Python Flask：如何使端点每秒刷新一次

Question

I've created a Flask API which I want to be hit/refreshed at every second.
Following is the code:

from flask import Flask
from datetime import datetime

app = Flask(__name__)

@app.route("/", methods=["GET"])
def home():
    return """Hello World!<br>The current time is {}.""".format(datetime.strftime(datetime.now(), "%d %B %Y %X"))

if __name__ == "__main__":
    app.run()

What is desired?
I basically want the html page to update every second, showing the current date & time, ie., updating every second. I haven't added any explicit HTML page for rendering. I don't know HTML and therefore wanted to get this done via python and flask apis.

How can I achieve this? Is there any better way of doing this?

Answer 1

You can try this one:

from flask import Flask
from datetime import datetime

app = Flask(__name__)

@app.route("/", methods=["GET"])
def home():
    return """
<meta http-equiv="refresh" content="1" /> 
Hello World!<br>The current time is {}.""".format(datetime.strftime(datetime.now(), "%d %B %Y %X"))

if __name__ == "__main__":
    app.run()

Change the content attribute inside the meta tag if you want to change the frequency (the number refers to number of seconds)