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DatePart函数示例

函数示例

语法:DatePart(<时间单位>, <日期时间值>[, <一周的第一天>[, <一年的第一周>]])

说明:返回一个整型(Integer)值,其中包含给定 Date 值的指定部分(年,月,日,时,分,秒,毫秒,星期几等)。

示例:{DatePart("m", SaleDate)},如DatePart("m","2017-11-2")返回月份11。

操作示例

此处我们以使用 DatePart 函数获取季度值为例为您介绍该函数。

由函数表定义可以了解到,使用DatePart函数可以返回 Date 值的指定部分。

以“ 订购日期 ”字段为例,我们可以使用这样的表达式 {DatePart("q",订购日期)} 来获取字段值季度值,返回结果为1~4。

为了使其更符合用户习惯,呈现出“一季度”,“二季度”等字样,需要再使用Choose函数转换一下。具体表达式为: {Choose(DatePart("q",订购日期),"一","二","三","四")&"季度"}。

下面我们以一个简单的报表为例来看一下DatePart函数具体的应用效果。

1. 新建报表,添加“销售数据”数据集后,添加表格组件并按照下图所示绑定数据字段。

image2020-6-10_12-9-27.png


2. 添加分组,为表格的分组添加分组条件 {DatePart("q", 订购日期)} ,使数据按照季度进行分组显示;并按分组条件添加数据排序,使其按照季度的先后顺序显示。

image2020-10-13_11-47-59.png


3. 在分组头文本框中添加表达式显示季度值。这里使用的表达式为: {Choose(DatePart("q", 订购日期), "一", "二", "三", "四")}季度

image2020-10-13_11-50-36.png


4. 在分组尾和表尾单元格中添加适当汇总。

image2020-6-10_12-10-27.png


5. 预览报表,查看效果。

datepart函数.gif