G2 - The Grammar Of Graphics

线图 / 各城市温度对比

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源码

<!DOCTYPE html>
  <html>
    <head>
      <meta charset="utf-8">
      <title>各城市温度对比</title>
      <link rel="stylesheet" href="https://os.alipayobjects.com/s/prod/g2/static/doc-b57e62881a0344ecde9e68c4ce312143.css"/>
      
      <script src="https://a.alipayobjects.com/jquery/jquery/1.11.1/jquery.js"></script>

<script src="https://a.alipayobjects.com/g/datavis/g2/2.2.1/g2.js"></script>
    </head>
    <body>
      <div id="c1"></div>
      
      <script>
$.getJSON('../../static/data/avg-temp.json',function(data){
  var Frame = G2.Frame;
  var frame = new Frame(data);
  frame = Frame.combinColumns(frame, ['New York', 'San Francisco','Austin'], 'value', 'city', 'date'); 
  var chart = new G2.Chart({
    id: 'c1',
    width : 1000,
    height : 500,
    plotCfg: {
      margin: [20, 120, 80, 80]
    }
  });

chart.source(frame, {
    date: {
      type: 'time',
      mask: 'yyyy.mm',
      tickCount: 12
    },
    value: {
      alias: 'Temperature, ºF'
    }
  });
  chart.axis('date', {
    line: null,
    tickLine: {
      stroke: '#000',
      value: 6 // 刻度线长度
    },
    title: null
  });
  chart.axis('value', {
    tickLine: {
      stroke: '#000',
      value: 6 // 刻度线长度
    },
    labels: {
      label: {
        fill: '#000'
      }
    },
    line: {
      stroke: '#000'
    },
    grid: null
  });
  chart.line().position('date*value').color('city', ['#1f77b4', '#ff7f0e', '#2ca02c']).shape('spline').size(2);
  chart.render();
});
</script>

</body>
  </html>

<script src="https://a.alipayobjects.com/g/datavis/g2/2.2.1/g2.js"></script>
      <script>
        G2.Global.setTheme('dark');
      </script>
    </head>
    <body>
      <div id="c1"></div>
      <script>
$.getJSON('../../static/data/avg-temp.json',function(data){
  var Frame = G2.Frame;
  var frame = new Frame(data);
  frame = Frame.combinColumns(frame, ['New York', 'San Francisco','Austin'], 'value', 'city', 'date'); 
  var chart = new G2.Chart({
    id: 'c1',
    width : 1000,
    height : 500,
    plotCfg: {
      margin: [20, 120, 80, 80]
    }
  });

</body>
  </html>

各城市温度对比

折线图用于显示数据在一个连续的时间间隔或者时间跨度上的变化，它的特点是反映事物随时间或有序类别而变化的趋势。了解更多