'database':"db01",'charset':'utf8'}#1.连接数据库,并得到Connection对象db=pymysql.connections.Connection(**arg_kwargs)#2.创建数据库的游标cur=db.cursor()#3.sql语句sql="select bname,press,author from book;"#4.执行sql语句(其实是将sql语句提
首先安装mysql-connector-python模块。建议使用pip来安装它。 pip install mysql-connector-python 安装后,使用以下代码连接到MySQL: importos fromdotenvimportload_dotenv frommysql.connectorimportError importmysql.connector load_dotenv() connection = mysql.connector....
首先安装mysql-connector-python模块。建议使用pip来安装它。 pipinstallmysql-connector-python 安装后,使用以下代码连接到MySQL: importosfrom dotenv import load_dotenv from mysql.connector import Error import mysql.connector load_dotenv() connection = mysql.connector.connect( host=os.getenv("HOST"), databa...
import pymysql# 连接到MySQL数据库connection = pymysql.connect (host='localhost', user='root', password='password', db='test_db')# 创建游标对象cursor = connection.cursor ()# 使用参数化查询sql_query = "SELECT * FROM users WHERE username = %s AND password = %s"user_input = ('test_user...
connector.connection mysql_connect_config = { 'host': 'rm-uf67r962043910k193o.mysql.rds.aliyuncs.com', 'port': 3306, 'user': 'root', 'password': 'Abc*123456', 'database': 'test' } conn = mysql.connector.connect( **mysql_connect_config ) print(conn) # 关闭连接 conn.close() ...
from DBUtils.PooledDB import PooledDB class Config(object): """ # Config().get_content("user_information") 配置文件里面的参数 [notdbMysql] host = 192.168.1.101 port = 3306 user = root password = python123 """ def __init__(self, config_filename="myProjectConfig.cnf"): ...
import mysql.connector mydb=mysql.connector.connect(host="localhost",user="root",passwd="password123") print(mydb) 运行程序输出为: C:UsersHarshit_KantPycharmProjectstest1venvScriptspython.exe C:/Users/Harshit_Kant/PycharmProjects/test1/venv/python-db-conn.py <mysql.connector.connection_cext.CMy...
from DBUtils.PooledDB import PooledDB, SharedDBConnection POOL = PooledDB( creator=pymysql, # 使用链接数据库的模块 maxconnections=6, # 连接池允许的最大连接数,0和None表示不限制连接数 mincached=2, # 初始化时,链接池中至少创建的空闲的链接,0表示不创建 ...
Connection对象即为数据库连接对象,在python中可以使用pymysql.connect()方法创建Connection对象,该方法的常用参数如下: host:连接的数据库服务器主机名,默认为本地主机(localhost);字符串类型(String) 。 user:用户名,默认为当前用户;字符串类型(String) 。
connect(host='192.168.11.38', port=3306, user='root', passwd='apNXgF6RDitFtDQx', db='m2day03db') conn = POOL.connection() # 创建游标 cursor = conn.cursor(pymysql.cursors.DictCursor) return conn,cursor def close(conn,cursor): # 关闭游标 cursor.close() # 关闭连接 conn.close() def ...