JFreeChart 折线、柱状组合图

/** * 创建chart * * @return */ public JFreeChart createChart(String Ytitle, String title, CategoryDataset lineData, CategoryDataset barData) { //参考附件 return chart; } //struts 部分 <!--begin 维优特例 --> <action name="maintainReportAction" class="maintainReportAction"> <result name="maintainReport">/page/report/jira/maintain_version_reach_component_trend_report.jsp</result> <result name="dataReport">/page/report/jira/maintain_version_reach_component_trend_table.jsp</result> <result name="dataReportComponent">/page/report/jira/maintain_component_trend_table.jsp</result> <result name="success" type="chart"> <!-- 指定图形报表的大小 --> <param name="height">550</param> <param name="width">880</param> </result> </action> <!--end 维优特例 -->