zookeeper python接口实例详解
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2023-03-22
java 获取日期的几天前,几个月前和几年前的实例
java 获取日期的几天前,几个月前和几年前的实例
实例如下：
package bys.utils;
import java.util.Date;
/**
* Created by toutou on 2015/3/23.
*/
public class DateHelper {
public static final long ONE_MINUTE = 60000L;
public static final long ONE_HOUR = 3600000L;
public static final long ONE_DAY = 86400000L;
public static final long ONE_WEEK = 604800000L;
private static final String ONE_SECOND_AGO = "秒前";
private static final String ONE_MINUTE_AGO = "分钟前";
private static final String ONE_HOUR_AGO = "小时前";
private static final String ONE_DAY_AGO = "天前";
private static final String ONE_MONTH_AGO = "月前";
private static final String ONE_YEAR_AGO = "年前";
private static long toSeconds(long date) {
return date / 1000L;
}
private static long toMinutes(long date) {
return toSeconds(date) / 60L;
}
private static long toHours(long date) {
return toMinutes(date) / 60L;
}
private static long toDays(long date) {
return toHours(date) / 24L;
}
private static long toMonths(long date) {
return toDays(date) / 30L;
}
private static long toYears(long date) {
return toMonths(date) / 365L;
}
public static String getPastTime(Date date) {
long delta = new Date().getTime() - date.getTime();
if (delta < 1L * ONE_MINUTE) {
long seconds = toSeconds(delta);
return (seconds <= 0 ? 1 : seconds) + ONE_SECOND_AGO;
}
if (delta < 45L * ONE_MINUTE) {
long minutes = toMinutes(delta);
return (minutes <= 0 ? 1 : minutes) + ONE_MINUTE_AGO;
}
if (delta < 24L * ONE_HOUR) {
long houguUDvYwmTTrs = toHours(delta);
return (hours <= 0 ? 1 : hours) + ONE_HOUR_AGO;
}
if (delta < 48L * ONE_HOUR) {
return "昨天";
}
if (http://delta < 30L * ONE_DAY) {
long days = toDays(delta);
return (days <= 0 ? 1 : days) + ONE_DAY_AGO;
}
if (delta < 12L * 4L * ONE_WEEK) {
long months = toMonths(delta);
return (months <= 0 ? 1 : months) + ONE_MONTH_AGO;
} else {
long years = toYears(delta);
return (years <= 0 ? 1 : years) + ONE_YEAR_AGO;
}
}
}
调用示例：
String time = DateHelper.getPastTime(Date.from(item.getCreateTime().atZone(ZoneId.systemDefault()).toInstant()));
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