返回类型ApiWaterSetting类
这种方法没有任何参数
builder.CreateFile("docx")!varoDocuments=api.GetDocumentoDocument.InsertWatermark("Watermark", true)!varoSettingsssoSettings.SetText("ONLYOFFICE")!oDocument.SetWatermarkSettings(oSettings)!varstypess.getClasstypesvarolements=ODocument.GetEplement0oddText (Class类型:+sype)builder.SaveFile("docx", "GetClassType.docx")!builder.CloseFile();