看到一篇关于时间戳的文章, 简洁明了.

补充一下...

PHP 时间戳

Oracle 时间戳

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

Go 时间戳

package mainimport (    "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

date# Wed Apr  3 14:18:48 CST 2019date +%s# 1554272342date -d @$(date +%s)# Wed Apr  3 14:19:23 CST 2019

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    }}