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41 lines
877 B
41 lines
877 B
import pymysql
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import sqlite3
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class DBManager():
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#实例化数据库管理对象，并连接数据库
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def __init__(self,ip,prot,user,passwd):
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pass
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#检查设备ID是否在数据库？
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def checkDevID(self,cID):
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pass
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def test(self):
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# 建立数据库连接
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conn = pymysql.connect(
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host='localhost',
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port=3306,
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user='username',
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password='password',
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database='database_name'
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)
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# 创建游标对象
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cursor = conn.cursor()
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# 执行 SQL 查询
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query = "SELECT * FROM table_name"
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cursor.execute(query)
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# 获取查询结果
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result = cursor.fetchall()
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# 输出结果
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for row in result:
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print(row)
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# 关闭游标和连接
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cursor.close()
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conn.close()
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