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通过计算表的功能，我们可以快速的读取和展示数据。当数据中某列有很多重复项时，我们需要对数据进行整理时。计算表中提供了分组的功能，可以通过分组功能将数据进行分组显示。
例如：
上面的图表是一个基金的每日涨幅和净值的记录，如果不进行分组，一两只基金还好，如果是几十只甚至几百只基金的统计，那么数据量会非常庞大。这个时候就需要一个分组，将每个基金归为一组方便查看。
在集算表中可以通过groupBy进行分组，例如上图我们需要按照基金名称（编码）这个列进行分组。于是我们可以这么写
fundHistorySheet.groupBy([
{
caption: "基金名称(编码)",
field: "nameCode",
},
]);其中caption是分组后的列名，field是分组的字段名，用哪个字段进行分组，就用哪个。
分组后的页面看起来就会舒服很多
点击加号可以展开某个组，查看其中的详情
作者: Grapecity.China | 审核：Clark.Pan | 更新时间：2023.12.28