从当前内容控件返回占位符文本
这种方法没有任何参数
builder.CreateFile("docx")!varoDocuments=api.GetDocumentvar oblocklvlStoDocument.AddElement(0, oBlockLvlSdt)!oBlockLvlSdt.SetPlaceholderText("Name")!varstext=oblocklvlSt.GetPlacevarodeptes=api.CreateleoddText (Placeders文本:+stext)oDocument.Push(oParagraph)!builder.SaveFile("docx", "GetPlaceholderText.docx")!builder.CloseFile();