
if (amount == 0) {
return date;
}
Calendar c = Calendar.getInstance();
if (date != null) {
c.setTime(date);
}
c.add(field, amount);
return c.getTime();
}
/**
* 获取时间天时分秒
*
* @param time 时间
*
* @return 返回数据
*/
public static String getTime(Long time) {
try {
long day = time / (24 * 60 * 60 * 1000);
long hour = (time / (60 * 60 * 1000) - day * 24);
long min = ((time / (60 * 1000)) - day * 24 * 60 - hour * 60);
long s = (time / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
return day + "天" + hour + "小时" + min + "分" + s + "秒";
} catch (Exception e) {
e.printStackTrace();
throw e;
}
}
}