《类似EXCEL的报表类库》有最新版本了，类库和可执行演示文件在压缩包里。 本次更新内容： 1)在程序完善了图表部分,支持图表的打印预览 2)修改了在程序调用生成图表的小bug 3)支持根据单元格数据绘制曲线图/饼图-"similar statements Excel Class" with the latest version, libraries and enforceable Presentations compression bag. With this update : 1) the procedure improved the charts, graphs to support the Print Preview 2) changes in procedures called Generation small bug chart 3) support for the cell for data mapping curve / pie