G2 - Step-line chart

             <!DOCTYPE html>
    <html>
      <head>
        <meta charset="utf-8">
        <title>Step-line chart</title>
<script src="https://a.alipayobjects.com/jquery/jquery/1.11.1/jquery.js"></script>
<script src="https://gw.alipayobjects.com/as/g/datavis/g2/2.3.13/index.js"></script>
      </head>
      <body>
          <div id="c1"></div>
 <script>
  var data = [
    {x: 1,y: 55,type: 'vh'},
    {x: 2,y: 60,type: 'vh'},
    {x: 3,y: 57,type: 'vh'},
    {x: 4,y: 52,type: 'vh'},
    {x: 5,y: 58,type: 'vh'},
    {x: 1,y: 45,type: 'hv'},
    {x: 2,y: 40,type: 'hv'},
    {x: 3,y: 47,type: 'hv'},
    {x: 4,y: 42,type: 'hv'},
    {x: 5,y: 48,type: 'hv'},
    {x: 1,y: 35,type: 'hvh'},
    {x: 2,y: 30,type: 'hvh'},
    {x: 3,y: 37,type: 'hvh'},
    {x: 4,y: 32,type: 'hvh'},
    {x: 5,y: 38,type: 'hvh'},
    {x: 1,y: 25,type: 'vhv'},
    {x: 2,y: 20,type: 'vhv'},
    {x: 3,y: 27,type: 'vhv'},
    {x: 4,y: 22,type: 'vhv'},
    {x: 5,y: 28,type: 'vhv'}
  ];
  var chart = new G2.Chart({
    id: 'c1',
    forceFit: true,
    height: 450
  });
  chart.source(data);
  chart.line().position('x*y').color('type').size(3).shape('type', ['vh','hv','hvh','vhv']); // 展示不同的 step 算法
  chart.render();
</script>


      </body>
    </html>
          
        

Step-line chart

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

<!DOCTYPE html>
    <html>
      <head>
        <meta charset="utf-8">
        <title>Step-line chart</title>
        <script src="https://unpkg.com/react@15/dist/react.min.js"></script>
        <script src="https://unpkg.com/react-dom@15/dist/react-dom.min.js"></script>
        <script src="https://a.alipayobjects.com/g/datavis/g2/2.3.13/g2.js"></script>
        <script src="https://unpkg.com/g2-react@1.2.0/dist/index.js"></script>
        <script src="https://cdn.bootcss.com/babel-core/5.8.38/browser.min.js"></script>
        <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
      </head>
      <body>
          <div id="c1"></div>
 <script type="text/babel">
    const Chart = createG2(chart => {
      chart.line().position('x*y').color('type').size(3).shape('type', ['vh','hv','hvh','vhv']); // 展示不同的 step 算法
      chart.render();
    });

const MyComponent = React.createClass({
      getInitialState() {
        return {
          data: [
            {x: 1,y: 55,type: 'vh'},
            {x: 2,y: 60,type: 'vh'},
            {x: 3,y: 57,type: 'vh'},
            {x: 4,y: 52,type: 'vh'},
            {x: 5,y: 58,type: 'vh'},
            {x: 1,y: 45,type: 'hv'},
            {x: 2,y: 40,type: 'hv'},
            {x: 3,y: 47,type: 'hv'},
            {x: 4,y: 42,type: 'hv'},
            {x: 5,y: 48,type: 'hv'},
            {x: 1,y: 35,type: 'hvh'},
            {x: 2,y: 30,type: 'hvh'},
            {x: 3,y: 37,type: 'hvh'},
            {x: 4,y: 32,type: 'hvh'},
            {x: 5,y: 38,type: 'hvh'},
            {x: 1,y: 25,type: 'vhv'},
            {x: 2,y: 20,type: 'vhv'},
            {x: 3,y: 27,type: 'vhv'},
            {x: 4,y: 22,type: 'vhv'},
            {x: 5,y: 28,type: 'vhv'}
          ],
          forceFit: true,
          width: 500,
          height: 450
        };
      },
      render() {
        return (
          <div>
            <Chart
              data={this.state.data}
              width={this.state.width}
              height={this.state.height}
              forceFit={this.state.forceFit} />
          </div>
        );
      },
    });
    ReactDOM.render(<MyComponent />, document.getElementById('c1'));
</script>

</body>
    </html>