package org.sxkj.common.utils;
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import org.sxkj.common.enums.DateEnum;
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import java.time.DayOfWeek;
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import java.time.LocalDateTime;
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import java.time.ZoneId;
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import java.util.Date;
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public class DateUtils {
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/**
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* 判断两个时间是否跨日、跨月或跨年
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* @param start 开始时间
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* @param end 结束时间
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* @return 返回跨日、跨月或跨年的枚举值
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*/
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public static DateEnum compareDate(LocalDateTime start, LocalDateTime end) {
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if (start.getYear() != end.getYear()) {
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return DateEnum.YEARS;
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} else if (start.getMonthValue() != end.getMonthValue()) {
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return DateEnum.MONTHS;
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} else if (start.getDayOfYear() != end.getDayOfYear()) {
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return DateEnum.DAYS;
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} else {
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return DateEnum.DAYS;
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}
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}
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/**
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* 计算年度周期边界
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* @param maintainTime 维护时间
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* @param ruleMonth 规则月份
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* @param ruleDay 规则日期
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* @return 周期边界 [start, end]
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*/
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public static LocalDateTime[] calculateAnnualCycle(Date maintainTime, int ruleMonth, int ruleDay) {
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LocalDateTime maintainDateTime = maintainTime.toInstant()
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.atZone(ZoneId.systemDefault())
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.toLocalDateTime();
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LocalDateTime currentYearStart = LocalDateTime.of(
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maintainDateTime.getYear(), ruleMonth, ruleDay, 0, 0, 0);
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LocalDateTime currentYearEnd = LocalDateTime.of(
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maintainDateTime.getYear() + 1, ruleMonth, ruleDay, 0, 0, 0);
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// 如果当前年份的规则日期已经过去，则使用下一年的周期
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if (maintainDateTime.isBefore(currentYearStart)) {
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currentYearStart = currentYearStart.minusYears(1);
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currentYearEnd = currentYearEnd.minusYears(1);
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}
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return new LocalDateTime[]{currentYearStart, currentYearEnd};
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}
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/**
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* 计算月度周期边界
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* @param maintainTime 维护时间
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* @param ruleDay 规则日期
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* @return 周期边界 [start, end]
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*/
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public static LocalDateTime[] calculateMonthlyCycle(Date maintainTime, int ruleDay) {
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LocalDateTime maintainDateTime = maintainTime.toInstant()
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.atZone(ZoneId.systemDefault())
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.toLocalDateTime();
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LocalDateTime currentMonthStart = LocalDateTime.of(
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maintainDateTime.getYear(), maintainDateTime.getMonthValue(), ruleDay, 0, 0, 0);
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LocalDateTime currentMonthEnd = currentMonthStart.plusMonths(1);
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// 如果当前月份的规则日期已经过去，则使用下个月的周期
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if (maintainDateTime.isBefore(currentMonthStart)) {
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currentMonthStart = currentMonthStart.minusMonths(1);
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currentMonthEnd = currentMonthEnd.minusMonths(1);
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}
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return new LocalDateTime[]{currentMonthStart, currentMonthEnd};
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}
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/**
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* 计算周度周期边界
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* @param maintainTime 维护时间
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* @param ruleDayOfWeek 规则星期几（1-7）
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* @return 周期边界 [start, end]
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*/
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public static LocalDateTime[] calculateWeeklyCycle(Date maintainTime, int ruleDayOfWeek) {
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LocalDateTime maintainDateTime = maintainTime.toInstant()
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.atZone(ZoneId.systemDefault())
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.toLocalDateTime();
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DayOfWeek currentDayOfWeek = maintainDateTime.getDayOfWeek();
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int daysDiff = currentDayOfWeek.getValue() - ruleDayOfWeek;
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if (daysDiff < 0) daysDiff += 7; // 确保差值为正
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LocalDateTime weekStart = maintainDateTime.minusDays(daysDiff);
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LocalDateTime weekEnd = weekStart.plusWeeks(1);
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return new LocalDateTime[]{weekStart, weekEnd};
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}
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/**
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* 判断维护时间是否在周期内
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* @param maintainTime 维护时间
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* @param cycleStart 周期开始时间
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* @param cycleEnd 周期结束时间
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* @return 是否在周期内
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*/
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public static boolean isMaintainTimeInCycle(Date maintainTime, LocalDateTime cycleStart, LocalDateTime cycleEnd) {
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LocalDateTime maintainDateTime = maintainTime.toInstant()
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.atZone(ZoneId.systemDefault())
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.toLocalDateTime();
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return !maintainDateTime.isBefore(cycleStart) && maintainDateTime.isBefore(cycleEnd);
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}
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/**
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* 获取星期几的数字表示
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* @param weekday 星期几字符串
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* @return 数字表示（1-7）
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*/
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public static int getDayOfWeekNumber(String weekday) {
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switch (weekday) {
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case "星期日": return 1;
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case "星期一": return 2;
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case "星期二": return 3;
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case "星期三": return 4;
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case "星期四": return 5;
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case "星期五": return 6;
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case "星期六": return 7;
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default: return 1; // 默认为星期日
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}
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}
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}
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