jfreechart_src

  JFreeChart它主要是用来制作各种各样的图表，这些图表包括：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。(JfreeChart it is primarily used to produce a wide variety of charts, graphs include : pie histogram (histogram and ordinary stack histogram), maps, regional maps, maps, maps mixed, Gantt Chart and some dashboard, and so on.)