# encoding: utf-8 """ @author: lileilei @site: @software: PyCharm @file: login.py @time: 2017/7/26 10:28 """ import requests,time from multiprocessing import Pool url='http://www.jd.com' total=0 suc=0 fail=0 ecept=0 maxtime=0 mintime=0 gt3=0 lt3=0 def baiduGent(): global total global suc global fail global gt3 global lt3 global ecept 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(time_span) if time_span>3: gt3+=1 else: lt3+=1 except Exception as e: print(e) total+=1 ecept+=1 if __name__ =='__main__': print('===========请求开始===========') start_time = time.time() pools = Pool(100) for i in range(10): pools.apply_async(baiduGent,args=()) pools.close() pools.join() from multiprocessing import Process,Queue import os, time, random def write(q): print('Process to 产生: %s' % os.getpid()) for value in ['苹果', '香蕉', '橘子']: print('产生 %s to queue...' % value) q.put(value) time.sleep(random.random()) def read(q): print('Process to 消费: %s' % os.getpid()) while True: value = q.get() print('消费 %s from queue.' % value) if __name__=='__main__': q = Queue() pw = Process(target=write, args=(q,)) pr = Process(target=read, args=(q,)) pw.start() pr.start() pw.join() pr.terminate() m=list(map(lambda x: x * x, [1, 2, 3, 4, 5, 6, 7, 8, 9])) print(m) f=list(map(lambda x:True if x%3==0 else False,range(100))) print(f) import asyncio @asyncio.coroutine async def hello(): print ('hello word') r=await asyncio.sleep(1) print('hello again') loop=asyncio.get_event_loop() loop.run_until_complete(hello()) loop.close() import threading import asyncio @asyncio.coroutine def hello(): print('Hello world! (%s)' % threading.currentThread()) yield from asyncio.sleep(1) print('Hello again! (%s)' % threading.currentThread()) loop = asyncio.get_event_loop() tasks = [hello(), hello()] loop.run_until_complete(asyncio.wait(tasks)) loop.close() import asyncio @asyncio.coroutine def wget(host): print('wegt %s ....'%host) connt=asyncio.open_connection(host,80) reder,writer=yield from connt hserd= 'GET / HTTP/1.0\r\nHost: %s\r\n\r\n' % host writer.write(hserd.encode('utf-8')) yield from writer.drain() while 1: line=yield from reder.readline() if line ==b'\r\n': break print('%s header > %s' % (host, line.decode('utf-8').rstrip())) writer.close() loop=asyncio.get_event_loop() tasks=[wget(host) for host in ['www.sina.com.cn', 'www.sohu.com', 'www.163.com']] loop.run_until_complete(asyncio.wait(tasks)) loop.close() import asyncio from aiohttp import web async def index(request): await asyncio.sleep(0.5) return web.Response(body=b'<h1>Index</h1>',content_type='text/html') async def hello(request): await asyncio.sleep(0.5) text = '<h1>hello, %s!</h1>' % request.match_info['name'] return web.Response(body=text.encode('utf-8'),content_type='text/html') async def init(loop): app = web.Application(loop=loop) app.router.add_route('GET', '/', index) app.router.add_route('GET', '/hello/{name}', hello) srv = await loop.create_server(app.make_handler(), '127.0.0.1', 8000) print('Server started at http://127.0.0.1:8000...') return srv loop = asyncio.get_event_loop() loop.run_until_complete(init(loop)) loop.run_forever() import asyncio,time @asyncio.coroutine async def hello(): print ('hello word') start_time=time.time() loop=asyncio.get_event_loop() tasks=[] for i in range(10000): tasks.append(hello()) loop.run_until_complete(asyncio.wait(tasks)) loop.close() print('异步处理时间:%s'%(time.time()-start_time)) import time,gevent def print_s(num): st=time.time() conn=requests.get('http://www.jd.com') res=conn.status_code if res==200: print('chenggong') else: print('shibai') start_time=time.time() events=[gevent.spawn(print_s,num)for num in range(10000)] gevent.joinall(events) print('协程时间:%s'%(time.time()-start_time))