Uncaught DOMException: Failed to execute ‘toDataURL‘ on ‘HTMLCanvasElement‘
【背景】
Vue中使用openlayers,將地圖匯出為圖片,原本使用openlayers官方提供的方法載入地圖,但是地圖載入太慢了,換成天地圖後無法匯出圖片並報錯
【問題原因】
使用天地圖後,沒有解決跨域問題,所以圖片匯出失敗
【解決方式】
新增 crossOrigin:'anonymous'
,處理跨域問題
let tiandiditu = new Tile({
source: new XYZ({
crossOrigin:'anonymous',
url: '',
}),
});
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