c9e70a7317
- 为 HTML 页面添加 Cache-Control: no-cache - 添加 Pragma: no-cache - 添加 Expires: 0 - 解决用户浏览器缓存旧版本 HTML 的问题
159 lines
4.8 KiB
Python
159 lines
4.8 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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云下飞的个人网站 - Flask 版本
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支持登录、注册功能
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作者：小白 🐶
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"""
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from flask import Flask, render_template, redirect, url_for, request, flash, make_response
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from flask_login import LoginManager, UserMixin, login_user, login_required, logout_user, current_user
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from flask_sqlalchemy import SQLAlchemy
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from werkzeug.security import generate_password_hash, check_password_hash
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import os
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# 初始化应用
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app = Flask(__name__)
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app.config['SECRET_KEY'] = 'xiaobai-secret-key-2026'
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app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///users.db'
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app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
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# 禁用缓存 - 解决浏览器缓存问题
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@app.after_request
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def add_no_cache_headers(response):
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"""为 HTML 页面添加禁用缓存的响应头"""
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if 'text/html' in response.content_type:
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response.headers['Cache-Control'] = 'no-cache, no-store, must-revalidate'
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response.headers['Pragma'] = 'no-cache'
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response.headers['Expires'] = '0'
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return response
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# 初始化数据库
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db = SQLAlchemy(app)
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# 初始化登录管理
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login_manager = LoginManager()
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login_manager.init_app(app)
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login_manager.login_view = 'login'
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# 用户模型
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class User(UserMixin, db.Model):
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id = db.Column(db.Integer, primary_key=True)
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username = db.Column(db.String(80), unique=True, nullable=False)
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password_hash = db.Column(db.String(120), nullable=False)
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def set_password(self, password):
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self.password_hash = generate_password_hash(password)
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def check_password(self, password):
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return check_password_hash(self.password_hash, password)
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@login_manager.user_loader
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def load_user(user_id):
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return User.query.get(int(user_id))
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# 路由 - 首页
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@app.route('/')
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def index():
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if current_user.is_authenticated:
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return render_template('welcome.html', username=current_user.username)
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return render_template('index.html')
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# 路由 - 登录
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@app.route('/login', methods=['GET', 'POST'])
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def login():
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if current_user.is_authenticated:
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return redirect(url_for('index'))
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if request.method == 'POST':
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username = request.form.get('username')
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password = request.form.get('password')
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user = User.query.filter_by(username=username).first()
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if user and user.check_password(password):
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login_user(user)
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flash('登录成功！欢迎回来~ 🐶', 'success')
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return redirect(url_for('index'))
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else:
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flash('用户名或密码错误！', 'error')
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return render_template('login.html')
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# 路由 - 注册
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@app.route('/register', methods=['GET', 'POST'])
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def register():
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if current_user.is_authenticated:
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return redirect(url_for('index'))
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if request.method == 'POST':
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username = request.form.get('username')
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password = request.form.get('password')
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confirm_password = request.form.get('confirm_password')
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# 验证
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if not username or not password:
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flash('用户名和密码不能为空！', 'error')
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return render_template('register.html')
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if password != confirm_password:
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flash('两次密码不一致！', 'error')
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return render_template('register.html')
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if len(username) < 3:
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flash('用户名至少3个字符！', 'error')
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return render_template('register.html')
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if len(password) < 6:
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flash('密码至少6个字符！', 'error')
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return render_template('register.html')
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# 检查用户是否存在
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existing_user = User.query.filter_by(username=username).first()
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if existing_user:
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flash('用户名已存在！', 'error')
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return render_template('register.html')
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# 创建新用户
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user = User(username=username)
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user.set_password(password)
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db.session.add(user)
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db.session.commit()
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flash('注册成功！请登录~ 🎉', 'success')
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return redirect(url_for('login'))
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return render_template('register.html')
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# 路由 - 登出
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@app.route('/logout')
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@login_required
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def logout():
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logout_user()
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flash('已退出登录！', 'success')
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return redirect(url_for('index'))
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# 创建数据库
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with app.app_context():
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db.create_all()
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# 创建默认管理员账户
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admin = User.query.filter_by(username='yunxiafei').first()
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if not admin:
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admin = User(username='yunxiafei')
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admin.set_password('xu123654')
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db.session.add(admin)
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db.session.commit()
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print("✅ 默认管理员账户已创建: yunxiafei / xu123654")
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if __name__ == '__main__':
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app.run(host='0.0.0.0', port=5000, debug=False)
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