dataset横向堆叠图echarts 柱状配置项内容和展示

      option = {
  legend: {},
  tooltip: {},
  dataset: {
    source: [
      ['product', '2012', '2013', '2014', '2015', '2016', '2017'],
      ['Milk Tea', 86.5, 92.1, 85.7, 83.1, 73.4, 55.1],
      ['Matcha Latte', 41.1, 30.4, 65.1, 53.3, 83.8, 98.7],
      ['Cheese Cocoa', 24.1, 67.2, 79.5, 86.4, 65.2, 82.5],
      ['Walnut Brownie', 55.2, 67.1, 69.2, 72.4, 53.9, 39.1]
    ]
  },
  yAxis: {
    type: 'category',
    boundaryGap: true
  },
  xAxis: {
    type: 'value'
  },
  series: [
    {
      type: 'bar',
      stack: '产品',
      seriesLayoutBy: 'column',
      label: {
        show: true,
        position: 'inside'
      },
      encode: {
        y: 'product',
        x: '2012',
        itemName: 'product',
        value: '2012'
      }
    },
    {
      type: 'bar',
      stack: '产品',
      seriesLayoutBy: 'column',
      label: {
        show: true,
        position: 'inside'
      },
      encode: {
        y: 'product',
        x: '2012',
        itemName: 'product',
        value: '2013'
      }
    },
    {
      type: 'bar',
      stack: '产品',
      seriesLayoutBy: 'column',
      label: {
        show: true,
        position: 'inside'
      },
      encode: {
        y: 'product',
        x: '2012',
        itemName: 'product',
        value: '2014'
      }
    },
    {
      type: 'bar',
      stack: '产品',
      seriesLayoutBy: 'column',
      label: {
        show: true,
        position: 'inside'
      },
      encode: {
        y: 'product',
        x: '2012',
        itemName: 'product',
        value: '2015'
      }
    }
  ]
};