SetStartPos

设置当前范围的起始位置。

语法

expression.SetStartPos(pos);

expression - 表示 ApiTextRange 类的变量。

参数

名称	必需/可选	数据类型	默认值	描述
pos	必需	number		起始位置。

返回值

boolean

示例

设置文本范围的起始位置并检索子范围文本。

// Useful for narrowing a range from its head end.

// Set a new start position to select only part of the text.

const presentation = Api.GetPresentation();
const slide = presentation.GetSlideByIndex(0);
slide.RemoveAllObjects();

const fill = Api.CreateSolidFill(Api.RGB(255, 111, 61));
const stroke = Api.CreateStroke(0, Api.CreateNoFill());
const shape = Api.CreateShape("rect", 300 * 36000, 130 * 36000, fill, stroke);
shape.SetPosition(608400, 1267200);

const docContent = shape.GetDocContent();
const paragraph = docContent.GetElement(0);
paragraph.AddText("Hello World");
slide.AddObject(shape);

const range = shape.GetTextRange();
range.SetStartPos(6);

const fill2 = Api.CreateSolidFill(Api.RGB(200, 230, 255));
const shape2 = Api.CreateShape("rect", 300 * 36000, 80 * 36000, fill2, stroke);
shape2.SetPosition(608400, 6000000);
shape2.GetDocContent().GetElement(0).AddText("Sub-range text: " + JSON.stringify(range.GetText()));
slide.AddObject(shape2);