1.pip install pyodbc
2.安装informix的csdk,在windows版本上尤其需要注意32位和64位的配套问题
可以通过如下命令来识别你安装的informix的驱动:
for x in pyodbc.drivers(): print(x)
3.配置setnet 32
4、配置ODBC数据源(注意32还是64)里面的用户DSN,准备好DSN的名字
5、通过如下代码测试是否可以访问数据库
import pyodbc if __name__ == '__main__': with pyodbc.connect('DSN=informix1') as conn: with conn.cursor() as cursor: cursor.execute('select id,name from t1') rows = cursor.fetchall() for row in rows: print (row[0], row[1])
6、本来想通过如下方式来配置pyodbc,但是发现informix的有些属性不会配置比如DB_LOCALE、CLIENT_LOCALE等。所以用了第5步的办法。
DRIVER = "{SQL Server Native Client 11.0}"
SERVER = "xxx.xxx.xxx.xxx"
PORT = 14330
UID = "xxx"
PWD = "xxx"
CONN = "DRIVER=%s;SERVER=%s,%s;UID=%s;PWD=%s" % (DRIVER, SERVER, PORT, UID, PWD)
db = pyodbc.connect(CONN)
cursor = db.cursor() #cursor和pymysql是一样用法