sqlalchemy.exc.OperationalError: (pymysql.err.OperationalError) (2003, “Can‘t connect to MySQL serve
这种情况原因众多,可能的一种错误原因是mysql数据库密码有特殊符合:@fromurllibimportparsefromsqlalchemyimportcreate_enginemysqlEngine=create_engine("mysql+pymysql://root:yw%d#@$#[email protected]:26306/mydata",pool_size=0,max_overf