<!-- Styles -->
 <link href="styles/vendor/wijmo.min.css" rel="external nofollow" rel="stylesheet" />
 <link href="styles/app.css" rel="external nofollow" rel="stylesheet" />
 <!-- Wijmo -->
 <script src="scripts/vendor/wijmo.min.js" type="text/javascript"></script>
 <script src="scripts/vendor/wijmo.chart.min.js" type="text/javascript"></script>
<script src="scripts/vendor/wijmo.chart.hierarchical.min.js" type="text/javascript"> </script>

<script src="scripts/app.js"></script>
<script src="scripts/sunburst.js"></script>

// 产生数据
var app = {
 getData: function () {
  var data = [],
   months = [['Jan', 'Feb', 'Mar'], ['Apr', 'May', 'June'], ['Jul', 'Aug', 'Sep'], ['Oct', 'Nov', 'Dec']],
   years = [2014, 2015, 2016];
  years.forEach(function (y, i) {
   months.forEach(function (q, idx) {
    var quar = 'Q' + (idx + 1);
    q.forEach(function (m) {
     data.push({
      year: y.toString(),
      quarter: quar,
      month: m,
      value: Math.round(Math.random() * 100)
     });
    });
   });
  });
  return data;
 },
};

(function(wijmo, app) {
 'use strict';
 // 创建控件
 var chart = new wijmo.chart.hierarchical.Sunburst('#introChart');
 // 初始化旭日图
 chart.beginUpdate();
 // 旭日图包含的值得属性名
 chart.binding = 'value';
 // 设置层级数据中子项目的名称，用于在旭日图中生成子项
 chart.bindingName = ['year', 'quarter', 'month'];
 // 设置数据源
 chart.itemsSource = app.getData();
 // 设置数据显示的位置
 chart.dataLabel.position = wijmo.chart.PieLabelPosition.Center;
 // 设置数据显示的内容
 chart.dataLabel.content = '{name}';
 // 设置选择模式
 chart.selectionMode = 'Point';
 chart.endUpdate();
})(wijmo, app);

<script src="scripts/DataLoader.js"></script>
<script src="scripts/app.js"></script>

var DataLoader = {};
// 一级分类
var METALS_TITLE = "金属";
var NON_METALS_TITLE = "非金属";
var OTHERS_TITLE = "过渡元素";
// 二级分类
var METAL_TYPES = '碱金属|碱土金属|过渡金属|镧系元素|锕系元素|其他金属'.split('|');
var NON_METAL_TYPES = '惰性气体|卤素|非金属'.split('|');
var OTHER_TYPES = '准金属|超锕系'.split('|');
DataLoader = {
 readFile: function (filePath, callback) {
  var reqClient = new XMLHttpRequest();
  reqClient.onload = callback;
  reqClient.open("get", filePath, true);
  reqClient.send();
 },
 isInclude: function (arr, data) {
  if (arr.toString().indexOf(data) > -1)
   return true;
  else
   return false;
 },
 generateCollectionView: function (callback) {
  DataLoader.readFile('data/elements.json', function (e) {
   // 获取数据
   var rawElementData = JSON.parse(this.responseText);
   var elementData = rawElementData['periodic-table-elements'].map(function (item) {
    item.properties.value = 1;
    return item.properties;
   });
   var data = new wijmo.collections.CollectionView(elementData);
   // 利用wijmo.collections.PropertyGroupDescription 进行第一级分组
   data.groupDescriptions.push(new wijmo.collections.PropertyGroupDescription('type', function (item, prop) {
    if (DataLoader.isInclude(METAL_TYPES, item[prop])) {
     return METALS_TITLE;
    } else if (DataLoader.isInclude(NON_METAL_TYPES, item[prop])) {
     return NON_METALS_TITLE;
    } else {
     return OTHERS_TITLE;
    }
   }));
   // 进行第二级分组
   data.groupDescriptions.push(new wijmo.collections.PropertyGroupDescription('type', function (item, prop) {
    return item[prop];
   }));
   callback(data);
  });
 }
};

var mySunburst;
function setSunburst(elementCollectionView) {
 // 创建旭日图控件
 mySunburst = new wijmo.chart.hierarchical.Sunburst('#periodic-sunburst');
 mySunburst.beginUpdate();
 // 设置旭日图的图例不显示
 mySunburst.legend.position = 'None';
 // 设置内圆半径
 mySunburst.innerRadius = 0.1;
 // 设置选择模式
 mySunburst.selectionMode = 'Point';
 // 设置数据显示的位置
 mySunburst.dataLabel.position = 'Center';
 // 设置数据显示的内容
 mySunburst.dataLabel.content = '{name}';
 // 进行数据绑定
 mySunburst.itemsSource = elementCollectionView.groups;
 // 包含图表值的属性名
 mySunburst.binding = 'value';
 // 数据项名称
 mySunburst.bindingName = ['name', 'name', 'symbol'];
 // 在分层数据中生成子项的属性的名称。
 mySunburst.childItemsPath = ['groups', 'items']; 
 mySunburst.endUpdate();
};
DataLoader.generateCollectionView(setSunburst);