mirror of
https://github.com/jiawanlong/Cesium-Examples.git
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49 lines
1.9 KiB
HTML
49 lines
1.9 KiB
HTML
<!--********************************************************************
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* by jiawanlong
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*********************************************************************-->
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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<link rel="stylesheet" href="./../../cesium/Cesium1.98/Widgets/widgets.css">
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<script type="text/javascript" src="./../../cesium/Cesium1.98/Cesium.js"></script>
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<script src="./html2canvas.js"></script>
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</head>
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<body style="margin: 0; overflow: hidden; background: #fff; width: 100%; height: 100%; position: absolute; top: 0">
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<div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>
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<button style="position: absolute;left: 10px;top: 10px;z-index: 1000;" onclick="print()">打印</button>
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<script type="text/javascript">
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Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3ZjQ5ZGUzNC1jNWYwLTQ1ZTMtYmNjYS05YTY4ZTVmN2I2MDkiLCJpZCI6MTE3MTM4LCJpYXQiOjE2NzY0NDUyODB9.ZaNSBIfc1sGLhQd_xqhiSsc0yr8oS0wt1hAo9gbke6M'
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const viewer = new Cesium.Viewer('map', {
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contextOptions: {
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webgl: {
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// 一定要加，要不然是黑色
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preserveDrawingBuffer: true // 设置为 true 来启用
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}
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}
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});
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viewer.scene.debugShowFramesPerSecond = true;
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viewer.scene.globe.depthTestAgainstTerrain = true;
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function print() {
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var element = document.getElementById('map');
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html2canvas(element, {
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useCORS: true,
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allowTaint: true,
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}).then(function (canvas) {
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const imgData = canvas.toDataURL('image/png');
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console.log(imgData)
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const link = document.createElement('a');
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link.href = imgData;
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link.download = 'myImage.png';
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link.click();
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});
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}
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</script>
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</body>
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</html> |