package com.ruoyi.project.common;
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import java.time.LocalDate;
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import java.time.Period;
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import java.time.temporal.ChronoUnit;
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import java.util.HashMap;
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import java.util.Map;
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public class CalculateDateUtils {
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public static Map<String, String> calculateAge(LocalDate birthdate, LocalDate today) {
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if (birthdate == null || today.isBefore(birthdate)) {
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return null;
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}
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Map<String, String> ageMap = new HashMap<>();
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Period period = Period.between(birthdate, today);
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long totalDays = ChronoUnit.DAYS.between(birthdate, today);
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long totalMonths = ChronoUnit.MONTHS.between(birthdate, today);
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int years = period.getYears();
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int months = period.getMonths();
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int days = period.getDays();
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String ageUnit;
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Integer age;
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String ageUnit2 = null;
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Integer age2 = null;
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if (totalDays < 30) {
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// 小于 1 个月，按天计算
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ageUnit = "天";
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age = (int) totalDays;
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ageMap.put("age", age != null ? age.toString() : null);
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ageMap.put("ageUnit", ageUnit);
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ageMap.put("age2", null);
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ageMap.put("ageUnit2", null);
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} else if (totalMonths < 12) {
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// 小于 一年，按月 + 天计算
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ageUnit = "月";
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age = (int) totalMonths;
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ageUnit2 = "天";
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age2 = days;
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ageMap.put("age", age != null ? age.toString() : null);
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ageMap.put("ageUnit", ageUnit);
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ageMap.put("age2", age2 != null ? age2.toString() : null);
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ageMap.put("ageUnit2", ageUnit2);
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} else {
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// 大于等于 一年，按年 + 月计算
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ageUnit = "岁";
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age = years;
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ageUnit2 = "月";
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age2 = months;
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ageMap.put("age", age != null ? age.toString() : null);
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ageMap.put("ageUnit", ageUnit);
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ageMap.put("age2", age2 != null ? age2.toString() : null);
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ageMap.put("ageUnit2", ageUnit2);
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}
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return ageMap;
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}
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}
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