SetSelection

设置文档选区

语法

expression.SetSelection(selection);

expression - 表示 ApiDocument 类的变量。

参数

名称	必需/可选	数据类型	默认值	描述
selection	必需	DocSelection		未提供描述。

返回值

boolean

示例

在 PDF 中选择文本区域。

// Useful for marking a portion of text as selected in a PDF.

// Choose a region of text and mark it as selected in a PDF.

let doc = Api.GetDocument();
doc.AddPage(0);
let pageIndex = doc.GetPagesCount() - 1;
let page = doc.GetPage(pageIndex);
let fill = Api.CreateSolidFill(Api.RGB(50, 150, 250));
let stroke = Api.CreateStroke(0, Api.CreateNoFill());
let shape = Api.CreateShape("rect", 150 * 36000, 80 * 36000, fill, stroke);
shape.SetPosition(10 * 12700, 10 * 12700);
let paragraph = shape.GetContent().GetElement(0);
paragraph.SetJc("left");
paragraph.AddText("Lorem selected text");
page.AddObject(shape);

let results = page.Search({text: "Lorem selected text", matchCase: true, wholeWords: false});
let quads = results[0];
let firstQuad = quads[0];
let lastQuad = quads[quads.length - 1];
doc.SetSelection({
	start: { page: pageIndex, point: { x: firstQuad[0], y: firstQuad[1] } },
	end:   { page: pageIndex, point: { x: lastQuad[2], y: lastQuad[3] } }
});
console.log('We selected the text on the page');