python实现模拟浏览器访问网页

原文：

import urllib2 import timeit import thread import time i = 0 x = 0mylock = thread.allocate_lock() def test(no,r):global iurl = ''for j in range(1,r):req=urllib2.Request(url)req.add_header("User-Agent","Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)")file = urllib2.urlopen(req)print file.getcode();mylock.acquire()i+=1mylock.release()print i;thread.exit_thread() def fast():thread.start_new_thread(test,(1,50))thread.start_new_thread(test,(2,50))thread.start_new_thread(test,(3,50)) thread.start_new_thread(test,(4,50)) thread.start_new_thread(test,(5,50))thread.start_new_thread(test,(6,50))thread.start_new_thread(test,(7,50))for x in range(1,150): fast() time.sleep(0.08) x = x + 1

，你不勇敢，没人替你坚强。