#!/bin/bash
echo "显示星期简称(如:Sun)"
date +%a # 二
echo "显示星期全称(如:Sunday)"
date +%A # 星期二
echo "显示月份简称(如:Jan)"
date +%b # 3月
echo "显示月份全称(如:January)"
date +%B # 三月
echo "显示数字月份(如:12)"
date +%m # 03
echo "显示数字日期(如:01 号)"
date +%d # 12
echo "显示数字年(如:01 号)"
date +%Y # 2019
echo "显示年-月-日"
date +%F # 2019-03-12
echo "显示小时(24 小时制)"
date +%H # 18
echo "显示分钟(00..59)"
date +%M # 57
echo "显示秒"
date +%S # 43
echo "显示纳秒"
date +%N # 834016051
echo "组合显示"
date +"%Y%m%d %H:%M:%S" # 20190312 18:57:43