GetInternalId

返回当前内容段落的内部 ID。

语法

expression.GetInternalId();

expression - 表示 ApiParagraph 类的变量。

参数

此方法没有任何参数。

返回值

string

示例

获取 PDF 文档中段落的内部 ID。

// How to get the internal id for a paragraph in a PDF document?

// Get the internal id and display the result in a PDF document.

const doc = Api.GetDocument();
const page = doc.GetPage(0);

const fill = Api.CreateSolidFill(Api.RGB(255, 111, 61));
const stroke = Api.CreateStroke(0, Api.CreateNoFill());
const shape = Api.CreateShape('rect', Api.MillimetersToEmus(300), Api.MillimetersToEmus(130), fill, stroke);
shape.SetPosition(Api.MillimetersToEmus(20), Api.MillimetersToEmus(35));
const docContent = shape.GetContent();
const paragraph = docContent.GetElement(0);
paragraph.AddText('This is just a sample text.');

const paragraph2 = Api.CreateParagraph();
paragraph2.AddText('Internal Id: ' + paragraph.GetInternalId());
docContent.Push(paragraph2);
page.AddObject(shape);