psycopg2.OperationalError: could not connect to server: Connection timed out (0x0000274C/10060)
Is the server running on host "X.X.X.X" and accepting
TCP/IP connections on port 5432?
这个就是无法连接啊。要不你的psql被防火墙栏下来了,要不就是你的pgsql没有启动,或者端口不对,或者主机名不对
import
psycopg2
# 数据库连接参数
conn
=
psycopg2.connect(database
=
"test1"
, user
=
"jm"
, password
=
"123"
, host
=
"127.0.0.1"
, port
=
"5432"
)
cur
=
conn.cursor()
cur.execute(
"SELECT * FROM a1;"
)
rows
=
cu