text: import os
  
  import redis
  from flask import Flask
  
  from app.user_views import user_blueprint
  from app.models import db
  
  
  def create_app():
      BASE_DIR = os.path.dirname(os.path.dirname(__file__))
      static_dir = os.path.join(BASE_DIR, 'static')
      templates_dir = os.path.join(BASE_DIR, 'templates')
  
      app = Flask(__name__,
                  static_folder=static_dir,
                  template_folder=templates_dir)
  
      # 注册蓝图
      app.register_blueprint(blueprint=user_blueprint, url_prefix='/user')
  
      # 链接mysql数据库
      app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql+pymysql://root:zw123456@127.0.0.1:3306/Htai'
      app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
  
      # 设置session密钥
      app.config['SECRET_KEY'] = 'secret_key'
      # 设置连接的redis数据库 默认连接到本地6379
      app.config['SESSION_TYPE'] = 'redis'
      # 设置远程
      app.config['SESSION_REDIS'] = redis.Redis(host='127.0.0.1', port=6379)
  
      db.init_app(app=app)
  
      return app