话不多说,有图有源码
1)确保本机安装了sql server对应的odbc驱动
在控制面板的管理工具中可以查:数据源(ODBC)

我这里已经安装了,如果没有安装可以自行下载安装
2)连接MsSql Server代码
- # -*- coding: utf-8 -*-
- __author__ = "阿桂天山"
-
- #----------判断连接是否正常
- from sqlalchemy import (Table, MetaData, create_engine,
- Column, Integer, String, SmallInteger, DateTime, text)
- from datetime import datetime
- from sqlalchemy.orm import mapper, sessionmaker
- from sqlalchemy.exc import OperationalError,InternalError
-
- #----------测试连接mssqlserver
- def try_linkMSSqldb(username,password,hostip,hostport,dbname):
- DRIVER = "ODBC Driver 18 for SQL Server"
- USERNAME = username
- PSSWD = password
- SERVERNAME = hostip
- PORT=hostport
- INSTANCENAME = "\SQLEXPRESS"
- DB = dbname
-
- engine = create_engine(f"mssql+pyodbc://{USERNAME}:{PSSWD}@{SERVERNAME}{INSTANCENAME}:{PORT}/{DB}?driver={DRIVER}&TrustServerCertificate=yes", fast_executemany=True)
- metadata = MetaData()
- try:
- metadata.reflect(schema=DB, bind=engine)
- return "连接成功!"
- except Exception as e:
- return repr(e)
-
- #----------测试
- print(try_linkMSSqldb('sa','aabbCC123xxx','127.0.0.1','1433','SQLTEST'))
最后,运行结果

相信上面的代码对你一定有所帮助,点赞吧!!!