Python pymysql连接mysql数据库

查看是否安装、版本 pip show pymysql 

1、安装  pip install pymysql 

2、查询:

import pymysql

# 连接本地mysql执行sql语句
def ExecuteLocalMysqlSelect(sql):
    conn = pymysql.connect(host='127.0.0.1'
                           ,user='root'
                           ,password='root'
                           ,port=3306
                           ,db='analyst'
                           ,charset='utf8')
    cur = conn.cursor()
    try:
        a = cur.execute(sql)
    except:
        conn.rollback()
        print('perform failed')
    finally:
        conn.commit()
        print('perform success')
        
    conn.close()
    #cur.description 获取列名
    return a,cur.description,cur.fetchall()
注:
description 获取列名
fetchall 返回全部数据
fetchone 返回一行数据
fetchmany(size) 取出一定数量


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转载自www.cnblogs.com/wwbz/p/12731360.html