print("Error while connecting to MySQL", e) finally: connection.close() 用PyMySQL连接到MySQL PyMySQL包是另一个连接器,你可以用它来连接Python和MySQL。如果你追求速度,这是一个很好的选择,因为它比mysql-connector-python快。 你可以使用 pip 来安装它。 ...
except Error as e:print("Error while connecting to MySQL", e) finally: connection.close() 用PyMySQL连接到MySQL PyMySQL包是另一个连接器,你可以用它来连接Python和MySQL。如果你追求速度,这是一个很好的选择,因为它比mysql-connector-python快。 你可以使用 pip 来安装它。 pipinstallPyMySQL 然后,使用以...
首先,从 MySQL Connector/Python 包中导入 MySQLConnection 以及 Error 对象,从 python_mysql_dbconfig 模块中导入 read_db_config。 然后,读取数据库配置信息,创建一个新的 MySQLConnection 实例对象。其他内容和上文中的示例类似。 测试一下 connect2 模块: >python connect2.py Connecting to MySQL database......
.cursors.DictCursor # 使用字典游标 ) try: with connection.cursor() as cursor: # 执行SQL查询 sql = "SELECT * FROM your_table" cursor.execute(sql) result = cursor.fetchall() print(result) finally: connection.close() except pymysql.MySQLError as e: print(f"Error connecting to MySQL: {e...
("SSL_CERT"))try: if connection.is_connected(): cursor = connection.cursor() cursor.execute("select @@version ") version = cursor.fetchone() if version: print('Running version: ', version) else: print('Not connected.')except Error as e: print("Error while connecting to MySQL", e)...
# 连接或执行SQL语句 except mysql.connector.Error as err: print(f"Error connecting to MySQL:...
客户端程序访问MySQL数据库,一般有3种方式: 1. MySQL Connectors Oracle develops a number of connectors: Connector/C++ enables C++ applications to connect to MySQL. Connector/J provides driver support for connecting to MySQL from Java applications using the standard Java Database Connectivity (JDBC) ...
print("Error while connecting to MySQL", e) def close_connection(self): if self.connection.is_connected(): self.connection.close() print("MySQL connection is closed") “` 这个类包含了初始化方法__init__,用于设置数据库的连接参数;connect方法用于建立与数据库的连接;close_connection方法用于关闭数据...
pip install mysqlclient 1. 在Linux上,你可能需要在安装mysqlclient之前安装Python3和MySQL开发头文件和库。 复制 sudo apt-get install python3-dev default-libmysqlclient-dev build-essential 1. 一旦你安装了mysqlclient,你可以使用下面的代码连接到数据库。
user='root',password='password')ifconnection.is_connected():db_Info=connection.get_server_info()print("Connected to MySQL Server version ",db_Info)except Errorase:print("Error while connecting to MySQL",e)finally:if(connection.is_connected()):connection.close()print("MySQL connection is ...