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为什么我的xpath解析出来的是空列表啊?
- from selenium import webdriver
- from lxml import etree
- import os
- bro = webdriver.Chrome(executable_path="./chromedriver.exe")
- url = "https://music.163.com/m/playlist?id=6731975194"
- bro.get(url)
- page_text = bro.page_source
- tree = etree.HTML(page_text)
- tr_list = tree.xpath('//*[@id="auto-id-TEZk3fbkwpQOcPlD"]/table//tr')
- if not os.path.exists("./wangyi list music"):
- os.mkdir("./wangyi list music")
- try:
- for id_ in id_list:
- id_ = id_.split('=')[-1]
- name = name_list[i]
- i +=1
- base_url = "http://music.163.com/song/media/outer/url?id=%s.mp3" % id_
- content = req.get(url=base_url+id_,headers=headers).content
- with open("./wangyi list music/"+name+".mp3",'wb') as fp:
- fp.write(content)
- print(name+".mp3下载完成!")
- except FileNotFoundError or OSError:
- print(name+"因出错没有下载")
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