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MySQLdb默认查询结果都是返回tuple，输出时候不是很方便，必须按照0，1这样读取，无意中在网上找到简单的修改方法，就是传递一个cursors.DictCursor就行。

默认程序：

import MySQLdb
db = MySQLdb.connect(host = 'localhost', user = 'root', passwd = '123456', db = 'test')
cursor = db.cursor()
cursor.execute('select * from user')
rs = cursor.fetchall()
print rs
# 返回类似如下
# ((1000L, 0L), (2000L, 0L), (3000L, 0L))

修改后：

import MySQLdb
import MySQLdb.cursors
db = MySQLdb.connect(host = 'localhost', user = 'root', passwd = '123456', db = 'test',
                     cursorclass = MySQLdb.cursors.DictCursor)
cursor = db.cursor()
cursor.execute('select * from user')
rs = cursor.fetchall()
print rs
# 返回类似如下
# ({'age': 0L, 'num': 1000L}, {'age': 0L, 'num': 2000L}, {'age': 0L, 'num': 3000L})

或者也可以用下面替换connect和cursor部分

db = MySQLdb.connect(host = 'localhost', user = 'root', passwd = '123456', db = 'test')
cursor = conn.cursor(cursorclass = MySQLdb.cursors.DictCursor)