|
马上注册,结交更多好友,享用更多功能^_^
您需要 登录 才可以下载或查看,没有账号?立即注册
x
本帖最后由 2242253525 于 2022-1-22 14:53 编辑
小甲鱼py的那个爬虫视频,我照着写了之后是显示ValueError: unknown url type,但是加上http://显示 OSError: [Errno 22] Invalid argument
- import urllib.request
- import os
- import base64
- def url_open(url):
- req =urllib.request.Request(url)
- req.add_header('user-agent','Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36')
- response=urllib.request.urlopen(url)
- html=response.read()
- return html
- def get_page(url):
- html=url_open(url).decode('utf-8')
- a=html.find('current-comment-page')+23
- b=html.find(']',a)
- return html[a:b]
- def find_imgs(url):
- html=url_open(url).decode('utf-8')
- img_addrs=[]
- a=html.find('img src=')
- while a !=-1:
-
- b=html.find('.jpg',a,a+255)
- if b !=-1:
- img_addrs.append(html[a+9:b+4])
- else:
- b=a+9
-
- a=html.find('img src=',b)
- return img_addrs
- def save_imgs(folder,img_addrs):
- for each in img_addrs:
- #我觉得应该是这里有问题
- filename= each.split('/')[-1]
- with open(filename,'w')as f:
- img = url_open(each)
- f.write(img)
- def download_mm(floder='ooxx',pages=10):
- os.mkdir(floder)
- os.chdir(floder)
- url='http://jandan.net/girl'
- page_num=int(get_page(url))
- for i in range(pages):
- s='20220122-'
- page_num-=i
- a=s+str(page_num)
- i=base64.b64encode(a.encode())
- page_url=url+'/'+i.decode()+'#comments'
- img_addrs=find_imgs(page_url)
- save_imgs(floder,img_addrs)
- if __name__=='__main__':
- download_mm()
复制代码
你的代码要改两处地方
- import urllib.request
- import os
- import base64
- def url_open(url):
- req =urllib.request.Request(url)
- req.add_header('user-agent','Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36')
- response=urllib.request.urlopen(req)
- html=response.read()
- return html
- def get_page(url):
- html=url_open(url).decode('utf-8')
- a=html.find('current-comment-page')+23
- b=html.find(']',a)
- return html[a:b]
- def find_imgs(url):
- html=url_open(url).decode('utf-8')
- img_addrs=[]
- a=html.find('img src=')
- while a !=-1:
-
- b=html.find('.jpg',a,a+255)
- if b !=-1:
- img_addrs.append(html[a+9:b+4])
- else:
- b=a+9
-
- a=html.find('img src=',b)
- return img_addrs
- def save_imgs(folder,img_addrs):
- for each in img_addrs:
- #我觉得应该是这里有问题
- filename= each.split('/')[-1]
- with open(filename,'wb')as f: # 第一处
- img = url_open("http:" + each) # 第二处
- f.write(img)
- def download_mm(floder='ooxx',pages=10):
- os.mkdir(floder)
- os.chdir(floder)
- url='http://jandan.net/girl'
- page_num=int(get_page(url))
- for i in range(pages):
- s='20220122-'
- page_num-=i
- a=s+str(page_num)
- i=base64.b64encode(a.encode())
- page_url=url+'/'+i.decode()+'#comments'
- img_addrs=find_imgs(page_url)
- save_imgs(floder,img_addrs)
- if __name__=='__main__':
- download_mm()
复制代码
|
|