ExtJs/chart/chart-pie.html

<!DOCTYPE html>
<html>
<head>
   <link href="https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css" rel="stylesheet" />
   <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></script>
   <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/packages/charts/classic/charts.js"></script>
   <link href="https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/packages/charts/classic/classic/resources/charts-all.css" rel="stylesheet" />
   <script type="text/javascript">
      Ext.onReady(function() {
         Ext.create('Ext.chart.PolarChart', {
             renderTo: document.body,
             width: 600,
             height: 300,
             store: {
                 fields: ['name', 'g1'],
                 data: [
                     {"name": "Item-0", "g1": 57},
                     {"name": "Item-1", "g1": 45},
                     {"name": "Item-2", "g1": 67}
                 ]
             },

             //configure the legend.
             legend: {
                 docked: 'bottom'
             },

             //describe the actual pie series.
             series: [{
                 type: 'pie', // 此图表用于表示饼图格式的数据。它是一个极坐标图。
                 xField: 'g1', // 数据字段
                 label: {
                     field: 'name' // 分类字段
                 },
                 donut: 30 // increase or decrease for increasing or decreasing donut area in middle.  中间空出的面积
             }]
         });
      });
   </script>
</head>
<body>
</body>
</html>