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    dygraphs ÒÀÀµHTMLµÄ<canvas>±êÇ©£¬¶øÕâ¸ö±êǩ΢ÈíµÄIE Ç¡Ç¡²»Ö§³Ö¡£¹Ù·½ÍøÒ³ÉÏ˵û¹Øϵ£¬ÄãÖ»Òª°üº¬Ò»¸ö½Ðexcanvas µÄJavaScript. ¿â¾ÍÐÐÁË£¬µ«¾ÝÎÒ²âÊÔЧ¹û²¢²»ºÃ¡£ËùÒÔÄ㻹ÊÇÔÚChrome »òÕßFirefox Ï´ò¿ª°É¡£
    ¹ÙÍøÉÏ»¹Ëµdygraphs Ö§³ÖÖ±½Óµ¼ÈëCSV Îļþ£¬µ«ÊÔÁ˼¸´Î¶¼Ã»³É¡£×îºó¾ö¶¨ÓÃRuby °Ñ.csv Îļþת³É.js Îļþ¡£Éú³É½Å±¾£º
pre = "function data() {\n return "
post = ";\n}"
lable = ""
s = []
PATH = "./dygraphs/temperatures.csv"
File.open(PATH) do |file|
lable += "\"#{file.gets.chomp}\\n\" +\n"
file.each_line do |line|
s << ("\"" + line.chomp + "\\n\"") if line != "\n"
end
end
File.open("c:/Pope/javascript/dygraphs/data.js", "w") do |file|
file.puts(pre + lable + s.join(" +\n") + post)
end 
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<html>
<head>
<mce:script. type="text/javascript"
src="dygraph-combined.js"></mce:script>
</head>
<body>
<div id="graphdiv2"
style="width:500px; height:300px;"></div>
<mce:script. type="text/javascript"
src="data.js"></mce:script>
<mce:script. type="text/javascript"><!--
g2 = new Dygraph(
document.getElementById("graphdiv2"),
data(), // path to CSV file
{} // options
);
// --></mce:script>
</body>
</html> 
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