FLASK学习记录-第一个Flask程序

 

$ pip install flask -i https://pypi.tuna.tsinghua.edu.cn/simple
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting flask
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/93/a6/aa98bfe0eb9b8b15d36cdfd03c8ca86a03968a87f27ce224fb4f766acb23/flask-3.0.2-py3-none-any.whl (101 kB)
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Collecting Werkzeug>=3.0.0 (from flask)
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Collecting Jinja2>=3.1.2 (from flask)
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Collecting itsdangerous>=2.1.2 (from flask)
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/68/5f/447e04e828f47465eeab35b5d408b7ebaaaee207f48b7136c5a7267a30ae/itsdangerous-2.1.2-py3-none-any.whl (15 kB)
Collecting click>=8.1.3 (from flask)
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/00/2e/d53fa4befbf2cfa713304affc7ca780ce4fc1fd8710527771b58311a3229/click-8.1.7-py3-none-any.whl (97 kB)
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Collecting blinker>=1.6.2 (from flask)
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Collecting zipp>=0.5 (from importlib-metadata>=3.6.0->flask)
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Collecting MarkupSafe>=2.0 (from Jinja2>=3.1.2->flask)
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Installing collected packages: zipp, MarkupSafe, itsdangerous, click, blinker, Werkzeug, Jinja2, importlib-metadata, flask
Successfully installed Jinja2-3.1.3 MarkupSafe-2.1.5 Werkzeug-3.0.1 blinker-1.7.0 click-8.1.7 flask-3.0.2 importlib-metadata-7.1.0 itsdangerous-2.1.2 zipp-3.18.1

编写第一个Flask程序

(flask-test1) [ flask-test1]$ vi app.py
from flask import Flask

app=Flask(__name__)

@app.route("/")
def index():
    return "This is index page"

if __name__=='__main__':
    app.run(host='0.0.0.0',port=8000,debug=True)

后台运行
(flask-test1) [dog@iZfkm309huj7srZ flask-test1]$ nohup python app.py &

查看日志
(flask-test1) [dog@iZfkm309huj7srZ flask-test1]$ tail -f nohup.out
 * Serving Flask app 'app'
 * Debug mode: on
WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
 * Running on all addresses (0.0.0.0)
 * Running on http://127.0.0.1:8000
 * Running on http://xxx:8000
Press CTRL+C to quit
 * Restarting with stat
 * Debugger is active!
 * Debugger PIN: 108-859-976
183.238.113.222 - - [28/Mar/2024 12:40:18] "GET / HTTP/1.1" 200 -