计算日期之间的年/月/日

from datetime import datetime, timedelta

# 定义起始日期和结束日期
start_date = datetime(2022, 1, 1)
end_date = datetime(2022, 3, 1)

# 计算日期差
date_diff = end_date - start_date

# 输出结果
print(f"日期差为：{date_diff.days}天")

import java.time.LocalDate;
import java.time.Period;

public class DateDiff {
    public static void main(String[] args) {
        // 定义起始日期和结束日期
        LocalDate startDate = LocalDate.of(2022, 1, 1);
        LocalDate endDate = LocalDate.of(2022, 3, 1);

        // 计算日期差
        Period period = Period.between(startDate, endDate);

        // 输出结果
        System.out.printf("日期差为：%d年%d月%d天", period.getYears(), period.getMonths(), period.getDays());
    }
}

// 定义起始日期和结束日期
const startDate = new Date(2022, 0, 1);
const endDate = new Date(2022, 2, 1);

// 计算日期差
const dateDiff = Math.floor((endDate - startDate) / (1000 * 60 * 60 * 24));

// 输出结果
console.log(`日期差为：${dateDiff}天`);