“参考文献 http://www.jfree.org/jfreechart/
根据(https://bbs.csdn.net/topics/110051940)认为引入 jcommon.jar,log4j.jar 可以解决这个问题,事实证明,的确如此!
“Jfreechart 绘制漂亮的图表[3] >Jfreechart 中文 API 和属性详解[4] >下载 Code[5]PS:转载这为大神的连接~个人觉得非常不错
[1]官网: http://www.jfree.org/jfreechart/
[2]Github: https://github.com/jfree/jfreechart
[3]Jfreechart绘制漂亮的图表: https://my.oschina.net/abian/blog/278448
[4]Jfreechart中文API和属性详解: https://my.oschina.net/abian/blog/278465
[5]下载Code: https://www.oschina.net/code/snippet_855019_36505