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

#分析用户身份审核信息

#python 3.5

#xiaodeng

#http://apistore.baidu.com/apiworks/servicedetail/113.html

import urllib.parse

import urllib.request

import time

#python UnicodeDecodeError: 'gbk' codec can't decode byte 0xff in position 0

#解决以上编码错误问题

#encoding= 'utf8'

data=open("cardno.txt",encoding= 'utf8')

result=open("result.txt","w",encoding= 'utf8')     #指定文件的编码格式

url = "http://apis.baidu.com/apistore/idservice/id?id="

for k in data:

    k=k.strip()

    k=k.split('\t')

    uid=k[0]

    name=k[1]

    cardno=str(k[2])

    print(cardno)

    My_url=url+cardno

    time.sleep(0.1)

    try:

        req = urllib.request.Request(My_url)

        req.add_header("apikey","xxxxxxxxxxxxxxxxxxxxxxxxxxxxx")

        response = urllib.request.urlopen(req)

        the_page = response.read()

        try:

            the_page=eval(the_page)

            try:

                retData=the_page["retData"]

                birthday=retData["birthday"]

                sex=retData["sex"]

                address=retData["address"]

                result.write("%s\t%s\t%s"%(sex,birthday,address)+"\n")

            except:

                result.write("%s\t%s\t%s"%("数据错误","数据错误","数据错误")+"\n")

        except Exception as err:

            print(err)

    except Exception as err:

            print(err)

result.close()

在打开和写入文件时，写明编码格式即可
encoding='utf8'

data=open("cardno.txt",encoding= 'utf8')

result=open("result.txt","w",encoding= 'utf8')     #指定文件的编码格式