我们来构建 cesium 单图片图层和arcgis图层
![](https://img.haomeiwen.com/i2413666/0601d6c3611bbdf0.png)
```javascript
import {ImageryLayer} from "./ImageryLayer";
//arcgis珊格服务
export class ArcGisImageryLayer extends ImageryLayer{
public imageryProvider:any;//影像提供者
constructor(option:any={}){
super(option.name);
//如果是字符串(定是url),直接变成对象
if(typeof option !== "object"){
option = {url:option};
}
option = {
enablePickFeatures: false,
...option
}
this.type = "ArcGisImageryLayer";//重写类型
this.imageryProvider = new Cesium.ArcGisMapServerImageryProvider(option);
更多参考 https://xiaozhuanlan.com/topic/8314925706
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