def connect_to_database(host, user, password, database): try: # 尝试建立数据库连接 connection = mysql.connector.connect( host=host, user=user, password=password, database=database) return connection # 如果成功连接,返回连接对象 except Error as e: # 如果连接失败,显示错误消息框 messagebox.show...
Measures are taken to make the database connections thread-affine. This means the same thread always uses the same cached connection, and no other thread will use it. So even if the underlying DB-API module is not thread-safe at the connection level this will be no problem here. For best...
db=pymysql.connect(“localhost”,”ayushi”,”yourpassword”,”demo”)#This saves a connection object into dbcursor=db.cursor()cursor.execute(“SELECT VERSION()”)1print(f”You’re running version{cursor.fetchone()}”)You’re running version(‘8.0.11’,)db.close()#Closing the database con...
# 关闭连接 connection.close()注意：替换 localhost、yourusername、yourpassword、mydatabase 和 yourtabl...
使用MySQLConnection 对象连接 MySQL 首先,创建一个数据库配置文件 config.ini,定义数据库相关的参数: [mysql]host=192.168.56.104port=3305database=hrdbuser=tonypassword=tony 其次,创建一个新的模块 python_mysql_dbconfig.py,用于读取 config.ini 文件中的配置信息并返回一个字典对象: ...
#导入pymysql模块importpymysql#连接databaseconn = pymysql.connect(host=“你的数据库地址”, user=“用户名”,password=“密码”,database=“数据库名”,charset=“utf8”)#得到一个可以执行SQL语句并且将结果作为字典返回的游标cursor = conn.cursor(cursor=pymysql.cursors.DictCursor)#定义要执行的SQL语句sql...
connect(user='root', password='zhyea.com', host='127.0.0.1', database='test') cnx.close() 也可以使用connection.MySQLConnection()类: Python from mysql.connector import (connection) # Connect with the MySQL Server cnx = connection.MySQLConnection(user='root', password='zhyea.com', host...
0 MySql Database connection with python 1 Python connecting to mysql 0 Connecting MySQL with Python 0 connecting to mysql database using python script 0 Python: How to connect to a MySQL db 2 Connect to mySQL with python 3 1 Connect to MySQL database using python 0 Unable to ...
1.安装并且导入包pymysql,如果环境中没有安装pymysql包,可以直接pip3 install pymysql安装该模块,然后使用import pymysql查看是否安装正确。下面是基于pycharm进行开发测试python连接操作数据库 from pymysql import * def main(): # 创建Connection连接 conn = connect(host='localhost',port=3306,database='jing_...
@app.route('/get_data_from_mysql')defget_data_from_mysql():# 1. 连接数据库conn=pymysql.Connection(host='127.0.0.1',port=3306,user='root',password='123',database='test',charset='utf8mb4',cursorclass=pymysql.cursors.DictCursor)# 2. 创建游标对象try:# 进行错误处理withconn.cursor()as...