Echarts可视化教程

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百度echarts定制堆叠柱状图

let bgSvg = 'data:image/svg+xml;base64,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'
var category = [
  "东北",
  "华东",
  "华中",
  "西南",
  "华北"
];
var barData = [{
    "name": "低危",
    "color": "#3ca418",
    "value": [10,41,22,92,72]
  },
  {
    "name": "中危",
    "color": "#31d0e9",
    "value": [64,40,24,97,39]
  },
  {
    "name": "高危",
    "color": "#ed902c",
    "value": [69,36,58,49,90]
  },
  {
    "name": "危急",
    "color": "#d8436b",
    "value": [94,7,67,33,20]
  }
]
let seriesData = barData.map((d, i) => {
  let arr = []
  if (i > 0) {
    let before = barData[i - 1]
    arr = d.value.map((v, j) => {
      let res = v
      res += before.value[j]
      d.value[j] = res
      return res
    })
  } else {
    arr = d.value
  }
  console.log(arr)
  return {
    name: d.name,
    data: arr,
    type: 'pictorialBar',
    symbol: 'rect',
    symbolSize: [40, 8],
    barWidth: 10,
    itemStyle: {
      normal: {
        barBorderRadius: 52,
        color: d.color
      }
    },
    stack: 'all',
    symbolRepeat: true,
    animationEasing: 'elasticOut',
    animationDelay: function(dataIndex, params) {
      return params.index * 30 * 1.1;
    },
    z: -i
  }
})
let backgroundData = [280, 280, 280, 280, 280]
option = {
  backgroundColor: '#0A1934',
  grid: {
    top: 30,
    left: 30,
    right: 30,
    bottom: 90
  },
  xAxis: {
    data: category,
    show: true,
    axisLabel: {
      color: '#fff',
      formatter: (value, index) => {
        return [
          '{title|'+ value + '}'
        ].join('\n')
      },
      rich: {
        title: {
          color: '#eee',
          align: 'center',
          lineHeight: 40
        },
      }
    },
    axisLine: {
      show: false
    },
    splitLine: {
      show: false
    },

  },
  yAxis: {
    show: false,
    splitLine: {
      show: false
    },
    axisLine: {
      show: false
    },
    axisLabel: {
      color: '#fff'
    }
  },
  series: [].concat(
  {
    data: backgroundData,
    type: 'pictorialBar',
    symbol: 'image://' + bgSvg,
    symbolOffset: ['-45%', 10],
    z: -100
  },
  seriesData),
  animation: true
};
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