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实例：下载某URL下的jpg图片 |
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#!/usr/bin/python |
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import re#导入正则模块
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import urllib#导入url模块
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def getHtml(url):#获取url页面源代码
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page = urllib.urlopen(url)
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html = page.read()
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return html
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def getImg(html):#下载url页面的jpg
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reg = r'src="(.*?\.jpg)" .* width'#括号.*?里面为非贪婪匹配
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imgre = re.compile(reg)#编译正则加快运行速度
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imgList = re.findall(imgre,html)
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x = 1
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for imgurl in imgList:
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urllib.urlretrieve(img,'%s.jpg' % x)#下载jpg，并命名
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x = x+1
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url = raw_input("please input your download url:")#输入url
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html = getHtml(url)
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getImg(html) |
来源：http://my.oschina.net/chape/blog/123741