获取mapSever图例

原地址：
http://xxxxxx/arcgis/rest/services/PY/PYGHBZ/MapServer

查看图例JSON：
http://xxxxxx/arcgis/rest/services/PY/PYGHBZ/MapServer/legend?f=pjson
里面的url就是图例图片

查看当前图层的图例图片
http://xxxxxx/arcgis/rest/services/PY/PYGHBZ/MapServer/图层ID/images/图例URL

let obj = {url:'http://xxxxxx/arcgis/rest/services/PY/PYGHBZ/MapServer',subLayer:0
}let newURL =  obj.url +'/legend?f=pjson'axios.get(newURL).then(res=>{this.legendList = res.data.layers[obj.subLayer].legend;this.legendList.forEach(item=>{item.urlImg =  `${obj.url}/${obj.subLayer}/images/${item.url}`;})console.log("this.legendList",this.legendList);})

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