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SubString函数示例-制作星标

Substring 函数用于返回指定字符串的指定位置之后的所有字符。

比如,我们可以使用 SubString 函数嵌套Ceiling函数实现以下动态显示订单数量所属星标级别的效果。

image2019-5-29_11-47-3.png

操作示例

1. 新建报表,使用表格组件并绑定数据字段。

image2020-10-13_13-36-41.png


2. 使用ToString函数示例将“ 订购日期 ”改为:{ Fields!订购日期.Value.ToString( "yyyy-MM-dd")} ,使其仅显示年月日。

image2020-10-13_14-2-2.png


3. 在右侧增加一列,表头单元格输入“ 星标级别 ”,数据单元格输入表达式: {"★★★★★".SubString(5 - Ceiling(Fields!购买数量.Value / 4))}

image2020-10-13_14-3-12.png


4. 预览报表,可见最后一列的星标会根据购买数量的级别进行动态显示。如本文开篇所示。