五十一、openlayers官网示例Layer Min/Max Resolution解析——设置图层最大分辨率，超过最大值换另一个图层显示

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使用minResolution、maxResolution分辨率来设置图层显示最大分辨率。 

<template><div class="box"><h1>Layer Min/Max Resolution</h1><div id="map" class="map"></div></div>
</template><script>
import Map from "ol/Map.js";
import OSM from "ol/source/OSM.js";
import TileJSON from "ol/source/TileJSON.js";
import TileLayer from "ol/layer/Tile.js";
import View from "ol/View.js";
import StadiaMaps from "ol/source/StadiaMaps.js";
export default {name: "",components: {},data() {return {map: null,};},computed: {},created() {},mounted() {const map = new Map({layers: [new TileLayer({source: new OSM(),minResolution: 200,maxResolution: 2000,}),new TileLayer({source: new StadiaMaps({layer: "stamen_toner",}),minResolution: 2000,maxResolution: 20000,}),],target: "map",view: new View({center: [653600, 5723680],zoom: 5,}),});},methods: {},
};
</script><style lang="scss" scoped>
#map {width: 100%;height: 500px;
}
.box {height: 100%;
}</style>

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