在这个非常简单的示例中,通过复制当前呈现参数集并只覆盖一个键,就可以计算新的呈现参数集。
In this very simple example it is possible to calculate the new set of render parameters by copying the current set and overriding only one key.
为了保持示例的简单性,我们只抓取第一个并保存在全局变量中。
To keep the example simple, you only grab the first one and store it in your global variable.
在下面的示例中,报告作者创建了一个简单列表报告,报告只包含一个投射数据项Year,它使用带有如下caption函数的Year级别。
In the following example, the report author creates a simple list report that contains only a projected data item called Year, which USES the Year level with the caption function as follows.
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