Chart.js Derived Axis Type 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 Derived Axis Type</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>
    </ul>
    <div class="tab-content">
      <div class="tab-pane fade show active tab-pane-code" id="myChart-config">
        <pre>
const config = {
  type: 'line',
  data,
  options: {
    responsive: true,
    scales: {
      x: {
        display: true,
      },
      y: {
        display: true,
        type: 'log2',
      }
    }
  }
};
        </pre>
      </div>
      <div class="tab-pane fade tab-pane-code" id="myChart-setup">
        <pre>
const DATA_COUNT = 12;
const NUMBER_CFG = {count: DATA_COUNT, min: 0, max: 1000};
const labels = Utils.months({count: DATA_COUNT});
const data = {
  labels: labels,
  datasets: [
    {
      label: 'My First dataset',
      data: Utils.numbers(NUMBER_CFG),
      borderColor: Utils.CHART_COLORS.red,
      backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
      fill: false,
    }
  ],
};
        </pre>
      </div>
    </div>
  </div>
</div>

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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 DATA_COUNT = 12;
const NUMBER_CFG = {count: DATA_COUNT, min: 0, max: 1000};
const labels = Utils.months({count: DATA_COUNT});
const data = {
  labels: labels,
  datasets: [
    {
      label: 'My First dataset',
      data: Utils.numbers(NUMBER_CFG),
      borderColor: Utils.CHART_COLORS.red,
      backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
      fill: false,
    }
  ],
};

const config = {
  type: 'line',
  data,
  options: {
    responsive: true,
    scales: {
      x: {
        display: true,
      },
      y: {
        display: true,
        type: 'log2',
      }
    }
  }
};

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

const chart = new Chart(ctx, config);