python3连接mysql数据库
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//用到模块pymysql,用pip安装 sudo pip3 install pymysql3 或 sudo apt install python3-pymysql |
编写程序
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import pymysql conn = pymysql.connect(host='127.0.0.1', port=3306, user='root', passwd='123',db='girl') cur = conn.cursor() cur.execute("SELECT * FROM student") for r in cur.fetchall(): print(r) cur.close() conn.close() |
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