div/chart.html at master · license2kill/div · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,height=device-height">
    <title>曲线折线图</title>
    <style>::-webkit-scrollbar{display:none;}html,body{overflow:hidden;height:100%;margin:0;}</style>
</head>
<body>
<div id="mountNode"></div>
<script>/*Fixing iframe window.innerHeight 0 issue in Safari*/document.body.clientHeight;</script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.g2-3.5.1/dist/g2.min.js"></script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.data-set-0.10.1/dist/data-set.min.js"></script>
<script>
  // 在一行中保存多个城市的数据，需要将数据转换成
  // {month: 'Jan', city: 'Tokyo', temperature: 3.9}
  var data = [{
    month: 'Jan',
    Tokyo: 7.0,
    London: 3.9
  }, {
    month: 'Feb',
    Tokyo: 6.9,
    London: 4.2
  }, {
    month: 'Mar',
    Tokyo: 9.5,
    London: 5.7
  }, {
    month: 'Apr',
    Tokyo: 14.5,
    London: 8.5
  }, {
    month: 'May',
    Tokyo: 18.4,
    London: 11.9
  }, {
    month: 'Jun',
    Tokyo: 21.5,
    London: 15.2
  }, {
    month: 'Jul',
    Tokyo: 25.2,
    London: 17.0
  }, {
    month: 'Aug',
    Tokyo: 26.5,
    London: 16.6
  }, {
    month: 'Sep',
    Tokyo: 23.3,
    London: 14.2
  }, {
    month: 'Oct',
    Tokyo: 18.3,
    London: 10.3
  }, {
    month: 'Nov',
    Tokyo: 13.9,
    London: 6.6
  }, {
    month: 'Dec',
    Tokyo: 9.6,
    London: 4.8
  }];
  var ds = new DataSet();
  var dv = ds.createView().source(data);
  // fold 方式完成了行列转换，如果不想使用 DataSet 直接手工转换数据即可
  dv.transform({
    type: 'fold',
    fields: ['Tokyo', 'London'], // 展开字段集
    key: 'city', // key字段
    value: 'temperature' // value字段
  });
  var chart = new G2.Chart({
    container: 'mountNode',
    forceFit: true,
    height: window.innerHeight
  });
  chart.source(dv, {
    month: {
      range: [0, 1]
    }
  });
  chart.tooltip({
    crosshairs: {
      type: 'line'
    }
  });
  chart.axis('temperature', {
    label: {
      formatter: function formatter(val) {
        return val + '°C';
      }
    }
  });
  chart.line().position('month*temperature').color('city').shape('smooth');
  chart.point().position('month*temperature').color('city').size(4).shape('circle').style({
    stroke: '#fff',
    lineWidth: 1
  });
  chart.render();
</script>
</body>
</html>