看到一篇关于时间戳的文章, 简洁明了.
补充一下...
PHP 时间戳
<?php
// 输出当前时间戳
echo time();
echo "
";
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
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
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
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
}
}