20.multi_case02

# 多进程，使用Process对象

from multiprocessing import Process

def f(name):

    print('hello', name)

if __name__ == '__main__':

    p_1 = Process(target=f, args=('bob',))

    p_1.start()

    p_1.join()

    p_2 = Process(target=f, args=('alice',))

    p_2.start()

    p_2.join()

# 多进程，使用Process对象

import time

import requests

from multiprocessing import Process

task_list = [

    'https://www.jianshu.com/p/91b702f4f24a',

    'https://www.jianshu.com/p/8e9e0b1b3a11',

    'https://www.jianshu.com/p/7ef0f606c10b',

    'https://www.jianshu.com/p/b117993f5008',

    'https://www.jianshu.com/p/583d83f1ff81'

]

header = {

    'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',

    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 '

    '(KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36'}

def download(url):

    response = requests.get(url,

                            headers=header,

                            timeout=30

                            )

    print(response.status_code)

if __name__ == '__main__':

    for item in task_list:

        p = Process(target=download, args=(item,))

        p.start()

        p.join()