[已解决]为什么我这里列表会out of range

RIXO

代码如下：运行到album_get的时候会提示
Traceback (most recent call last):
  File "E:\邓丽君\爬虫藏族音乐.py", line 50, in <module>
    download_mp3(num = 10)
  File "E:\邓丽君\爬虫藏族音乐.py", line 42, in download_mp3
    album_name = album_get(abulm_url)
  File "E:\邓丽君\爬虫藏族音乐.py", line 20, in album_get
    album_name = a[0].split('：')[-1]
IndexError: list index out of range

1. import requests
   
2. import os,re
   
3. from bs4 import BeautifulSoup
   
4. 
   
5. def url_open(url):
   
6.     headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.84 Safari/537.36'}
   
7.     r = requests.get (url,headers = headers)
   
8.     html = r.text
   
9.     soup = BeautifulSoup(html,'lxml')
   
10.     return soup
    
11. 
    
12. 
    
13. def save_mp3(mp3_name,album_name):
    
14.     pass
    
15.    
    
16. 
    
17. def album_get(url):
    
18.     soup = url_open(url)
    
19.     a = soup.find_all(text = re.compile('专辑名称：'))
    
20.     album_name = a[0].split('：')[-1]
    
21.     return album_name
    
22. 
    
23. def name_get(url):
    
24.     b = []
    
25.     soup = url_open(url)
    
26.     a = soup.find_all('a',href = re.compile('play'))
    
27.     for name in a:
    
28.         b.append(name.string)
    
29.     return b
    
30.    
    
31. 
    
32. def download_mp3(folder = '音乐',num = 10):
    
33.     try:
    
34.         os.mkdir(folder)
    
35.     except FileExistsError:
    
36.         os.chdir(folder)
    
37. 
    
38.     url = 'http://www.25xz.com/Special/'
    
39.    
    
40.     for i in range(1,num):
    
41.         abulm_url = url +str(i)+'.shtml'
    
42.         album_name = album_get(abulm_url)
    
43.         song_list = name_get(abulm_url)
    
44.         for mp3_name in song_list:
    
45.             mp3_addrs = 'http://bama.25xz.com/'+str(album_name)+'/'+str(mp3_name)+'\.mp3'
    
46.             save_mp3(mp3_name,album_name)        
    
47.         
    
48. 
    
49. if __name__ == '__main__':
    
50.     download_mp3(num = 10)

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最佳答案

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塔利班

2018-9-22 08:30:12

因为是空列表

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塔利班

因为是空列表

RIXO

塔利班 发表于 2018-9-22 08:30
因为是空列表

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