pip install flask --upgrade 强制更新至最新版本
from flask import Flask
app = Flask(__name__)
@app.route('/', methods=['GET'])
def index():
return 'hello world'
if __name__ == '__main__':
app.run()
__name__:就是字符串,约定俗成用这个
app.run():运行
pip install flask --upgrade 强制更新至最新版本
from flask import Flask
app = Flask(__name__)
@app.route('/', methods=['GET'])
def index():
return 'hello world'
if __name__ == '__main__':
app.run()
__name__:就是字符串,约定俗成用这个
app.run():运行