夜雨聆风 > > 办公文件 > EXCEL|Power Query里的一些函数2
当前时间: 2026-05-09 13:13:48
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EXCEL|Power Query里的一些函数2=Number.Round (number as nullable number, optional digits as nullable number, optional roundingMode as nullable RoundingMode.Type) as nullable number 此函数一共有 3 个参数,分别是 number(要舍入的原始数字)、digites(保留几位小数) 和 roundingMode(舍入模式)。在这 3 个参数中,第一个参数 number 是一个必需参数,另外两个参数是可选参数。在函数中必须输入必需参数,可选参数如果为默认的,则传递默认参数。参数前面带有 optional,表示此参数是可选参数,不带此单词的参数是必需参数。as 语法决定了输入参数和输出结果的数据类型,number 表示数字类型,RoundingMode.Type 是特殊参数类型,共有 5 组可选常数,决定数值的舍入方向。数据类型前面如果有 nullable,则说明该参数可以是一个具备 null 值的空值。此函数输出结果的数据类型为数字。RoundingMode.Type的5种类型说明:Number.Round(1.25,1)2. 强制指定四舍五入模式Number.Round(1.25,1, RoundingMode.RoundHalfUp)3. 五舍六入Number.Round(1.25,1, RoundingMode.RoundHalfDown)4. 向上取整(保留0位)Number.Round(1.1,0, RoundingMode.RoundUp)5. 向下取整 Number.Round(1.9,0, RoundingMode.RoundDown)好了,今天内容就先这些吧。明天咱们来介绍Text类和Number类的函数。
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