python的MySQLdb库基本使用介绍

Posted 2021-01-13 bleer

MySQLdb库

import MySQLdb

 

简介

提供mysql的基本操作（包括建表，读取表数据，插入数据到表）

 

数据库操作基本步骤

 

#!/usr/bin/python
# -*- coding: UTF-8 -*-

import MySQLdb

if __name__ == "__main__":
    # 打开数据库连接
    db = MySQLdb.connect("localhost", "root", "root", "iquota", charset=‘utf8‘)

    # 使用cursor()方法获取操作游标
    cursor = db.cursor()

    # 查看表
    sql_cmd="select * from app;"

    cursor.execute(sql_cmd)
    data = cursor.fetchone()
    data_all = cursor.fetchall()

    # 关闭数据库连接
    db.close()

    # 读取一行
    print data
    # 读取全部内容
    print data_all

mysql基本读取举例

输出结果

(10L, u‘5c26736821d24de48942d982b1c69000‘, u‘qa-stress‘, u‘qa app for stress test‘, u‘zhangsan‘)
((11L, u‘5c26736821d24de48942d982b1c69000‘, u‘qa-stress‘, u‘qa app for stress test‘, u‘lisi‘), (12L, u‘37ea7ce186404c2ea3a1fb4079d58c15‘, u‘qa-stress-test‘, u‘qa app for stress test‘, u‘zhangsan‘), (13L, u‘37ea7ce186404c2ea3a1fb4079d58c15‘, u‘qa-stress-test‘, u‘qa app for stress test‘, u‘lisi‘), (14L, u‘283182bf5ffe4398932d72e9a6d239cc‘, u‘app1‘, u‘add_request‘, u‘lisi‘), (21L, u‘394c56cde2cb4434a01cff43defcc0a6‘, u‘liurong07Test‘, u‘add_request‘, u‘lisi‘))

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