一覺睡到小時候

#!/bin/bash # init centos7 ./centos7-init.sh 主機(jī)名 # 檢查是否為root用戶，腳本必須在root權(quán)限下運(yùn)行 if [[ "$(whoami)" != "root" ]]; then echo "please run this script as root !" >&2 exit 1 fi ech...

Redis常用的數(shù)據(jù)類型StringHashListSetzSetSorted setString類型判斷是否有key所對應(yīng)的值，有則返回true，沒有則返回falseredisTemplate.hasKey(key)有則取出key值所對應(yīng)的值redisTemplate.opsForValue().get(key)刪...

File轉(zhuǎn)Base64public?static?String?file2Base64(File?file)?{????????if(file==null)?{????????????return?null;????????}????????String?base64?=?null;????????FileInputStream?fin?=?null;????????try?{?????????...