Flask 用 session 在服务器存储数据

[python]代码库

from flask import Flask, session, redirect, url_for, request
app = Flask(__name__)
app.secret_key = "secret_key"

@app.route("/login", methods=["POST"])
def login():
    username = request.form["username"]
    password = request.form["password"]
    if username == "admin" and password == "password":
        session["logged_in"] = True
    else:
        session["logged_in"] = False
    return redirect(url_for("home"))

@app.route("/logout")
def logout():
    session["logged_in"] = False
    return redirect(url_for("home"))

@app.route("/")
def home():
    if not session.get("logged_in"):
        return redirect(url_for("login"))
    else:
        return "Welcome, admin!"

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