Highcharts is a charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application. Highcharts currently supports line, spline, area, areaspline, column, bar, pie and scatter chart types.
支持将页面的矢量图导出成PNG、JPEG、PDF等格式
通过POST将页面的SVG矢量图，提交到server，在server端用apache batik生成图片。
利用apache batik，支持导出