python多線程爬蟲 和訊期貨 标題和内容頁的URL

#coded by 伊瑪目的門徒
import re
import requests
import time
from bs4 import BeautifulSoup

urllist=[]
titlelist=[]

start = time.clock()  # 計時-開始



from concurrent.futures import ThreadPoolExecutor


header={'user-agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.XXXX.XXX Safari/537.36'}


def do(i):
    try:
        cd=[]
        html=requests.get('http://futures.hexun.com/domestic/index-'+str(i)+'.html',headers=header)

        html.encoding='gbk'

        Soup = BeautifulSoup(html.text, "lxml")
        #ab=Soup.select('li a[target="_blank"]')
        ab=Soup.select('div.temp01 ul li a[target="_blank"]')

        for x in range(len(ab)):
            if (x % 2) == 1:
                cd.append (ab[x])

        print ('-----------------')

        pattern = re.compile(r'<a href="(.*?)" target="_blank" rel="external nofollow"  target="_blank">',re.S)   # 查找數字
        result1 = pattern.findall(str(cd))
        pattern2 = re.compile(r'target="_blank">(.*?)</a>',re.S)
        result2 = pattern2.findall(str(cd))
        print (result1)
        urllist.extend(result1)
        print (result2)
        titlelist.extend(result2)


        list1.remove(i)






    except:
        pass



# 多線程
def multithreading():
    sum=0

    while len(list1)>0:
        with ThreadPoolExecutor(max_workers=10) as executor:
            for result in executor.map(do, list1):
                sum+=1

    return sum




list1=list(range(1,393,1))

sum=multithreading()
print ('還剩下{}頁'.format(list1))



end = time.clock()  # 計時-結束
print (("爬取完成 用時："))
print ((end - start))


print ('總爬取 %d 頁 '%(sum))

while None in titlelist:
    titlelist.remove(None)

while None in urllist:
    urllist.remove(None)

print (titlelist)

print (urllist)


'''
#可作為TXT輸出
with open("test.txt","w") as f:
        for thing in urllist:

            f.write(thing)
            f.write('\r\n')
'''
           

示範視訊：

https://www.bilibili.com/video/av80003976/

python多線程爬蟲和訊網 标題和正文URL效果展示

後續可看 

https://blog.csdn.net/qq_37195257/article/details/103643238