python 连接mysql

Posted 2020-08-22

安装python后，还需要安装pymysql，安装步骤：

打开https://pypi.python.org/pypi/PyMySQL#downloads，下载PyMysql，下载后解压：

解压后，使用cmd，进入pymsql目录：

 

然后执行 python setup.py install 命令：

 

 会看到命令窗会自动安装，等待安装成功。

安装成功后，进入python ide（eclipse）或者其他编辑器进行验证，示例代码：

import pymysql

#地址 端口 用户 密码 数据库名 编码
conn = pymysql.connect(host="127.0.0.1", port=3306, user="root", passwd="123456", db="afbxV1.0", charset="UTF8");
cur = conn.cursor();#连接
cur.execute("select * from tb_policy_info limit 10");#执行查询

for c in cur: #遍历游标
    print(c);

cur.close();
conn.close();

---

(1, ‘1234567‘, 113, 351, None, 237, -2, datetime.datetime(2016, 9, 8, 18, 14, 8), datetime.datetime(2016, 9, 9, 18, 14, 8), None, Decimal(‘10000.00‘), 59, 100, None, 1, None, datetime.datetime(2016, 9, 8, 18, 9, 21), datetime.datetime(2016, 9, 8, 18, 14, 10), None)
(3323, ‘123456‘, 94, 319, None, 355, 3, datetime.datetime(2016, 10, 17, 21, 24, 34), datetime.datetime(2016, 7, 18, 21, 25, 6), None, Decimal(‘123.00‘), 59, 104, None, 3, None, datetime.datetime(2016, 7, 18, 21, 26, 35), datetime.datetime(2016, 7, 18, 21, 28, 15), None)
(3324, ‘123456‘, 95, 320, None, 355, 3, datetime.datetime(2016, 10, 17, 21, 24, 34), None, None, Decimal(‘0.00‘), 59, 104, None, 3, None, datetime.datetime(2016, 7, 18, 21, 26, 35), datetime.datetime(2016, 7, 18, 21, 28, 15), None)
(3330, ‘12‘, 95, 320, None, 354, 3, datetime.datetime(2016, 10, 17, 17, 55, 28), datetime.datetime(2016, 7, 19, 10, 29, 47), None, Decimal(‘12.00‘), 59, 104, None, 3, None, datetime.datetime(2016, 7, 19, 10, 31, 9), datetime.datetime(2016, 7, 19, 10, 31, 9), None)
(3347, ‘846513‘, 95, 320, None, 233, 3, datetime.datetime(2016, 7, 19, 11, 19, 57), None, None, Decimal(‘0.00‘), 59, 104, None, 3, None, datetime.datetime(2016, 7, 19, 11, 43, 12), datetime.datetime(2016, 7, 19, 11, 45, 51), None)
(3348, ‘2345‘, 94, 319, None, 233, 3, datetime.datetime(2016, 7, 19, 11, 58, 3), datetime.datetime(2016, 7, 19, 11, 58, 19), None, Decimal(‘123.00‘), 59, 104, None, 3, None, datetime.datetime(2016, 7, 19, 12, 0, 57), datetime.datetime(2016, 7, 19, 12, 1, 3), None)
(3349, ‘456423‘, 95, 320, None, 233, 3, datetime.datetime(2016, 7, 19, 11, 58, 3), datetime.datetime(2016, 7, 19, 11, 59, 3), None, Decimal(‘12.00‘), 59, 104, None, 3, None, datetime.datetime(2016, 7, 19, 12, 0, 57), datetime.datetime(2016, 7, 19, 12, 1, 3), None)
(3350, ‘fghfjhfg‘, 94, 319, None, 233, 3, datetime.datetime(2016, 7, 19, 10, 31, 14), datetime.datetime(2016, 7, 19, 12, 0, 44), None, Decimal(‘123.00‘), 59, 104, None, 3, None, datetime.datetime(2016, 7, 19, 12, 2, 6), datetime.datetime(2016, 7, 19, 12, 2, 6), None)
(3351, ‘E001‘, 94, 319, None, 308, 3, datetime.datetime(2016, 7, 19, 12, 10, 42), datetime.datetime(2016, 7, 19, 12, 11, 42), None, Decimal(‘100.00‘), 59, 104, None, 3, None, datetime.datetime(2016, 7, 19, 12, 13, 23), datetime.datetime(2016, 7, 19, 12, 13, 42), None)
(3352, ‘E002‘, 95, 320, None, 308, 3, datetime.datetime(2016, 7, 19, 12, 10, 42), datetime.datetime(2016, 7, 19, 12, 12, 20), None, Decimal(‘111.00‘), 59, 104, None, 3, None, datetime.datetime(2016, 7, 19, 12, 13, 23), datetime.datetime(2016, 7, 19, 12, 13, 42), None)

 

打印数据，验证成功。