Python连接Mysql数据库_20160928

 python版本 2.7.1，python 连接mysql需要安装MYSQLdb模块

安装方法一种是cmd pip命令安装 

pip install MySQLdb

一种是网上下载python MYSQLdb模块包 放到python 安装目录下的lib文件夹

安装成功后在cmd命令

python #进入python 交互模式

import MySQLdb #没有报错说明安装成功

　　

#python 连接mysql并且导入数据表users代码

#coding:utf-8
import MySQLdb

try:
    conn=MySQLdb.connect(host='localhost',user='root',passwd='你的密码',db='local_db',port=3306,charset='utf8')
    with conn:
        cursor=conn.cursor()
        sql='''
            SELECT username,CONCAT(RIGHT(address,1),"测试",LEFT(address,1))  AS address,
            CASE WHEN telephone IS NOT NULL THEN CONCAT(LEFT(telephone,3),58568, RIGHT(telephone,2)) ELSE NULL END AS telephone
            FROM a001_resterant
            WHERE username IN (SELECT username FROM test_a03order GROUP BY username)
        '''
        count=cursor.execute(sql)
        conn.commit()
        data=cursor.fetchall()
        for i in data:
            print i[0],i[1],i[2]
            cursor.execute("INSERT INTO  users (username,address,telephone) values(%s,%s,%s)",(i[0],i[1],i[2]))
            conn.commit()
        print "输入了"+str(count)+"条数据"
except MySQLdb.Error:
    print "连接失败！"