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使用 Python 进行线程编程
https://www.ibm.com/developerworks/cn/aix/library/au-threadingpython/index.html
C:\>python E:\MATHpyCLI\url_fetch_serial.py <!DOCTYPE html> <html> <head> <meta charset=‘utf-8‘> <title>Redis</title> <link href=‘/styles.css‘ rel=‘stylesheet‘> <link href=‘/images/favicon.png‘ rel=‘shortcut icon‘> <link href=‘/opensearch.xml‘ rel=‘search‘ title=‘Look up a Redis command‘ type=‘application/opensearchdescri <meta content=‘width=device-width, minimum-scale=1.0, maximum-scale=1.0‘ name=‘viewport‘> <script> var _gaq = _gaq || []; _gaq.push([‘_setAccount‘, ‘UA-20243082-1‘]); _gaq.push([‘_trackPageview‘]); (function() { var ga = document.createElement(‘script‘); ga.type = ‘text/javascript‘; ga.async = true; ga.src = (‘https:‘ == document.location.protocol ? ‘https://ssl‘ : ‘http://www‘) + ‘.google-analytics.c var s = document.getElementsByTagName(‘script‘)[0]; s.parentNode.insertBefore(ga, s); })(); </script> </head> <body class=‘‘> <div class=‘mobile-menu slideout-menu‘> <header class=‘menu-header‘></heade <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <link rel="icon" type="image/x-icon" href="/favicon.ico" /> <link type="text/css" href="/css/pages.css" media="all" rel="stylesheet"> <!-- Begin Jekyll SEO tag v2.2.0 --> <title>GitHub Pages | Websites for you and your projects, hosted directly from your GitHub repository. Just edit <meta property="og:title" content="GitHub Pages" /> <meta property="og:locale" content="en_US" /> <meta name="description" content="Websites for you and your projects, hosted directly from your GitHub repositor <meta property="og:description" content="Websites for you and your projects, hosted directly from your GitHub re <link rel="canonical" href="https://pages.github.com/" /> <meta property="og:url" content="https://pages.github.com/" /> <meta property="og Elapsed Time: 20.3339998722 C:\>
url_fetch_serial.py
import urllib2 import time #hosts = ["https://apple.com","https://ibm.com","https://amazon.com"] hosts = ["https://redis.io","http://github.io"] start = time.time() for host in hosts: url = urllib2.urlopen(host) print url.read(1024) print "Elapsed Time: %s" % (time.time()-start)
原文：http://www.cnblogs.com/yuanjiangw/p/6785499.html