openlayers - 使用openlayers cors在geoserver中的wms层

Question

我正在尝试使用 openlayers 和 geoserver 创建地图。我也启用了cors。

雄猫配置：

<filter>
      <filter-name>cross-origin</filter-name>
      <filter-class>org.apache.catalina.filters.CorsFilter</filter-class>
      <init-param>
        <param-name>cors.allowed.origins</param-name>
        <param-value>*</param-value>
      </init-param>
      <init-param>
        <param-name>cors.allowed.methods</param-name>
        <param-value>*</param-value>
      </init-param>
      <init-param>
        <param-name>cors.allowed.headers</param-name>
        <param-value>*</param-value>
      </init-param>
    </filter>
   
   
   <!-- Uncomment following filter to enable CORS-->
    <filter-mapping>
        <filter-name>cross-origin</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    

我的代码

import 'ol/ol.css';
import Map from 'ol/Map';
import OSM from 'ol/source/OSM';
import TileLayer from 'ol/layer/Tile';
import TileWMS from 'ol/source/TileWMS';
import View from 'ol/View';
import {transform} from 'ol/proj';


const layers = [
  new TileLayer({
    source: new OSM(),
  }),
  new TileLayer({
    source: new TileWMS({
       url: 'http://localhost:8080/geoserver/wms',
        params: {'LAYERS': 'test:coverage', 'TILED': true},
      serverType: 'geoserver',
      // Countries have transparency, so do not fade tiles:
      transition: 0,
    }),
  }),
];


const map = new Map({
  layers: layers,
  target: 'map',
  view: new View({
    projection: 'EPSG:4326',
    center:[85.30726209, 27.66573899],
    zoom: 8,
  }),
}); 

我得到以下错误：

localhost:8080/geoserver/wms?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&FORMAT=image%2Fpng&TRANSPARENT=true&LAYERS=ncell%3A4g_coverage&TILED=true&WIDTH=256&HEIGHT=256&CRS=EPSG%3A4326&STYLES=&BBOX=27.509765625%2C85.166015625%2C27.59765625%2C85.25390625:1 GET http://localhost:8080/geoserver/wms?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&FORMAT=image%2Fpng&TRANSPARENT=true&LAYERS=test%coverage&TILED=true&WIDTH=256&HEIGHT=256&CRS=EPSG%3A4326&STYLES=&BBOX=27.509765625%2C85.166015625%2C27.59765625%2C85.25390625 net::ERR_BLOCKED_BY_RESPONSE.NotSameOriginAfterDefaultedToSameOriginByCoep

为什么我得到 net::ERR_BLOCKED_BY_RESPONSE.NotSameOriginAfterDefaultedToSameOriginByCoep 错误？

标签： openlayersgeoservercross-origin-embedder-policycross-origin-resource-policy