带有时间戳宏的每月第一天和最后几天

// 获取当前日期
var currentDate = new Date();

// 获取每月第一天的时间戳
var firstDayOfMonth = new Date(currentDate.getFullYear(), currentDate.getMonth(), 1).getTime() / 1000;

// 获取每月最后一天的时间戳
var lastDayOfMonth = new Date(currentDate.getFullYear(), currentDate.getMonth() + 1, 0).getTime() / 1000;

console.log("每月第一天的时间戳：" + firstDayOfMonth);
console.log("每月最后一天的时间戳：" + lastDayOfMonth);

import datetime

# 获取当前日期
current_date = datetime.datetime.now()

# 获取每月第一天的时间戳
first_day_of_month = datetime.datetime(current_date.year, current_date.month, 1).timestamp()

# 获取每月最后一天的时间戳
last_day_of_month = datetime.datetime(current_date.year, current_date.month + 1, 1) - datetime.timedelta(days=1)
last_day_of_month = last_day_of_month.timestamp()

print("每月第一天的时间戳：", first_day_of_month)
print("每月最后一天的时间戳：", last_day_of_month)

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneOffset;

// 获取当前日期时间
LocalDateTime currentDateTime = LocalDateTime.now();

// 获取每月第一天的时间戳
LocalDateTime firstDayOfMonth = LocalDateTime.of(currentDateTime.getYear(), currentDateTime.getMonth(), 1, 0, 0, 0);
long firstDayOfMonthTimestamp = firstDayOfMonth.toEpochSecond(ZoneOffset.UTC);

// 获取每月最后一天的时间戳
LocalDateTime lastDayOfMonth = LocalDateTime.of(currentDateTime.getYear(), currentDateTime.getMonth(), currentDateTime.getMonth().maxLength(), 23, 59, 59);
long lastDayOfMonthTimestamp = lastDayOfMonth.toEpochSecond(ZoneOffset.UTC);

System.out.println("每月第一天的时间戳：" + firstDayOfMonthTimestamp);
System.out.println("每月最后一天的时间戳：" + lastDayOfMonthTimestamp);