多线程爬虫

• beautifulsoup4
• urllib3
• threading
• os
• time

图集谷

目前能够根据页数设定爬网，在单一写真内可以自动翻页。
后面再优化一下注释部分，做到模特页内的自动翻页。

# -*- coding: utf-8 -*-
"""
Created on Thu Sep 23 14:40:18 2021

@author: ZhaZhiCheng
"""

from bs4 import  BeautifulSoup
from urllib3 import PoolManager
from time import  sleep
import os
import threading as th

def GetPic(src,DirName,count):
    http=PoolManager()
    number=str(count)+r'.jpg'
    pic=http.request('get',src)
    with open(DirName+r'/'+number, 'wb') as f:
        f.write(pic.data)
    

def CrawPhoto(url):
    http=PoolManager()
# CurrentUrl=r'https://www.tujigu.net/a/45261/' 
    CurrentUrl=url
    File=http.request('get',CurrentUrl)
    html=BeautifulSoup(File.data,'html.parser')
    Header=html.find(class_='weizhi').find('h1').text
    DirName=''.join(Header.split(' ')).replace(r'@','').replace(r'&','').replace(r'/','')
    try:
        os.system('mkdir '+DirName)
        print(DirName)
    except :
        print('error')
        return 0
        pass
    NextPage=url
    CurrentUrl=' '
    count=0
    while(CurrentUrl!=NextPage):
        CurrentUrl=NextPage
        File=http.request('get',CurrentUrl)
        html=BeautifulSoup(File.data,'html.parser')
        PicSrc=html.find(class_='content').find_all(class_='tupian_img')
        Thread_List=[]
        for i in PicSrc:
            src=i['src']
            NewThread=th.Thread(target=GetPic,args=[src,DirName,count])
            NewThread.start()
            Thread_List.append(NewThread)
            count=count+1
        for j in Thread_List:
            j.join()
            # print(DirName)

        try:
            NextPage=html.find(class_='a1',text='下一页')['href']
        except :
            break
        sleep(0.1)
        

def Geturl(domain,url):
    PM=PoolManager()
    File=PM.request('get',url)
    Html=BeautifulSoup(File.data,'html.parser')
    PhotoSeries=Html.find(class_='hezi').find_all('li')
    for i in PhotoSeries:
        photourl=i.find('a')['href']
        CrawPhoto(photourl)
#        if Html.find(attrs={'id':'pages'}).find(class_='next').text !='上一页':
#            url=domain+Html.find(attrs={'id':'pages'}).find(class_='next')['href']
#        else:
#            break
            
       
url=r'https://www.tujigu.net/t/5789/'
domain=r'https://www.tujigu.net'   
Geturl(domain,url)   
pages=1#根据目标页数设定
for i in range(1,pages,1):
    a=r'/index_'+str(i)+r'.html'
    b=url+a
    Geturl(domain,b)