#queue队列 #生产者消费者模型

 #queue队列  #生产者消费者模型

 #queue队列 #有顺序的容器
 #程序解耦
 #提高运行效率

 #class queue.Queue(maxsize=0) #先入先出
 #class queue.LifoQueue(maxsize=0)最后在第一
 #class queue.PriorityQueue(maxsize=0) #存储数据时可设置优先级的队列#VIP客户

 #Queue.qsize()
 #Queue.empty() #return True if empty
 #Queue.full() # return True if full
 #Queue.put(item, block=True, timeout=None)

 '''
 import queue
 q = queue.Queue()
 q.put('d1')
 q.put('d2')
 q.put('d3')
 print (q.qsize())

 print(q.get())
 print(q.get())
 print(q.get())
 print(q.get())#没有东西就卡死了
 '''
 '''
 import queue

 q = queue.Queue()
 q.put(1)
 q.put(2)
 q.put(3)

 print(q.get())
 print(q.get())
 print(q.get())
 #print(q.get())#没有东西就卡死了

 print(q.qsize())#查看
 q.get_nowait()#异常
 '''
 '''
 #后进先出
 import queue
 q = queue.LifoQueue()
 q.put(1)
 q.put(2)
 q.put(3)

 print(q.get())
 print(q.get())
 print(q.get())
 '''
 '''
 #VIP
 import queue

 q = queue.PriorityQueue()
 q.put((-1,'c'))
 q.put((3,'h'))
 q.put((10,'alex'))
 q.put((6,'w'))

 print(q.get())
 print(q.get())
 print(q.get())
 print(q.get())
 '''
 #生产者消费者模型

 import threading,time
 import queue

 q = queue.Queue(maxsize=10)

 def Producer(name):
     count =1
     while True:
         q.put('骨头%s'% count)
         print ('生成了骨头',count)
         count +=1
         time.sleep(0.1)
 def Consumer(name):
     #while q.qsize() > 0 :
     while True:
         print ('[%s] 取到 [%s] 并且吃了它...'% (name,q.get()))
         time.sleep(1)

 p = threading.Thread(target=Producer,args=('Alex',))
 c = threading.Thread(target=Consumer,args=('陈荣华',))
 c1 = threading.Thread(target=Consumer,args=('王森',))
 p.start()
 c.start()
 c1.start()

 #下面来学习一个最基本的生产者消费者模型的例子
 '''
 import threading
 import queue

 def producer():
     for i in range(10):
         q.put("骨头 %s" % i )

     print("开始等待所有的骨头被取走...")
     q.join()
     print("所有的骨头被取完了...")

 def consumer(n):
     while q.qsize() >0:
         print("%s 取到" %n  , q.get())
         q.task_done() #告知这个任务执行完了

 q = queue.Queue()
 p = threading.Thread(target=producer,)
 p.start()
 c1 = consumer("李闯")
 '''

 '''
 import time,random
 import queue,threading
 q = queue.Queue()
 def Producer(name):
   count = 0
   while count <20:
     time.sleep(random.randrange(3))
     q.put(count)
     print('Producer %s has produced %s baozi..' %(name, count))
     count +=1
 def Consumer(name):
   count = 0
   while count <20:
     time.sleep(random.randrange(4))
     if not q.empty():
         data = q.get()
         print(data)
         print('1mConsumer %s has eat %s baozi...' %(name, data))
     else:
         print("-----no baozi anymore----")
     count +=1
 p1 = threading.Thread(target=Producer, args=('A',))
 c1 = threading.Thread(target=Consumer, args=('B',))
 p1.start()
 c1.start()
 '''

#queue队列 #生产者消费者模型