defcreate_connection(self):"""创建数据库连接"""try:self.connection=mysql.connector.connect(host=self.config.get('mysql','host'),user=self.config.get('mysql','user'),passwd=self.config.get('mysql','passwd'),database=self.config.get('mysql','database'))print("连接到 MySQL 数据库成功")...
pip install mysql-connector 1. 2.连接操作 import mysql.connectorfrom mysql.connector import errorcode ## 连接数据库## 第一种连接方式mysql_db = mysql.connector.connect( host="192.168.10.222", # 数据库主机地址 port=3306, #端口号 database="test", # 数据库 user="root", # 数据库用户名 pas...
importpymysql # 打开数据库连接 mysql_db=pymysql.connect(host='192.168.10.222', user='root', password='root', database='test') # 使用 cursor() 方法创建一个游标对象 cursor cursor=mysql_db.cursor() # 使用 execute() 方法执行 SQL,如果表存在则删除 cursor.execute("DROP TABLE IF EXISTS EMPLOY...
conn.close()returnrowsexceptMySQLdb.Error,e:print"Mysql Error %d: %s"% (e.args[0], e.args[1]) 上面是封装了操作数据库的方法,只需提供一个sql语句,CRUD均可操作。下面来YY一些数据来测试下增删改查的具体用法(easy的,我真是闲),接着上面的代码写: defoperation():#查询select = mysql('select *...
1.安装mysql-server (在此之前请准备好Python的环境) 2.安装mysql-python 这里有点坑,我直接使用apt-get命令没有成功,后来使用pip安装成功的 ~$ pip install mysql-python 1 ~$pipinstallmysql-python 3.安装sqlalchemy 准备环境OK之后,安装sqlalchemy
1.安装mysql-server (在此之前请准备好Python的环境) 2.安装mysql-python 这里有点坑,我直接使用apt-get命令没有成功,后来使用pip安装成功的 1 ~$ pipinstallmysql-python 3.安装sqlalchemy 准备环境OK之后,安装sqlalchemy 1 ~$ pipinstallsqlalchemy
9.5 Working with SQL Result Sets When you execute an SQL operation on a Session using the sql() method, an SqlResult is returned. Iterating over an SqlResult is identical to working with results from CRUD operations. The following example assumes that the users table exists. ...
from sqlman import Connector # 方式1 db = Connector(host="localhost", port=3306, username="root", password="root@0", db="test") # 数据库对象 # 方式2 MYSQL_CONF = { 'host': 'localhost', 'port': 3306, 'username': 'root', 'password': 'root@0', 'db': 'test' } db = Conne...
使用python flask 和 mysql开发的一个用户增删改查例子. Contribute to mudfish/python-flask-user-crud development by creating an account on GitHub.
This means that any CRUD operation on a foreign key is checked to ensure that it doesn’t lead to inconsistencies across different tables. Also, note that the ratings table uses the columns movie_id and reviewer_id, both foreign keys, jointly as the primary key. This step ensures that a ...