擅长:python、mysql、java
<p>您可以使用rubygems<strong>nokogiri</strong>打开网页并使用xpath下载图像。在</p>
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<pre><code>require 'open-uri'
require 'nokogiri'
f = open('sample.flv')
begin
http.request_get('/sample.flv') do |resp|
resp.read_body do |segment|
f.write(segment)
end
end
ensure
f.close()
end
</code></pre>
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