Java课设基于机器学习开发的分布式系统故障诊断系统源码.zip

package com.utils; import java.lang.management.ManagementFactory; import java.text.ParseException; import java.text.SimpleDateFormat; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import java.util.List; import org.apache.commons.lang3.time.DateFormatUtils; /** * 时间工具类 * * @author yuezejian */ public class DateUtils extends org.apache.commons.lang3.time.DateUtils { public static String YYYY = "yyyy"; public static String YYYY_MM = "yyyy-MM"; public static String YYYY_MM_DD = "yyyy-MM-dd"; public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss"; public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss"; //modified by Yue Zejian 2021/7/26 public static String HH_MM_SS = "HH:mm:ss"; private static String[] parsePatterns = { "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM", "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM", "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"}; /** * 获取当前Date型日期 * * @return Date() 当前日期 */ public static Date getNowDate() { return new Date(); } /** * 获取当前日期, 默认格式为yyyy-MM-dd * * @return String */ public static String getDate() { return dateTimeNow(YYYY_MM_DD); } /** * 获取当前日期, 默认格式为yyyy-MM-dd * * @return String */ public static String getDate(Date date) { return dateTimeNow(YYYY_MM_DD, date); } public static final String getTime() { return dateTimeNow(YYYY_MM_DD_HH_MM_SS); } public static final String dateTimeNow() { return dateTimeNow(YYYYMMDDHHMMSS); } public static final String dateTimeNow(final String format) { return parseDateToStr(format, new Date()); } public static final String dateTimeNow(final String format, Date date) { return parseDateToStr(format, date); } public static final String dateTime(final Date date) { return parseDateToStr(YYYY_MM_DD, date); } public static String toStandardDateString ( Date date) { return parseDateToStr(YYYY_MM_DD_HH_MM_SS,date); } public static final String parseDateToStr(final String format, final Date date) { return new SimpleDateFormat(format).format(date); } public static final Date dateTime(final String format, final String ts) { try { return new SimpleDateFormat(format).parse(ts); } catch (ParseException e) { throw new RuntimeException(e); } } /** * 日期路径 即年/月/日 如2018/08/08 */ public static final String datePath() { Date now = new Date(); return DateFormatUtils.format(now, "yyyy/MM/dd"); } /** * 日期路径 即年/月/日 如20180808 */ public static final String dateTime() { Date now = new Date(); return DateFormatUtils.format(now, "yyyyMMdd"); } /** * 日期型字符串转化为日期 格式 */ public static Date parseDate(Object str) { if (str == null) { return null; } try { return parseDate(str.toString(), parsePatterns); } catch (ParseException e) { return null; } } /** * 获取服务器启动时间 */ public static Date getServerStartDate() { long time = ManagementFactory.getRuntimeMXBean().getStartTime(); return new Date(time); } /** * 计算两个时间差 */ public static String getDatePoor(Date endDate, Date nowDate) { long nd = 1000 * 24 * 60 * 60; long nh = 1000 * 60 * 60; long nm = 1000 * 60; // long ns = 1000; // 获得两个时间的毫秒时间差异 long diff = endDate.getTime() - nowDate.getTime(); // 计算差多少天 long day = diff / nd; // 计算差多少小时 long hour = diff % nd / nh; // 计算差多少分钟 long min = diff % nd % nh / nm; // 计算差多少秒//输出结果 // long sec = diff % nd % nh % nm / ns; return day + "天" + hour + "小时" + min + "分钟"; } /** * 根据具体年份周数获取日期范围 * @param year 年份 * @param week 周数 * @param targetNum 第几天开始 * @return */ public static List<String> getWeekDays(int year, int week, int targetNum) { // 计算目标周数 if (week + targetNum > 52) { year++; week += targetNum - 52; } else if (week + targetNum <= 0) { year--; week += targetNum + 52; } else { week += targetNum; } SimpleDateFormat sdf=new SimpleDateFormat(YYYY_MM_DD); Calendar cal=Calendar.getInstance(); // 设置每周的开始日期 cal.setFirstDayOfWeek(Calendar.SUNDAY); cal.set(Calendar.YEAR, year); cal.set(Calendar.WEEK_OF_YEAR, week); cal.set(Calendar.DAY_OF_WEEK, cal.getFirstDayOfWeek()); String beginDate = sdf.format(cal.getTime()); cal.add(Calendar.DAY_OF_WEEK, 6 ); String endDate = sdf.format(cal.getTime()); List<String> list = new ArrayList<>(); list.add(beginDate); list.add(endDate); return list; } /** * 校验开始时间是否大于结束时间 * * @param startTime 开始时间字符串 * @param endTime 结束时间字符串 * @param format 格式 * @auther Yue Zejian 2021/7/26 * @return */ public static boolean checkTimeRange(String startTime, String endTime, String format) { try { SimpleDateFormat sdf = new SimpleDateFormat(format); Date startDate = null; Date endDate = null; startDate = sdf.parse(startTime); endDate = sdf.parse(endTime); if (startDate.after(endDate)) { //startDate是否在endTime之后，为true 表示 startTime>endTime return true; } else { return false; } /* if (startDate.getTimee()>endDate.getEndTime()) { //判断时间戳 return true; } else { return false; }*/ } catch (Exception e) { e.printStackTrace(); } return false; } /** * 获取当前时间，日期以1970/1/1 存储 * @auther Yue Zejian 2021/7/26 * @return */ public static Date getNowTime() { String str = DateUtils.getNowDate().toString(); String time = str.split(" ")[3]; return dateTime(HH_MM_SS,time); } /** * 将特定时间，日期以1970/1/1 存储 * @auther Yue Zejian 2021/7/26 * @return */ public static Date getNowTime(Date date) { String str = date.toString(); String time = str.split(" ")[3]; return dateTime(HH_MM_SS,time); } /** * 在日期时间基础上增加N分钟 * @param date 时间基础 * @param nMinutes 增加的分钟数 * @return */ public static Date addMinutes2Date(Date date, int nMinutes){ Calendar cal = Calendar.getInstance(); cal.setTime(date); // 24小时制 cal.add(Calendar.MINUTE, nMinutes); return cal.getTime(); } public static Date getCurrentNoonTime() { Calendar calendar =Calendar.getInstance(); calendar.set(1970,1,1,12,0,0); Date date=calendar.getTime(); return date; } public static Date getDateByStandar