【GIS】Vue修改图层透明度

    <input
      id="slider"
      type="range"
      min="0"
      max="1"
      step="0.1"
      value="1"
      v-model="opacity"
      @input="changeOpactiy"
    >

export default {
  data() {
    return {
    opacity: 1}
    }
}

      var value = this.opacity;
      this.leftLayer ? this.leftLayer.setOpacity(value) : "";

var envLayer = L.tileLayer
        .wms(Url, {
          layers: layers,
          format: "image/png",
          transparent: true,
          version: "1.3.0",
          crs: L.CRS.EPSG3857
        })
        .addTo(map);