flask设置配置文件的四钟方式

# -*- coding: utf-8 -*-

DEBUG = True

# -*- coding: utf-8 -*-

from flask import Flask,session,current_app

app = Flask(__name__)
app.secret_key = "HQ"

#配置文件
# 方式一
# app.config["SESSION_COOKIE_NAME"] = "session_id"
# 方式二
# app.config.from_pyfile("config.py")
# 方式三
# import os
# os.environ["FLAKS-SETTINGS"] = "config.py"
# app.config.from_envvar("FLAKS-SETTINGS")
# 方式四
# app.config.from_object("config")

@app.route("/index")
def index():
    return "INdex"

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