-
objectIdField
String
oid
字段的名稱,包含圖層中每個要素的唯一值或標識符。從客戶端函數集合構造 FeatureLayer 時需要此屬性。如果未指定,將從 fields 數組中推斷。例子:
// See the sample snippet for the source and fields properties const layer = new FeatureLayer({ source: features, fields: fields, objectIdField: "ObjectID", // field name of the Object IDs geometryType: "point", renderer: <renderer> });
基本信息
以下是所在類或對象的基本信息。
AMD:
require(["esri/layers/FeatureLayer"], (FeatureLayer) => { /* code goes here */ });
ESM:
import FeatureLayer from "@arcgis/core/layers/FeatureLayer";
類:
esri/layers/FeatureLayer
繼承: FeatureLayer > Layer > Accessor
自從:用於 JavaScript 4.0 的 ArcGIS API
用法說明
FeatureLayer.objectIdField
函數(或屬性)的定義如下:
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注:本文由純淨天空篩選整理自arcgis.com大神的英文原創作品 FeatureLayer.objectIdField。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。