from flask import Flask
app = Flask(__name__)
@app.route("/")
def hello_world():
return "Hello, World!
"
保存成hello.py
$ export FLASK_APP=hello $ flask run * Running on http://127.0.0.1:5000/方法2: python运行
from flask import Flask
app = Flask(__name__)
@app.route("/")
def hello_world():
return "Hello, World!
"
if __name__ == "__main__":
app.run()
保存成hello.py
$ python hello.py
