基于Java开源图表工具OpenFlashChart生成蜡烛图（俗称K线图）。使用OFC2的Struts自定义插件返回方式。图表数据来自webapps中的data*.json。-Generated based on the Java open source chart tools OpenFlashChart candles (commonly known as the K-line diagram). The use OFC2 Struts custom plug-in return the