standard/test3.go

package main

import (
	"fmt"
	"math/rand"
	// "sort"
	"time"
	// "strings"
)

func main() {
	// str := "http://192.168.1.1:8080"
	// str2 := "http://192.168.1.1/wecd"
	// str3 := "http://192.168.1.1/"
	// str4 := "http://192.168.1.1/erreg/tth"
	// fmt.Println(strings.Split(str, "/")[2])
	// fmt.Println(strings.Split(str2, "/")[2])
	// fmt.Println(strings.Split(str3, "/")[2])
	// fmt.Println(strings.Split(str4, "/")[2])
	// //fmt.Println(strings.Split(str, "/")[3])
	// fmt.Println(strings.Split(str2, "/")[3])
	// fmt.Println(strings.Split(str3, "/")[3])
	// fmt.Println(strings.Split(str4, "/")[3:])
	// fmt.Println(strings.Join(strings.Split(str4, "/")[3:], "/"))

	// fmt.Println(len(strings.Split(str, "/")))
	// fmt.Println(len(strings.Split(str2, "/")))
	// fmt.Println(len(strings.Split(str3, "/")))
	// fmt.Println(len(strings.Split(str4, "/")))

	// tt := " 22 34   "
	// fmt.Println(len(tt))
	// fmt.Println("dasdasd", len(strings.Split("2324", " ")))
	// fmt.Printf("%s%s", strings.TrimSpace(tt), "ooooo")
	// fmt.Println(len(strings.TrimSpace(tt)))
	// fmt.Println(1160581.8031 - 328704.2531 - 292244.6031)

	//
	fmt.Println(GetRemainSeconds(), SecondsUntilEndOfDay())
	// fmt.Println(SecondsUntilEndOfDay())

}

func GetRemainSeconds() time.Duration {
	now := time.Now()
	return time.Date(now.Year(), now.Month(), now.Day()+1, 0, 0, 0, 0, now.Location()).Sub(now)
}

func SecondsUntilEndOfDay() time.Duration {
	// 获取当前时间
	now := time.Now()

	// 构造当天的 23:59:59 时间
	endOfDay := time.Date(now.Year(), now.Month(), now.Day(), 23, 59, 59, 0, now.Location())

	// 计算当前时间与 23:59:59 的时间差
	duration := endOfDay.Sub(now)

	// 返回剩余的秒数
	return duration
}

func SelectNumbers(min, max, count, interval int) []int {
	// 生成满足间隔条件的所有数字
	var candidates []int
	for i := min; i <= max; i += interval {
		candidates = append(candidates, i)
	}

	// 如果可选数量不足，调整 count
	if len(candidates) < count {
		count = len(candidates)
	}

	rand.Seed(time.Now().UnixNano())
	rand.Shuffle(len(candidates), func(i, j int) {
		candidates[i], candidates[j] = candidates[j], candidates[i]
	})

	// 直接取前 count 个数字
	return candidates[:count]
}