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集算表介绍

问题：什么是集算表？

概念介绍：

集算表 （TableSheet）是一个具备高性能渲染、数据绑定功能、公式计算能力的数据表格，通过全新构建的关系型数据管理器结合结构化公式，在高性能表格的基础上提供排序、筛选、样式、行列冻结、自动更新、单元格更新等功能。

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集算表的出现，不但可以将表格作为数据库使用，保存大量结构化数据，还支持后端加载和原始数据回写，以此实现实时分析、处理，以及跨数据源计算和数据再加工等功能。借助这些功能，集算表非常适用于开发企业预算系统、财务系统，以及针对这些系统的数据分析、可视化展示、快速绑定、在线编辑等场景的搭建。

价值点：

高性能：

集算表的“集”字，说明了集算表的应用场景就是在前端对大批量的数据做渲染，排序，筛选，增删改查等操作。下面的测试是一个数据量在20W的集算表。

从加载到渲染一共花费了2S多的时间，这里的时间包含数据库查询，前端页面渲染。如果单纯从前端设置console.time去检测会发现仅用了25ms时间

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另外，集算表在筛选，排序的速度上也有了重大的提升20W行的数据排序和筛选可以做到秒级加载。

公式计算：

计算表的“算”字，说明了计算表的另一个功能就是公式计算。

1.计算表可以使用SpreadJS的计算引擎添加计算列，辅助进行公式计算。

详情可以参考学习指南中的例子：https://demo.grapecity.com.cn/spreadjs/SpreadJSTutorial/features/table-sheet/column-formula/purejs

2.表单可以通过QUERY函数直接访问DataManager中的数据。可以交叉引用和汇总集算表中的数据，以创建高级报表视图。

详情可以参考下面的例子：https://demo.grapecity.com.cn/spreadjs/SpreadJSTutorial/features/table-sheet/worksheet-reference-tablesheet#timestamp

详细资料：

SpreadJS 学习指南关于集算表的介绍：https://demo.grapecity.com.cn/spreadjs/SpreadJSTutorial/features/table-sheet/overview/purejs

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SpreadJS V15发布会中对集算表的介绍视频：https://live.vhall.com/v3/lives/subscribe/797499673


作者: Clark.Pan | 审核：Lynn.Dou | 更新时间：2023.12.12