Prototype图表插件 Flotr

     <p>Flotr是一个基于Prototype开发的javascript绘图工具。支持图例，鼠标跟踪，图片区域选择，图片缩放，添加事件钩子（event hook），通过CSS设置样式等。支持图表类型：</p>    <ul>     <li>Histograms (vertical, horizontal, stacked bars) </li>     <li>Lines (filled or not) </li>     <li>Points (scatter plots) </li>     <li>Pie chart </li>     <li>Candle sticks (and barcharts) </li>     <li>Radar chart </li>     <li>Markers (positioned text) </li>    </ul>    <p><img alt="Prototype图表插件 Flotr" src="https://simg.open-open.com/show/171af6fadb1e4aab4f28979e31b6c3e8.jpg" width="400" height="199" /><br /> <br /> </p>    <p><strong>项目主页：</strong><a href="http://www.open-open.com/lib/view/home/1322837506030" target="_blank">http://www.open-open.com/lib/view/home/1322837506030</a></p>