delphi做的图表显示系统 可以根据数据显示直方图 饼图 和折线图

[{"title":"（ 13 个子文件 544KB ） delphi做的图表显示系统 可以根据数据显示直方图 饼图 和折线图","children":[{"title":"图表显示系统","children":[{"title":"图表程序.exe <span style='color:#111;'> 643.00KB </span>","children":null,"spread":false},{"title":"源文件","children":[{"title":"wangjialong.ddp <span style='color:#111;'> 51B </span>","children":null,"spread":false},{"title":"wangjialong.~pas <span style='color:#111;'> 8.35KB </span>","children":null,"spread":false},{"title":"Project1.dof <span style='color:#111;'> 2.26KB </span>","children":null,"spread":false},{"title":"Project1.exe <span style='color:#111;'> 642.50KB </span>","children":null,"spread":false},{"title":"wangjialong.pas <span style='color:#111;'> 8.35KB </span>","children":null,"spread":false},{"title":"Project1.cfg <span style='color:#111;'> 434B </span>","children":null,"spread":false},{"title":"wangjialong.dcu <span style='color:#111;'> 12.04KB </span>","children":null,"spread":false},{"title":"Project1.dpr <span style='color:#111;'> 200B </span>","children":null,"spread":false},{"title":"wangjialong.~ddp <span style='color:#111;'> 51B </span>","children":null,"spread":false},{"title":"Project1.res <span style='color:#111;'> 10.69KB </span>","children":null,"spread":false},{"title":"wangjialong.~dfm <span style='color:#111;'> 6.14KB </span>","children":null,"spread":false},{"title":"wangjialong.dfm <span style='color:#111;'> 6.14KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}],"spread":true}]