我目前有大约1000个要下载的excel文件的Web链接。文档名称中没有任何模式，因此我只抓取了所有Web链接，其中一些如下所示。
VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0011/172775/Market_Information_System_Control_daily_trading_day_190130.xlsx
VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0004/172732/Market_Information_System_Control_daily_trading_day_190129.xlsx
VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0010/172675/Market_Information_System_Control_daily_trading_day_190128.xlsx
VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0009/172674/Market_Information_System_Control_daily_trading_day_190127.xlsx
VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0008/172673/Market_Information_System_Control_daily_trading_day_190126.xlsx
VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0007/172672/Market_Information_System_Control_daily_trading_day_190125.xlsx
VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0011/172595/Market_Information_System_Control_daily_trading_day_190124.xlsx
主要问题之一是这些链接中的每个链接都在其开头有VM300:1，这不是链接的一部分。我该如何从每个链接的开头删除此“ VM300：1”，大约有1000个链接，因此手动进行操作是不可行的。
该错误修复后，我下载文件的代码仍然无法正常工作吗？
这是我当前的代码：
import urllib2
urlfiles = ['https://www.powerwater.com.au__data/assets/excel_doc/0011/172775/Market_Information_System_Control_daily_trading_day_190130.xlsx',
'https://www.powerwater.com.au__data/assets/excel_doc/0004/172732/Market_Information_System_Control_daily_trading_day_190129.xlsx',
'https://www.powerwater.com.au__data/assets/excel_doc/0010/172675/Market_Information_System_Control_daily_trading_day_190128.xlsx']
urllib2.urlopen(urlfiles)
任何帮助将不胜感激。
答案 0 :(得分：1)
您可以像下面这样基于空格分割网址：
>>> urls = [
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0011/172775/Market_Information_System_Control_daily_trading_day_190130.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0004/172732/Market_Information_System_Control_daily_trading_day_190129.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0010/172675/Market_Information_System_Control_daily_trading_day_190128.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0009/172674/Market_Information_System_Control_daily_trading_day_190127.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0008/172673/Market_Information_System_Control_daily_trading_day_190126.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0007/172672/Market_Information_System_Control_daily_trading_day_190125.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0011/172595/Market_Information_System_Control_daily_trading_day_190124.xlsx"
]
>>>
>>> urlfiles = [url.split()[1] for url in urls ]
>>> print(urlfiles)
['https://www.powerwater.com.au__data/assets/excel_doc/0011/172775/Market_Information_System_Control_daily_trading_day_190130.xlsx',
'https://www.powerwater.com.au__data/assets/excel_doc/0004/172732/Market_Information_System_Control_daily_trading_day_190129.xlsx',
'https://www.powerwater.com.au__data/assets/excel_doc/0010/172675/Market_Information_System_Control_daily_trading_day_190128.xlsx',
'https://www.powerwater.com.au__data/assets/excel_doc/0009/172674/Market_Information_System_Control_daily_trading_day_190127.xlsx',
'https://www.powerwater.com.au__data/assets/excel_doc/0008/172673/Market_Information_System_Control_daily_trading_day_190126.xlsx',
'https://www.powerwater.com.au__data/assets/excel_doc/0007/172672/Market_Information_System_Control_daily_trading_day_190125.xlsx',
'https://www.powerwater.com.au__data/assets/excel_doc/0011/172595/Market_Information_System_Control_daily_trading_day_190124.xlsx']
除此之外，您需要遍历urlfiles中的每个url才能像这样打开它：
>>> import urllib2
>>>
>>> for url in urlfiles:
... urllib2.urlopen(url)
答案 1 :(得分：1)
如果您的链接实际上都以'VM300:1 '开头，则需要将其删除，那么您也可以忽略前8个字符，而不必担心正则表达式。
对于下载所有这些文件，假设没有基于Cookie，会话等的限制，并使用Python 3：
import urllib.request
from pathlib import Path
urls = [
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0011/172775/Market_Information_System_Control_daily_trading_day_190130.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0004/172732/Market_Information_System_Control_daily_trading_day_190129.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0010/172675/Market_Information_System_Control_daily_trading_day_190128.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0009/172674/Market_Information_System_Control_daily_trading_day_190127.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0008/172673/Market_Information_System_Control_daily_trading_day_190126.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0007/172672/Market_Information_System_Control_daily_trading_day_190125.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0011/172595/Market_Information_System_Control_daily_trading_day_190124.xlsx"
]
for url in urls:
urllib.request.urlretrieve(url=url[8:], filename=Path(url).name)
答案 2 :(得分：1)
我听说过python，却没有提到requests吗？
from pathlib import Path
import requests
urls = [
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0011/172775/Market_Information_System_Control_daily_trading_day_190130.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0004/172732/Market_Information_System_Control_daily_trading_day_190129.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0010/172675/Market_Information_System_Control_daily_trading_day_190128.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0009/172674/Market_Information_System_Control_daily_trading_day_190127.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0008/172673/Market_Information_System_Control_daily_trading_day_190126.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0007/172672/Market_Information_System_Control_daily_trading_day_190125.xlsx",
"VM300:1 https://www.powerwater.com.au__data/assets/excel_doc/0011/172595/Market_Information_System_Control_daily_trading_day_190124.xlsx"
]
for url in urls:
link = url.split()[1]
r = requests.get(link)
with open(Path(link).name, 'wb') as f:
f.write(r.content)