干货最实用的 Python 多线程代码框架

前言

很多地方都要用到多线程，这是我经常用的多线程代码，放在博客园记录下。

代码

from multiprocessing.pool import ThreadPool

thread = 10

item_list = [1,3,4,5,6,7,8,9,10]

def sub(item):

    #do somthing...

    print(item)

if __name__ == '__main__':

    pool = ThreadPool(processes = thread)

    pool.map(sub, item_list)

    pool.close()

    pool.join()

例子

举个例子，比如我现在要多线程爬取某个网页，网站为xxx.com/?page=x，那么代码可以这样写

from multiprocessing.pool import ThreadPool

thread = 50

page_list = [1,3,4,5,6,7,8,9,10] # 爬取10页

def sub(page):

    request.get("xxx.com/?page="+str(page), timeout=5)

    #do somthing...

if __name__ == '__main__':

    pool = ThreadPool(processes = thread)

    pool.map(sub, page_list st)

    pool.close()

    pool.join()

结语

反正用的场景数不胜数，当然如果你有更好的多线程代码，可以在留言处分享~