KeyError

sunnychou

1. # -*- coding: utf-8 -*-
   
2. import sys
   
3. #reload(sys)
   
4. #sys.setdefaultencoding('utf-8')
   
5. import importlib
   
6. importlib.reload(sys)
   
7. 
   
8. import requests
   
9. import json
   
10. import re
    
11. j = 1
    
12. for index in range(101):
    
13.         url='https://rate.tmall.com/list_detail_rate.htm?itemId=35648967399&spuId=226460655&sellerId=1809124267&order=3&currentPage=1'+str(index)+'&append=0&content=1&tagId=&posi=&picture=&ua=011UW5TcyMNYQwiAiwQRHhBfEF8QXtHcklnMWc%3D%7CUm5OcktyT3ZCf0B9Qn9GeC4%3D%7CU2xMHDJ7G2AHYg8hAS8WKAYmCFQ1Uz9YJlxyJHI%3D%7CVGhXd1llXGVYYVVoV2pVaFFvWGVHe0Z%2FRHFMeUB4QHxCdkh8SXJcCg%3D%3D%7CVWldfS0RMQ47ASEdJwcpSDdNPm4LNBA7RiJLDXIJZBk3YTc%3D%7CVmhIGCUFOBgkGiMXNwswCzALKxcpEikJMwg9HSEfJB8%2FBToPWQ8%3D%7CV29PHzEfP29VbFZ2SnBKdiAAPR0zHT0BOQI8A1UD%7CWGFBET8RMQszDy8QLxUuDjIJNQA1YzU%3D%7CWWBAED4QMAU%2BASEYLBksDDAEOgA1YzU%3D%7CWmJCEjwSMmJXb1d3T3JMc1NmWGJAeFhmW2JCfEZmWGw6GicHKQcnGCUdIBpMGg%3D%3D%7CW2JfYkJ%2FX2BAfEV5WWdfZUV8XGBUdEBgVXVJciQ%3D&isg=82B6A3A1ED52A6996BCA2111C9DAAEE6&_ksTS=1440490222698_2142&callback=jsonp2143'
    
14. 
    
15.         cont=requests.get(url).content
    
16.         cont = cont.decode("GBK")
    
17.        
    
18.         rex=re.compile(r'\w+[(]{1}(.*)[)]{1}')
    
19.         content=rex.findall(cont)[0]
    
20.         con=json.loads(content)
    
21.         count=len(con['rateDetail']['rateList'])
    
22.         for i in range(count):
    
23.             print(str(j)+"/"+con['rateDetail']['rateList'][i]['rateContent']+'/'+con['rateDetail']['rateList'][i]['rateDate'])
    
24.             j += 1
    

复制代码

报错如下，请大家解决
Traceback (most recent call last):
  File "E:\soft\导师作业\reviews\taobaophone.py", line 20, in <module>
    count=len(con['rateDetail']['rateList'])
KeyError: 'rateDetail'

新手·ing

rateDetail是什么，前面没提啊

冬雪雪冬

我运行你的程序没有问题。

ooxx7788

问题是在运行一段时间后出现的，原因是没有返回ratedetail。处理方法就是增加if进行判断。

sunnychou

ooxx7788 发表于 2017-4-7 12:52
问题是在运行一段时间后出现的，原因是没有返回ratedetail。处理方法就是增加if进行判断。

呵呵哒