IonResource

查阅Mars3D API

继承

• Resource

成员(属性)

继承自:

• Resource#extension

继承自:

• Resource#hasHeaders

继承自:

• Resource#headers

继承自:

• Resource#isBlobUri

继承自:

• Resource#isCrossOriginUrl

继承自:

• Resource#isDataUri

继承自:

• Resource#proxy

继承自:

• Resource#queryParameters

继承自:

• Resource#request

继承自:

• Resource#retryAttempts

继承自:

• Resource#retryCallback

继承自:

• Resource#templateValues

继承自:

• Resource#url

方法

返回值:

使用示例s:

// Load a Cesium3DTileset with asset ID of 124624234
try {
  const resource = await Cesium.IonResource.fromAssetId(124624234);
  const tileset = await Cesium.Cesium3DTileset.fromUrl(resource);
  scene.primitives.add(tileset);
} catch (error) {
  console.error(`Error creating tileset: ${error}`);
}

//Load a CZML file with asset ID of 10890
Cesium.IonResource.fromAssetId(10890)
  .then(function (resource) {
    viewer.dataSources.add(Cesium.CzmlDataSource.load(resource));
  });

继承自:

• Resource#appendForwardSlash

继承自:

• Resource#appendQueryParameters

返回值:

继承自:

• Resource#clone

返回值:

继承自:

• Resource#delete

使用示例:

resource.delete()
  .then(function(body) {
      // use the data
  }).catch(function(error) {
      // an error occurred
  });

参考:

• Cross-Origin Resource Sharing
• CommonJS Promises/A

返回值:

继承自:

• Resource#fetch

使用示例:

resource.fetch()
  .then(function(body) {
      // use the data
  }).catch(function(error) {
      // an error occurred
  });

参考:

• Cross-Origin Resource Sharing
• CommonJS Promises/A

返回值:

继承自:

• Resource#fetchArrayBuffer

使用示例:

// load a single URL asynchronously
resource.fetchArrayBuffer().then(function(arrayBuffer) {
    // use the data
}).catch(function(error) {
    // an error occurred
});

参考:

• Cross-Origin Resource Sharing
• CommonJS Promises/A

返回值:

继承自:

• Resource#fetchBlob

使用示例:

// load a single URL asynchronously
resource.fetchBlob().then(function(blob) {
    // use the data
}).catch(function(error) {
    // an error occurred
});

参考:

• Cross-Origin Resource Sharing
• CommonJS Promises/A

返回值:

继承自:

• Resource#fetchImage

使用示例:

// load a single image asynchronously
resource.fetchImage().then(function(image) {
    // use the loaded image
}).catch(function(error) {
    // an error occurred
});

// load several images in parallel
Promise.all([resource1.fetchImage(), resource2.fetchImage()]).then(function(images) {
    // images is an array containing all the loaded images
});

参考:

• Cross-Origin Resource Sharing
• CommonJS Promises/A

返回值:

继承自:

• Resource#fetchJson

使用示例:

resource.fetchJson().then(function(jsonData) {
    // Do something with the JSON object
}).catch(function(error) {
    // an error occurred
});

参考:

• Cross-Origin Resource Sharing
• CommonJS Promises/A

返回值:

继承自:

• Resource#fetchJsonp

使用示例:

// load a data asynchronously
resource.fetchJsonp().then(function(data) {
    // use the loaded data
}).catch(function(error) {
    // an error occurred
});

参考:

• CommonJS Promises/A

返回值:

继承自:

• Resource#fetchText

使用示例:

// load text from a URL, setting a custom header
const resource = new Resource({
  url: 'http://someUrl.com/someJson.txt',
  headers: {
    'X-Custom-Header' : 'some value'
  }
});
resource.fetchText().then(function(text) {
    // Do something with the text
}).catch(function(error) {
    // an error occurred
});

参考:

• XMLHttpRequest
• Cross-Origin Resource Sharing
• CommonJS Promises/A

返回值:

继承自:

• Resource#fetchXML

使用示例:

// load XML from a URL, setting a custom header
Cesium.loadXML('http://someUrl.com/someXML.xml', {
  'X-Custom-Header' : 'some value'
}).then(function(document) {
    // Do something with the document
}).catch(function(error) {
    // an error occurred
});

参考:

• XMLHttpRequest
• Cross-Origin Resource Sharing
• CommonJS Promises/A

返回值:

继承自:

• Resource#getBaseUri

返回值:

继承自:

• Resource#getDerivedResource

返回值:

继承自:

• Resource#getUrlComponent

返回值:

继承自:

• Resource#head

使用示例:

resource.head()
  .then(function(headers) {
      // use the data
  }).catch(function(error) {
      // an error occurred
  });

参考:

• Cross-Origin Resource Sharing
• CommonJS Promises/A

返回值:

继承自:

• Resource#options

使用示例:

resource.options()
  .then(function(headers) {
      // use the data
  }).catch(function(error) {
      // an error occurred
  });

参考:

• Cross-Origin Resource Sharing
• CommonJS Promises/A

返回值:

继承自:

• Resource#patch

使用示例:

resource.patch(data)
  .then(function(result) {
      // use the result
  }).catch(function(error) {
      // an error occurred
  });

参考:

• Cross-Origin Resource Sharing
• CommonJS Promises/A

返回值:

继承自:

• Resource#post

使用示例:

resource.post(data)
  .then(function(result) {
      // use the result
  }).catch(function(error) {
      // an error occurred
  });

参考:

• Cross-Origin Resource Sharing
• CommonJS Promises/A

返回值:

继承自:

• Resource#put

使用示例:

resource.put(data)
  .then(function(result) {
      // use the result
  }).catch(function(error) {
      // an error occurred
  });

参考:

• Cross-Origin Resource Sharing
• CommonJS Promises/A

继承自:

• Resource#setQueryParameters

继承自:

• Resource#setTemplateValues

返回值:

继承自:

• Resource#toString