package com.gear.admin.controller.swx;
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import java.sql.Date;
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import java.time.LocalDateTime;
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import java.time.ZoneId;
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import java.time.temporal.ChronoUnit;
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public class test {
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public static void main(String[] args) {
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LocalDateTime now = LocalDateTime.now();
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LocalDateTime threeDaysLater = now.plus(3, ChronoUnit.DAYS);
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System.out.println("当前日期和时间：" + now);
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System.out.println("三天后的日期和时间：" + threeDaysLater);
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System.out.println("date类型："+Date.from(threeDaysLater.atZone(ZoneId.systemDefault()).toInstant()));
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}
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}
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