from flask import Flask,session from flask_sqlalchemy import SQLAlchemy import config app = Flask(__name__) app.config.from_object(config) db = SQLAlchemy(app) class User(db.Model): __tablename__ = 'user' id = db.Column(db.Integer,primary_key=True,au
error:flask,sqlalchemy.exc.OperationalError: (MySQLdb._exceptions.OperationalError) (1071, 'Specified key was too long; max key length is 767 bytes') 分析:数据库类型字符不对(默认latin) 解决:ALTER DATABASE `databasename` CHARACTER SET utf8;
#!/usr/bin/env python import sqlalchemy from sqlalchemy import create_engine from sqlalchemy.ext.declarative import declarative_base from sqlalchemy import Column,Integer,String from sqlalchemy.orm import sessionmaker # 创建连接 echo=True 就会打印出所有过程信息 eng