[{"title":"( 2 个子文件 1.56MB ) jfreechart java画图表开源jar包","children":[{"title":"jfreechart(画图表)","children":[{"title":"jcommon-1.0.16.jar <span style='color:#111;'> 302.04KB </span>","children":null,"spread":false},{"title":"jfreechart-1.0.13.jar <span style='color:#111;'> 1.36MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]