HTML
CSS
JavaScript
HTML
<!DOCTYPE html>
<html lang="zh" >
<head>
<meta charset="UTF-8">
<title>Chart.js Doughnut and Pie Charts</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimal-ui">
<link rel="stylesheet" type="text/css" href="http://lyear.itshubao.com/v4/css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="http://lyear.itshubao.com/v4/css/style.min.css">
</head>

<body>
<div class="chart-example">
  <ul class="nav nav-tabs">
    <li class="nav-item">
      <a class="nav-link active" data-toggle="tab" href="#doughnut" aria-selected="true">Doughnut</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" data-toggle="tab" href="#pie" aria-selected="false">Pie</a>
    </li>
  </ul>
  <div class="tab-content">
    <div class="tab-pane fade show active" id="doughnut">
      <div class="chart-view"><canvas id="myChart-doughnut"></canvas></div>
      <ul class="nav nav-tabs mt-3">
        <li class="nav-item">
          <a class="nav-link active" data-toggle="tab" href="#doughnut-config" aria-selected="true">Config</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" data-toggle="tab" href="#doughnut-setup" aria-selected="false">Setup</a>
        </li>
      </ul>
      <div class="tab-content">
        <div class="tab-pane fade show active tab-pane-code" id="doughnut-config">
          <pre>
const config = {
  type: 'doughnut',
  data: data,
};
          </pre>
        </div>
        <div class="tab-pane fade tab-pane-code" id="doughnut-setup">
          <pre>
const data = {
  labels: [
    'Red',
    'Blue',
    'Yellow'
  ],
  datasets: [{
    label: 'My First Dataset',
    data: [300, 50, 100],
    backgroundColor: [
      'rgb(255, 99, 132)',
      'rgb(54, 162, 235)',
      'rgb(255, 205, 86)'
    ],
    hoverOffset: 4
  }]
};
          </pre>
        </div>
      </div>
    </div>
    <div class="tab-pane fade" id="pie">
      <div class="chart-view"><canvas id="myChart-pie"></canvas></div>
      
      <ul class="nav nav-tabs mt-3">
        <li class="nav-item">
          <a class="nav-link active" data-toggle="tab" href="#pie-config" aria-selected="true">Config</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" data-toggle="tab" href="#pie-setup" aria-selected="false">Setup</a>
        </li>
      </ul>
      <div class="tab-content">
        <div class="tab-pane fade show active tab-pane-code" id="pie-config">
          <pre>
const config = {
  type: 'pie',
  data: data,
};
          </pre>
        </div>
        <div class="tab-pane fade tab-pane-code" id="pie-setup">
          <pre>
const data = {
  labels: [
    'Red',
    'Blue',
    'Yellow'
  ],
  datasets: [{
    label: 'My First Dataset',
    data: [300, 50, 100],
    backgroundColor: [
      'rgb(255, 99, 132)',
      'rgb(54, 162, 235)',
      'rgb(255, 205, 86)'
    ],
    hoverOffset: 4
  }]
};
          </pre>
        </div>
      </div>
    </div>
  </div>
</div>
<script type="text/javascript" src="http://lyear.itshubao.com/v4/js/jquery.min.js"></script>
<script type="text/javascript" src="http://lyear.itshubao.com/v4/js/popper.min.js"></script>
<script type="text/javascript" src="http://lyear.itshubao.com/v4/js/bootstrap.min.js"></script>
<script src="https://cdn.bootcdn.net/ajax/libs/Chart.js/4.1.1/chart.umd.min.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 = {
  labels: [
    'Red',
    'Blue',
    'Yellow'
  ],
  datasets: [{
    label: 'My First Dataset',
    data: [300, 50, 100],
    backgroundColor: [
      'rgb(255, 99, 132)',
      'rgb(54, 162, 235)',
      'rgb(255, 205, 86)'
    ],
    hoverOffset: 4
  }]
};

const config = {
  type: 'doughnut',
  data: data,
};

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

new Chart(ctx, config);

const config2 = {
  type: 'pie',
  data: data,
};

const ctx2 = document.getElementById('myChart-pie');

new Chart(ctx2, config2);