-
objectIdField
String
oid
字段的名称,包含图层中每个要素的唯一值或标识符。从客户端函数集合构造 FeatureLayer 时需要此属性。如果未指定,将从 fields 数组中推断。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
以下是所在类或对象的基本信息。
AMD:
require(["esri/layers/FeatureLayer"], (FeatureLayer) => { /* code goes here */ });
ESM:
import FeatureLayer from "@arcgis/core/layers/FeatureLayer";
类:
esri/layers/FeatureLayer
继承: FeatureLayer > Layer > Accessor
自从:用于 JavaScript 4.0 的 ArcGIS API
用法说明
FeatureLayer.objectIdField
函数(或属性)的定义如下:
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注:本文由纯净天空筛选整理自arcgis.com大神的英文原创作品 FeatureLayer.objectIdField。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。