G2-mobile - 平滑折线图

   <!DOCTYPE html>
    <html>
      <head>
        <meta charset="utf-8">
        <title>平滑折线图</title>
<script src="https://a.alipayobjects.com/g/datavis/g2-mobile-all/2.1.22/index.js"></script>
      </head>
      <body>
          <div style="width:416px;height:218px;margin:0 auto">
              <canvas id="c1" style="width:416px;height:218px;"></canvas>
          </div>
 <script>
  GM.Global.pixelRatio = 2;
  var Util = GM.Util;
  var data = [
    {"time": '周一',"tem": 10,"city": "beijing"},
    {"time": '周二',"tem": 22,"city": "beijing"},
    {"time": '周三',"tem": 20,"city": "beijing"},
    {"time": '周四',"tem": 26,"city": "beijing"},
    {"time": '周五',"tem": 20,"city": "beijing"},
    {"time": '周六',"tem": 26,"city": "beijing"},
    {"time": '周日',"tem": 28,"city": "beijing"},
    {"time": '周一',"tem": 5,"city": "newYork"},
    {"time": '周二',"tem": 12,"city": "newYork"},
    {"time": '周三',"tem": 26,"city": "newYork"},
    {"time": '周四',"tem": 20,"city": "newYork"},
    {"time": '周五',"tem": 28,"city": "newYork"},
    {"time": '周六',"tem": 26,"city": "newYork"},
    {"time": '周日',"tem": 20,"city": "newYork"}
  ];

  var chart = new GM.Chart({
    id: 'c1'
  });

  var defs = {
    time: {
      tickCount: 7,
      range:[0,1]
    },
    tem: {
      tickCount: 5,
      min: 0
    }
  };

  //配置time刻度文字样式
  var label = {
    fill: '#979797',
    font: '14px san-serif',
    offset: 6
  };
  chart.axis('time', {
      label: function (text, index, total) {
          var cfg = Util.mix({}, label);
          // 第一个点左对齐，最后一个点右对齐，其余居中，只有一个点时左对齐
          if (index === 0) {
            cfg.textAlign = 'start';
          }
          if (index > 0 && index === total - 1) {
            cfg.textAlign = 'end';
          }
          return cfg;
      }
  });

  //配置刻度文字大小，供PC端显示用(移动端可以使用默认值20px)
  chart.axis('tem', {
      label: {
          fontSize: 14
      }
  });

  chart.source(data, defs);
  chart.line().position('time*tem').color('city').shape('smooth');
  chart.render();

</script>

      </body>
    </html>
          
平滑折线图