Python3数据库操作包pymysql的操作方法

CREATE TABLE `test` ( `id` int(10) NOT NULL AUTO_INCREMENT, `name` varchar(20) DEFAULT NULL, `age` int(10) DEFAULT NULL, PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8;

import pandas as pdimport datetimeimport pymysql#创建连接conn = pymysql.connect(host='127.0.0.1', port=3306, user='root',             passwd='******', db='testdataset', charset='utf8')#passwd是本地mysql服务器密码conn#Output:<pymysql.connections.Connection at 0x11443e588>#创建游标cursor = conn.cursor()cursor#Output:<pymysql.cursors.Cursor at 0x11443e2e8>#执行SQL，并返回受影响行数effect_row = cursor.execute("select * from test")effect_row#Output:4#获取剩余结果的第一行数据r1=cursor.fetchone()r1#Output:(1, '李明', 18)name='王天'age=17sql="select name,age from test where name='%s' and age='%s'" % (name,age)row_count=cursor.execute(sql) row_1 = cursor.fetchone()print(row_count,row_1)#Output:1 ('王天', 17)conn.commit()cursor.close()conn.close()