描述
此图表用于表示饼图格式的数据。它是一个极坐标图。
语法
这里是简单的语法。
- Ext.create('Ext.chart.PolarChart', {
- series: [{
- Type: 'pie'
- ..
- }]
- render and other properties.
- });
例
下面是一个简单的例子显示用法。
- <!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',
- xField: 'g1',
- label: {
- field: 'name'
- },
- donut: 30 // increase or decrease for increasing or decreasing donut area in middle.
- }]
- });
- });
- </script>
- </head>
- <body>
- </body>
- </html>
尝试一下
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