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csdn
22 年
有人用JFreeChart吗?给个例子,讲讲怎么用!
<一>前言: JFreeChart 是开放源代码站点SourceForge.net上的一个JAVA项目。它的功能十分强大,能创建饼图、柱状图 (普通柱状图以及堆栈柱状图)、线图、区域图、分布图、混合图、甘特图以及一些仪表盘等等,并可生成PNG或JPG图片格式文件。 本人在学习过程中发现,网上很多文章都是讲一些 JFreeChart ...
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