mirror of
https://github.com/jiawanlong/Cesium-Examples.git
synced 2025-11-04 09:14:17 +00:00
49 lines
1.9 KiB
HTML
49 lines
1.9 KiB
HTML
|
<!--********************************************************************
|
||
|
|
* by jiawanlong
|
||
|
|
*********************************************************************-->
|
||
|
|
<!DOCTYPE html>
|
||
|
|
<html>
|
||
|
|
|
||
|
|
<head>
|
||
|
|
<meta charset="UTF-8" />
|
||
|
|
<link rel="stylesheet" href="./../../cesium/Cesium1.98/Widgets/widgets.css">
|
||
|
|
<script type="text/javascript" src="./../../cesium/Cesium1.98/Cesium.js"></script>
|
||
|
|
<script src="./html2canvas.js"></script>
|
||
|
|
</head>
|
||
|
|
|
||
|
|
<body style="margin: 0; overflow: hidden; background: #fff; width: 100%; height: 100%; position: absolute; top: 0">
|
||
|
|
<div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>
|
||
|
|
<button style="position: absolute;left: 10px;top: 10px;z-index: 1000;" onclick="print()">打印</button>
|
||
|
|
<script type="text/javascript">
|
||
|
|
Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3ZjQ5ZGUzNC1jNWYwLTQ1ZTMtYmNjYS05YTY4ZTVmN2I2MDkiLCJpZCI6MTE3MTM4LCJpYXQiOjE2NzY0NDUyODB9.ZaNSBIfc1sGLhQd_xqhiSsc0yr8oS0wt1hAo9gbke6M'
|
||
|
|
const viewer = new Cesium.Viewer('map', {
|
||
|
|
contextOptions: {
|
||
|
|
webgl: {
|
||
|
|
// 一定要加，要不然是黑色
|
||
|
|
preserveDrawingBuffer: true // 设置为 true 来启用
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
viewer.scene.debugShowFramesPerSecond = true;
|
||
|
|
viewer.scene.globe.depthTestAgainstTerrain = true;
|
||
|
|
|
||
|
|
function print() {
|
||
|
|
var element = document.getElementById('map');
|
||
|
|
html2canvas(element, {
|
||
|
|
useCORS: true,
|
||
|
|
allowTaint: true,
|
||
|
|
|
||
|
|
}).then(function (canvas) {
|
||
|
|
const imgData = canvas.toDataURL('image/png');
|
||
|
|
console.log(imgData)
|
||
|
|
|
||
|
|
const link = document.createElement('a');
|
||
|
|
link.href = imgData;
|
||
|
|
link.download = 'myImage.png';
|
||
|
|
link.click();
|
||
|
|
});
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
</body>
|
||
|
|
|
||
|
|
</html>
|