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                        - <!DOCTYPE html>
 - <html lang="en">
 - 
 - <head>
 -   <meta charset="utf-8">
 -   <meta name="viewport" content="width=device-width,initial-scale=1.0">
 -   <title>dc-example</title>
 -   <script src='/libs/dc-sdk/dc.min.js'></script>
 -   <link href='/libs/dc-sdk/dc.min.css' type='text/css' rel='stylesheet'>
 -   <link href='../index.css' type='text/css' rel='stylesheet'>
 - </head>
 - 
 - <body>
 - 
 - <div id="viewer-container" class="viewer-container"></div>
 - <div class="btn-box">
 -   <ul>
 -     <li><button onclick="destroy()">销毁</button></li>
 -     <li><button onclick="create()">创建</button></li>
 -   </ul>
 - </div>
 - <script>
 - 
 -   let viewer = undefined
 - 
 -   function create(){
 -     viewer = new DC.Viewer('viewer-container')
 -     let  baseLayer = DC.ImageryLayerFactory.createAMapImageryLayer({
 -       style: 'img',
 -       crs:'WGS84'
 -     })
 -     viewer.addBaseLayer( baseLayer)
 -   }
 - 
 -   function destroy(){
 -     viewer.destroy()
 -   }
 - 
 -   DC.ready(create)
 - </script>
 
 
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