Chart.js Scatter Multi Axis Chart 示例

HTML

CSS

JavaScript

HTML

<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
<title>Chart.js Scatter Multi Axis Chart</title>
<meta name="keywords" content="LightYear,光年,后台模板,后台管理系统,光年HTML模板">
<meta name="description" content="LightYear是一个基于Bootstrap的后台管理系统的HTML模板。">
<meta name="author" content="yinqi">
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</head>
  
<body>
<div class="chart-example">
  <div class="tab-content">
    <div class="chart-view"><canvas id="myChart"></canvas></div>
    <div class="chart-actions mt-3"></div>
    <ul class="nav nav-tabs mt-3">
      <li class="nav-item">
        <a class="nav-link active" data-toggle="tab" href="#myChart-config" aria-selected="true">Config</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" data-toggle="tab" href="#myChart-setup" aria-selected="false">Setup</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" data-toggle="tab" href="#myChart-actions" aria-selected="false">Actions</a>
      </li>
    </ul>
    <div class="tab-content">
      <div class="tab-pane fade show active tab-pane-code" id="myChart-config">
        <pre>
const config = {
  type: 'scatter',
  data: data,
  options: {
    responsive: true,
    plugins: {
      legend: {
        position: 'top',
      },
      title: {
        display: true,
        text: 'Chart.js Scatter Multi Axis Chart'
      }
    },
    scales: {
      y: {
        type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
        position: 'left',
        ticks: {
          color: Utils.CHART_COLORS.red
        }
      },
      y2: {
        type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
        position: 'right',
        reverse: true,
        ticks: {
          color: Utils.CHART_COLORS.blue
        },
        grid: {
          drawOnChartArea: false // only want the grid lines for one axis to show up
        }
      }
    }
  },
};
        </pre>
      </div>
      <div class="tab-pane fade tab-pane-code" id="myChart-setup">
        <pre>
const DATA_COUNT = 7;
const NUMBER_CFG = {count: DATA_COUNT, rmin: 1, rmax: 1, min: -100, max: 100};

const data = {
  datasets: [
    {
      label: 'Dataset 1',
      data: Utils.bubbles(NUMBER_CFG),
      borderColor: Utils.CHART_COLORS.red,
      backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
      yAxisID: 'y',
    },
    {
      label: 'Dataset 2',
      data: Utils.bubbles(NUMBER_CFG),
      borderColor: Utils.CHART_COLORS.orange,
      backgroundColor: Utils.transparentize(Utils.CHART_COLORS.orange, 0.5),
      yAxisID: 'y2',
    }
  ]
};
        </pre>
      </div>
      <div class="tab-pane fade tab-pane-code" id="myChart-actions">
        <pre>
const actions = [
  {
    name: 'Randomize',
    handler(chart) {
      chart.data.datasets.forEach(dataset => {
        dataset.data = Utils.bubbles({count: DATA_COUNT, rmin: 1, rmax: 1, min: -100, max: 100});
      });
      chart.update();
    }
  },
  {
    name: 'Add Dataset',
    handler(chart) {
      const chartData = chart.data;
      const dsColor = Utils.namedColor(chartData.datasets.length);
      const newDataset = {
        label: 'Dataset ' + (chartData.datasets.length + 1),
        backgroundColor: Utils.transparentize(dsColor, 0.5),
        borderColor: dsColor,
        data: Utils.bubbles({count: DATA_COUNT, rmin: 1, rmax: 1, min: -100, max: 100}),
      };
      chart.data.datasets.push(newDataset);
      chart.update();
    }
  },
  {
    name: 'Add Data',
    handler(chart) {
      const chartData = chart.data;
      if (chartData.datasets.length > 0) {

        for (let index = 0; index < chartData.datasets.length; ++index) {
          chartData.datasets[index].data.push(Utils.bubbles({count: 1, rmin: 1, rmax: 1, min: -100, max: 100})[0]);
        }

        chart.update();
      }
    }
  },
  {
    name: 'Remove Dataset',
    handler(chart) {
      chart.data.datasets.pop();
      chart.update();
    }
  },
  {
    name: 'Remove Data',
    handler(chart) {
      chart.data.datasets.forEach(dataset => {
        dataset.data.pop();
      });

      chart.update();
    }
  }
];
        </pre>
      </div>
    </div>
  </div>
</div>

