异步多线程处理

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import asyncio,time,requests   import threading, time, requests url = "http://www.jd.com" total = 0 suc = 0 fail = 0 exception = 0 maxtime=0 mintime=100 gt3=0 lt3=0 class RequestThread(threading.Thread):     def __init__(self, thread_name):          threading.Thread.__init__(self)          self.test_count = 0     def run(self):         self.test_performace()     def test_performace(self):              global total             global suc             global fail             global exception             global gt3             global lt3             try:                  st = time.time()                  conn = requests.get(url)                 res = conn.status_code                 if res== 200:                     total+=1                     suc+=1                 else:                     total+=1                     fail+=1                 time_span = time.time()-st                  print ('%s:%f\n'%(self.name,time_span)  )                 self.maxtime(time_span)                  self.mintime(time_span)                  if time_span>3:                     gt3+=1                 else:                     lt3+=1             except Exception as e:                  print (e  )                 total+=1                 exception+=1     def maxtime(self,ts):              global maxtime             print (ts)             if ts>maxtime:                 maxtime=ts     def mintime(self,ts):              global mintime             if ts<mintime:                 mintime=ts @asyncio.coroutine async def hello():     thread_count = 1000     i = 0      while i <= thread_count:          t = RequestThread("线程：" + str(i))         t.start()          i += 1 start_time=time.time() loop=asyncio.get_event_loop() loop.run_until_complete(hello()) loop.close() print('异步处理时间：%s'%(time.time()-start_time))