客户端及服务端_网页访问

(base) localhost:~ ligaijiang$ python --version
Python 3.7.0
(base) localhost:~ ligaijiang$ python3 --version
Python 3.7.1
(base) localhost:~ ligaijiang$ cd /Users/ligaijiang/FullStackDeveloper/html
(base) localhost:html ligaijiang$ ls
This is my first HTML.html    white hat.jpg
style.css
(base) localhost:html ligaijiang$ python3 -m http.server 9999    #架构第一台服务器
#     打开网址输入：http://localhost:9999
Serving HTTP on 0.0.0.0 port 9999 (http://0.0.0.0:9999/) ...
127.0.0.1 - - [07/Apr/2020 16:34:00] "GET / HTTP/1.1" 200 -
127.0.0.1 - - [07/Apr/2020 16:34:00] code 404, message File not found
127.0.0.1 - - [07/Apr/2020 16:34:00] "GET /favicon.ico HTTP/1.1" 404 -
127.0.0.1 - - [07/Apr/2020 16:34:26] "GET /This%20is%20my%20first%20HTML.html HTTP/1.1" 200 -
127.0.0.1 - - [07/Apr/2020 16:34:26] "GET /style.css HTTP/1.1" 200 -
127.0.0.1 - - [07/Apr/2020 16:34:26] "GET /white%20hat.jpg HTTP/1.1" 200 -
127.0.0.1 - - [07/Apr/2020 16:35:50] "GET /This%20is%20my%20first%20HTML.html HTTP/1.1" 200 -
127.0.0.1 - - [07/Apr/2020 16:36:17] "GET /This%20is%20my%20first%20HTML.html HTTP/1.1" 200 -
127.0.0.1 - - [07/Apr/2020 16:36:32] "GET / HTTP/1.1" 200 -
127.0.0.1 - - [07/Apr/2020 16:37:03] "GET / HTTP/1.1" 200 -