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GetOutlineLvl

返回指定属性的大纲级别。

继承自 ApiParaPr.GetOutlineLvl。

语法​

expression.GetOutlineLvl();

expression - 表示 ApiParagraph 类的变量。

参数​

此方法没有任何参数。

返回值​

Number | undefined

示例​

在 PDF 中检查分配给段落的标题级别。

// How do I determine the outline level of a paragraph in a PDF?

// Read the current heading level setting for a paragraph in a PDF.

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

const rgb = Api.CreateRGBColor(50, 100, 150);
const fill = Api.CreateSolidFill(rgb);
const stroke = Api.CreateStroke(0, Api.CreateNoFill());
const shape = Api.CreateShape('rect', 200 * 36000, 50 * 36000, fill, stroke);
shape.SetPosition(10 * 36000, 10 * 36000);
page.AddObject(shape);

const content = shape.GetContent();
const paragraph = content.GetElement(0);

const levelBefore = paragraph.GetOutlineLvl();
paragraph.SetOutlineLvl(8);
const levelAfter = paragraph.GetOutlineLvl();

let text =  'Outline level (index) for this paragraph is currently set to ' + levelAfter;
text += ',\n';
text += 'but originally was set to ' + levelBefore;
paragraph.AddText(text);