ruby1.9.3-Download the network pictures to local and save them by number.

#本程序功能: Download the Web image to local and save it by number. #使用Ruby1.9.3 is written under WINXP_SP3. Require ' Nokogiri ' require ' Open-uri ' #以下 parse the page based on the URL. page = nokogiri::html (open ("http://www.169bb.com/News/2014-12-20/093288.htm")) Arrlen =  page.css (' img '). Lengthmypics = Array.new (Arrlen) #以下 the parsed image address into the mypics array. For x in 0...arrlenmypics[x] = PAGE.CSS (' img ') [x][' src ']end# the following traversal array, saving the network image to local. For x in 0...mypics.lengthuri = Uri.parse (mypics[x]) Rfile = Uri.openwfile = File.Open ("d:\\#{x}.jpg", ' WB ') wfile.puts Rfile.readwfile.closeendputs ' OK ' #写的很差, crawl speed unpleasant, Nokogiri and open-uri many still do not understand.

ruby1.9.3-Download the network pictures to local and save them by number.