基于OLE技术的项目甘特图设计与实现，千万不要错过好的源码。-OLE technology projects based on Gantt chart design and implementation, do not miss a good source.

在java开发的过程中，一些数据统计或者报表用到的图表，比如：饼图，条形图等-In java development process, some of the statistics used in the report or chart, such as: pie charts, bar charts, etc.