python 访问sqlite，使用装饰器封装，去掉重复的连接代码

# -*- coding:utf-8 -*-

import os
import sqlite3
import sys
reload(sys)
sys.setdefaultencoding('utf8')

def get_con(func):
    data_path = r'../db.sqlite3'
    def sql_exc():
        con = sqlite3.connect(unicode(data_path))
        con.text_factory=str
        cur = con.cursor()
        func(cur)
        cur.close()
        con.close()
    return sql_exc

@get_con
def get_art(cur):
    cur.execute('select * from blog_article ')
    rows = cur.fetchall()
    print rows

@get_con
def get_nav(cur):
    cur.execute('select * from blog_nav ')
    rows = cur.fetchall()
    for row in rows:
        for i in row:
            print str(i).encode('gbk')

get_art()

get_nav()