| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768 |
- import mysql.connector
- from mysql.connector import errorcode
- # 你的数据库连接配置
- config = {
- 'user': 'root',
- 'password': '123456',
- 'host': '127.0.0.1',
- 'database': 'card_score_database'
- }
- TABLES = {}
- TABLES['employees'] = (
- "CREATE TABLE `employees` ("
- " `id` int(11) NOT NULL AUTO_INCREMENT,"
- " `name` varchar(50) NOT NULL,"
- " `position` varchar(50) NOT NULL,"
- " `hire_date` date NOT NULL,"
- " PRIMARY KEY (`id`)"
- ") ENGINE=InnoDB")
- connection = None
- cursor = None
- database_name = "card_score_database"
- def connect_mysql():
- # 尝试连接
- connection = mysql.connector.connect(**config)
- print("成功连接到 MySQL 服务器!")
- # 获取一个游标对象
- cursor = connection.cursor()
- # 打印服务器版本信息
- cursor.execute("SELECT VERSION()")
- version = cursor.fetchone()
- print(f"数据库版本: {version[0]}")
- return connection, cursor
- def creat_database(cursor, database_name):
- cursor.execute(f"CREATE DATABASE IF NOT EXISTS {database_name} DEFAULT CHARACTER SET 'utf8mb4'")
- if __name__ == '__main__':
- connection, cursor = connect_mysql()
- # creat_database(cursor, database_name)
- # 创建 employees 表
- # cursor.execute(TABLES['employees'])
- # add_employee_sql = ("INSERT INTO employees "
- # "(name, position, hire_date) "
- # "VALUES (%s, %s, %s)")
- # employee_data = ('张三', '软件工程师', '2023-01-15')
- # cursor.execute(add_employee_sql, employee_data)
- # employee_id = cursor.lastrowid # 获取刚插入行的ID
- # print(f"成功插入一条记录, ID: {employee_id}")
- #
- # connection.commit()
- # 1. 查询所有员工
- query_all = "SELECT id, name, position, hire_date FROM employees"
- cursor.execute(query_all)
- print("\n--- 所有员工信息 ---")
- for row in cursor.fetchall():
- print(f"ID: {row['id']}, 姓名: {row['name']}, 职位: {row['position']}, 入职日期: {row['hire_date']}")
|