For example, you can define a field that executes a macro when you click the field in the document, or a condition that, when met, hides a field. You can also define placeholder fields that insert graphics, tables, frames and other objects into your document when needed.
功能字段可根据字段类型执行链接到一个条件的某项功能。您可以定义字段，通过单击鼠标执行指定的宏，或以指定的条件隐藏一段文字。可以为图形、表格、框架和其他对象定义占位符，以便根据需要插入文档。