Class: Ajax

Ajax

Ajax Utilities. It is static and should not be initiated.

new Ajax() [source]

Static Methods

  • (static) jsonp(url, cb) [source]

    • Get JSON data by jsonp from https://gist.github.com/gf3/132080/110d1b68d7328d7bfe7e36617f7df85679a08968
    Parameter Type Description
    url String resource url
    cb function callback function when completed

  • (static) get(url, optionsopt, cb) [source]

    • Fetch remote resource by HTTP "GET" method 
    maptalks.Ajax.get(
    'url/to/resource',
    (err, data) => {
        if (err) {
            throw new Error(err);
        }
        // do things with data
    }
);
    Parameter Type Default Description
    url String resource url
    options opt Object null request options
    Properties
    Parameter Type Default Description
    headers opt Object null HTTP headers
    responseType opt String null responseType
    credentials opt String null if with credentials, set it to "include"
    cb function callback function when completed
    Returns:
    Ajax: Ajax

  • (static) post(url, options, cb) [source]

    • Fetch remote resource by HTTP "POST" method 
    maptalks.Ajax.post(
  'url/to/post',
  {
    postData : {
      'param0' : 'val0',
      'param1' : 1
    }
  },
  (err, data) => {
    if (err) {
      throw new Error(err);
    }
    // do things with data
  }
);
    Parameter Type Description
    url String resource url
    options Object request options
    Properties
    Parameter Type Default Description
    postData String | Object post data
    headers opt Object null HTTP headers
    cb function callback function when completed
    Returns:
    Ajax: Ajax

  • (static) getArrayBuffer(url, optionsopt, cb) [source]

    • Fetch resource as arraybuffer. 
    maptalks.Ajax.getArrayBuffer(
    'url/to/resource.bin',
    (err, data) => {
        if (err) {
            throw new Error(err);
        }
        // data is a binary array
    }
);
    Parameter Type Default Description
    url String url
    options opt Object null options, same as Ajax.get
    cb function callback function when completed.

  • (static) getJSON(url, optionsopt, cb) [source]

    • Fetch resource as a JSON Object. 
    maptalks.Ajax.getJSON(
    'url/to/resource.json',
    { jsonp : true },
    (err, json) => {
        if (err) {
            throw new Error(err);
        }
        // json is a JSON Object
        console.log(json.foo);
    }
);
    Parameter Type Default Description
    url String json's url
    options opt Object null optional options
    Properties
    Parameter Type Default Description
    jsonp opt String false fetch by jsonp, false by default
    cb function callback function when completed.