（推荐）http://patorjk.com/software/taag
http://www.network-science.de/ascii/
http://www.degraeve.com/img2txt.php
http://life.chacuo.net/convertfont2char
------------------doom
_____ _
/ ___| | |
\ `--. _ __ _ __ ___ _ _ | |_
`--. \ | '_ \ | '__| / _ \ | | | | | __|
/\__/ / | |_) | | | | (_) | | |_| | | |_
\____/ | .__/ |_| \___/ \__,_| \__|
| |
|_|
---------------slant
_____ __
/ ___/ ____ _____ ____ __ __ / /_
\__ \ / __ \ / ___/ / __ \ / / / / / __/
___/ / / /_/ / / / / /_/ / / /_/ / / /_
/____/ / .___/ /_/ \____/ \__,_/ \__/
/_/
---------standard
____ _
/ ___| _ __ _ __ ___ _ _ | |_
\___ \ | '_ \ | '__| / _ \ | | | | | __|
___) | | |_) | | | | (_) | | |_| | | |_
|____/ | .__/ |_| \___/ \__,_| \__|
|_|
---------------lvrit
____ _
/ ___| _ __ _ __ ___ _ _ | |_
\___ \ | '_ \ | '__| / _ \ | | | | | __|
___) | | |_) | | | | (_) | | |_| | | |_
|____/ | .__/ |_| \___/ \__,_| \__|
|_|
------------rounded
______
/ _____) _
( (____ ____ ____ ___ _ _ _| |_
\____ \ | _ \ / ___) / _ \ | | | | (_ _)
_____) ) | |_| | | | | |_| | | |_| | | |_
(______/ | __/ |_| \___/ |____/ \__)
|_|
参考：
https://blog.csdn.net/qq_31708763/article/details/119712041