利用d3,js將資料視覺效果，可以做到資料與代碼的分離，方便以後修改資料。
這次利用d3.js繪製了一個五維的雷達圖，即將多個對象的五種屬性在一張圖上對比。
資料寫入data.csv、資料類型寫入type.csv檔案。
效果如所示
源碼串連：http://download.csdn.net/detail/svap1/7358123
使用是只需調用 radar()函數即可，如下是測試頁面代碼。
<!DOCTYPE html><html> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/> <title>Radar chart</title> <script src="d3.v3.min.js"></script><script src="RadarChart.js"></script> </head> <body style='background:#222;margin:0;'> <div id="chart" style='width:400px;margin:0px;'></div> <script type="text/javascript" src="ra2.js"></script><script type="text/javascript" >radar('#chart','type.csv','data.csv');</script> </body></html>
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