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<script type="text/javascript" src="http://lyear.itshubao.com/v4/js/bootstrap.min.js"></script>
<script type="text/javascript" src="https://cdn.bootcdn.net/ajax/libs/Chart.js/4.1.1/chart.umd.min.js"></script>
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<script type="text/javascript" src="http://libs.itshubao.com/chartjs/utils.js"></script>
</body>
</html>

CSS

body{
  background: #fff;
}
.tab-content .chart-view {
  max-width: 800px;
}
.tab-content .tab-pane-code {
  height: 360px;
  overflow: auto;
}
.tab-content .tab-pane-code pre {
  height: 100%;
  margin: 0px;
}
.chart-example {
  width: calc(100% - 2px);
  border: 1px solid #ececec;
  padding: 10px;
}

JavaScript

const actions = [
  {
    name: 'Randomize',
    handler(chart) {
      chart.data.datasets.forEach(dataset => {
        dataset.data = Utils.bubbles({count: DATA_COUNT, rmin: 1, rmax: 1, min: -100, max: 100});
      });
      chart.update();
    }
  },
  {
    name: 'Add Dataset',
    handler(chart) {
      const chartData = chart.data;
      const dsColor = Utils.namedColor(chartData.datasets.length);
      const newDataset = {
        label: 'Dataset ' + (chartData.datasets.length + 1),
        backgroundColor: Utils.transparentize(dsColor, 0.5),
        borderColor: dsColor,
        data: Utils.bubbles({count: DATA_COUNT, rmin: 1, rmax: 1, min: -100, max: 100}),
      };
      chart.data.datasets.push(newDataset);
      chart.update();
    }
  },
  {
    name: 'Add Data',
    handler(chart) {
      const chartData = chart.data;
      if (chartData.datasets.length > 0) {

        for (let index = 0; index < chartData.datasets.length; ++index) {
          chartData.datasets[index].data.push(Utils.bubbles({count: 1, rmin: 1, rmax: 1, min: -100, max: 100})[0]);
        }

        chart.update();
      }
    }
  },
  {
    name: 'Remove Dataset',
    handler(chart) {
      chart.data.datasets.pop();
      chart.update();
    }
  },
  {
    name: 'Remove Data',
    handler(chart) {
      chart.data.datasets.forEach(dataset => {
        dataset.data.pop();
      });

      chart.update();
    }
  }
];

const DATA_COUNT = 7;
const NUMBER_CFG = {count: DATA_COUNT, rmin: 1, rmax: 1, min: -100, max: 100};

const data = {
  datasets: [
    {
      label: 'Dataset 1',
      data: Utils.bubbles(NUMBER_CFG),
      borderColor: Utils.CHART_COLORS.red,
      backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
      yAxisID: 'y',
    },
    {
      label: 'Dataset 2',
      data: Utils.bubbles(NUMBER_CFG),
      borderColor: Utils.CHART_COLORS.orange,
      backgroundColor: Utils.transparentize(Utils.CHART_COLORS.orange, 0.5),
      yAxisID: 'y2',
    }
  ]
};

const config = {
  type: 'scatter',
  data: data,
  options: {
    responsive: true,
    plugins: {
      legend: {
        position: 'top',
      },
      title: {
        display: true,
        text: 'Chart.js Scatter Multi Axis Chart'
      }
    },
    scales: {
      y: {
        type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
        position: 'left',
        ticks: {
          color: Utils.CHART_COLORS.red
        }
      },
      y2: {
        type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
        position: 'right',
        reverse: true,
        ticks: {
          color: Utils.CHART_COLORS.blue
        },
        grid: {
          drawOnChartArea: false // only want the grid lines for one axis to show up
        }
      }
    }
  },
};

const ctx = document.getElementById('myChart');

const chart = new Chart(ctx, config);

$.each(actions, function(index, value) {
    let aHtml = $('<a></a>').addClass('btn btn-default m-r-5').html(value.name);
    $('.chart-actions').append(aHtml);
    aHtml.on('click', function () {
        value.handler(chart);
    });
});