时间戳

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PHP 时间戳

PHP 时间戳

<?php
// 输出当前时间戳 
echo time();

echo "\n";
echo "时间戳长度=".strlen(time()); // 时间戳长度=10

Oracle 时间戳

--select sysdate from dual;
select systimestamp from dual;

Go 时间戳

Go 时间戳

package main
import (
    "fmt" 
    "strconv"   
    "time"    
)
func main () {
    timestamp := time.Now().Unix()

	fmt.Println("当前时间戳=",timestamp)
    fmt.Println("时间戳长度=",len(strconv.FormatInt(timestamp, 10))) // 时间戳长度= 10
}

Shell/Bash 时间戳

Shell/Bash 时间戳

date
# Wed Apr  3 14:18:48 CST 2019

date +%s
# 1554272342

date -d @$(date +%s)
# Wed Apr  3 14:19:23 CST 2019

Java 时间戳

Java 时间戳

class Main {
	public static void main(String[] args) {
        long timestamp = System.currentTimeMillis();
        int timestampLength = (timestamp + "").length();
		System.out.printf("当前时间戳=%s", timestamp);
        System.out.println();        
        System.out.printf("时间戳长度=%s", timestampLength); // 13位
	}
}
posted @ 2019-04-03 15:08  taadis  阅读(396)  评论(0编辑  收藏  举报