这是我当前的初始化文件,我已经在 models.py 上创建了数据库模型,但我认为我对此没有任何问题。每当我“db.create_all()”时,我都无法创建数据库表......它给了我错误,我在下面发布了。
from flask_sqlalchemy import SQLAlchemy
app = Flask(__name__)
app.config['SECRET_KEY'] = 'mysecretkey'
# DATABASE CONFIGS ---------------------------------------------------------------------------
db = SQLAlchemy(app)
ENV = 'dev'
if ENV == 'dev':
app.debug = True
app.config['SQLALCHEMY_DATABASE_URI'] = 'postgresql://postgres:123456@localhost/flaskqna'
else:
app.debug = False
app.config['SQLALCHEMY_DATABASE_URI'] = ''
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db = SQLAlchemy(app)
# DATABASE CONFIGS ---------------------------------------------------------------------------
from flaskqna import routes
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错误
sqlalchemy.exc.OperationalError: (psycopg2.OperationalError) could not connect to server: Connection refused (0x0000274D/10061)
Is the server running on host "localhost" (::1) …Run Code Online (Sandbox Code Playgroud)