11-3 Python的线程通信Queue

import threading
import time

global_list = []

def get_html(global_list):
    while True:
        if(len(global_list)):
            item = global_list.pop()
            print(item)
        else:
            print("No item to show")

def get_url(global_list):
    for i in range(100):
        global_list.append(i)


thread1 = threading.Thread(target=get_url,args=(global_list,))
thread2 = threading.Thread(target=get_html,args=(global_list,))
#thread3 = threading.Thread(target=get_html,args=(global_list,))

thread1.start()
thread2.start()
#thread3.start()

import threading
from queue import Queue

global_list = []

def get_html(queue):
    status = 0
    while True:
        url = queue.get()
        if (status == 2):
            break
        if(url):
            print("url is ",url)
        else:
            status +=1

def get_url(queue):

    for i in range(1000):
        queue.put(i)
        print("i is ",i)

if __name__ == "__main__":
    news_queue = Queue(maxsize=1000)
    thread1 = threading.Thread(target=get_url,args=(news_queue,))
    thread2 = threading.Thread(target=get_html,args=(news_queue,))
    #thread3 = threading.Thread(target=get_html,args=(global_list,))

    thread1.start()
    thread2.start()
    #thread3.start()
    
>>>  
i is  0
...
i is  9
url is  1
i is  10
i is  11
...
i is  31
i is  32
url is  2
i is  33
i is  34