DPAPP/src/main/java/com/example/sso/util/TimeUtils.java

package com.example.sso.util;

import java.util.Calendar;

public class TimeUtils {
    public static Long tim(long currentTimestamp){


        // 创建 Calendar 对象，并设置为当前时间
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeInMillis(currentTimestamp);

        // 将时间往前推 24 小时
        calendar.add(Calendar.HOUR_OF_DAY, -24);

        // 获取前24小时的时间戳
        long previous24HoursTimestamp = calendar.getTimeInMillis();
        return previous24HoursTimestamp;
    }

    public static Long tim4(long currentTimestamp){


        // 创建 Calendar 对象，并设置为当前时间
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeInMillis(currentTimestamp);

        // 将时间往前推 24 小时
        calendar.add(Calendar.HOUR_OF_DAY, -48);

        // 获取前24小时的时间戳
        long previous24HoursTimestamp = calendar.getTimeInMillis();
        return previous24HoursTimestamp;
    }

    public static Long tim2(long currentTimestamp){


        // 创建 Calendar 对象，并设置为当前时间
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeInMillis(currentTimestamp);

        // 将时间往前推 24 小时
        calendar.add(Calendar.HOUR_OF_DAY, -120);

        // 获取前24小时的时间戳
        long previous24HoursTimestamp = calendar.getTimeInMillis();
        return previous24HoursTimestamp;
    }
}