python链接mysql查询数据实例

# coding=utf-8
  
#引入mysql python客户端模块
import MySQLdb
import sys
#进行数据库连接
conn= MySQLdb.connect(host="localhost", user="root", passwd="123456", db="pythontab", charset="utf8")
cursor= conn.cursor()
#执行sql
cursor.execute("select * from test")
#列出数据
records= cursor.fetchall()
for rowin records:
    for rin row:
        print r