python连接MySQL

import pymysql
pymysql.install_as_MySQLdb()
import MySQLdb

conn = MySQLdb.Connection(
    host = 'localhost',
    user = 'root',
    password = 'root',
    port = 3306,
    database = 'test',
    charset = 'utf8'
)

cursor = conn.cursor()
sql = 'select * from equipment'

cursor.execute(sql)
data = cursor.fetchall()
print(data)

cursor.close()
conn.close()