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HTML

              
                <html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,height=device-height">
    <title>台灣老年人口與長照機構供需比</title>
    <style>::-webkit-scrollbar{display:none;}html,body{overflow:hidden;height:100%;}</style>
</head>
<body>
  <button onclick="changeData('all')">All Data</button>
  <button onclick="changeData()">Remove 外島</button>
<div id="mountNode"></div>
<script src="https://gw.alipayobjects.com/os/antv/assets/g2/3.0.9/g2.min.js"></script>
  <script src="https://gw.alipayobjects.com/os/antv/assets/data-set/0.8.7/data-set.min.js"></script>
</body>
</html>

              
            
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CSS

              
                
              
            
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JS

              
                var imageMap = {
  '長照、養護人員': 'https://image.flaticon.com/icons/svg/65/65463.svg',
  '老年人口數(85~100+)': 'https://image.flaticon.com/icons/svg/773/773256.svg',
  '可供進住人數': 'https://image.flaticon.com/icons/svg/73/73784.svg',
};

// const allData = [ { name: '可供進住人數',
//     '新北市': 10629,
//     '臺北市': 5521,
//     '桃園市': 3345,
//     '臺中市': 4185,
//     '臺南市': 5490,
//     '高雄市': 7971,
//     '宜蘭縣': 2374,
//     '新竹縣': 1283,
//     '苗栗縣': 943,
//     '彰化縣': 2655,
//     '南投縣': 1243,
//     '雲林縣': 2001,
//     '嘉義縣': 1293,
//     '屏東縣': 3036,
//     '臺東縣': 730,
//     '花蓮縣': 879,
//     '澎湖縣': 83,
//     '基隆市': 1908,
//     '新竹市': 439,
//     '嘉義市': 811,
//     '金門縣': 294,
//     '連江縣': 34 },
//   { name: '長照、養護人員',
//     '新北市': 3828,
//     '臺北市': 2097,
//     '桃園市': 1121,
//     '臺中市': 1304,
//     '臺南市': 1726,
//     '高雄市': 2666,
//     '宜蘭縣': 851,
//     '新竹縣': 378,
//     '苗栗縣': 273,
//     '彰化縣': 874,
//     '南投縣': 333,
//     '雲林縣': 734,
//     '嘉義縣': 417,
//     '屏東縣': 866,
//     '臺東縣': 222,
//     '花蓮縣': 260,
//     '澎湖縣': 23,
//     '基隆市': 560,
//     '新竹市': 159,
//     '嘉義市': 299,
//     '金門縣': 58,
//     '連江縣': 15 },
//   { name: '老年人口數(85~100+)',
//     '新北市': 48056,
//     '臺北市': 56730,
//     '桃園市': 28271,
//     '臺中市': 32844,
//     '臺南市': 31438,
//     '高雄市': 37454,
//     '宜蘭縣': 8525,
//     '新竹縣': 8471,
//     '苗栗縣': 11315,
//     '彰化縣': 22824,
//     '南投縣': 10194,
//     '雲林縣': 14894,
//     '嘉義縣': 12527,
//     '屏東縣': 13650,
//     '臺東縣': 4156,
//     '花蓮縣': 6041,
//     '澎湖縣': 2438,
//     '基隆市': 6038,
//     '新竹市': 6352,
//     '嘉義市': 4339,
//     '金門縣': 2026,
//     '連江縣': 174 } ];
const data = [ { name: '可供進住人數',
    '北部': 25499,
    '中部': 11027,
    '南部': 18684,
    '東部': 1609,
    '外島': 328 },
  { name: '長照、養護人員',
    '北部': 8994,
    '中部': 3518,
    '南部': 5997,
    '東部': 482,
    '外島': 73 },
  { name: '老年人口數(85~100+)',
    '北部': 162443,
    '中部': 92071,
    '南部': 101846,
    '東部': 10197,
    '外島': 2200 } ];
// const SimpleAll = [
//   {name: '可供進住人數', value: 57147},
//   {name: '長照、養護人員', value: 19064},
//   {name: '老年人口數(85~100+)', value: 368757}
// ];
  const ds = new DataSet();
  const dv = ds.createView().source(data);
  dv.transform({
    type: 'fold',
    fields: [ '北部', '中部', '南部', '東部', '外島'], // 展開資料
    key: '區域', // key
    value: '區域人數', // value
    retains: [ 'name' ]
  });

  const chart = new G2.Chart({
    container: 'mountNode',
    forceFit: true,
    height: window.innerHeight
  });
  chart.source(dv);
  chart.interval().position('區域*區域人數').color('name').adjust([{
    type: 'dodge',
    marginRatio: 1 / 5
  }]);

  chart.scale('區域人數', {
    minLimit: 73
  });

  chart.point()
    .position(['區域', '區域人數'])
    .adjust([{
      type: 'dodge',
      marginRatio: 1 / 5
    }])
    .size(25)
    .shape('name', function (name) {
    return ['image', imageMap[name]];
  });
  chart.render();

const changeData = (status) => {
  chart.filter('區域', val => {
    if (status === 'all') {
      chart.scale('區域人數', {
        minLimit: 73
      });
      return true;
    }
    chart.scale('區域人數', {
      minLimit: 400
    });
    return val !== '外島';
  });
  chart.repaint();
};
              
            
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999px

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