各地市人口分布echarts pictorialBar配置项内容和展示

前三个数据一种类型背景图，其余的一种类型背景图

      var bg =
    'image://data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAARYAAAAUCAMAAAB/LOLCAAAAAXNSR0IB2cksfwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAD9QTFRFAABwAAAAAABwAABwAABwAABwAABwAABwAABwAABwAABwAABwAABwAABwAABwAABwAABwAABwAABwAABwAABwrxv9agAAABV0Uk5T/wA1p053q7yaZs0QRIlVJ++IId4ydKfDYQAAAFtJREFUeJzt0McNwDAQwLBzutPb/rMG/gbawOIIjCQQqYtoqxYxckv1BlvQZAvabEG9LSjbgnZb0GoLOV9byHPbQubFFjLaggZb0GQLumxBvS0ol5aj0U9pEfgA+DsJLXE1TzAAAAAASUVORK5CYII=';
var bar =
    'image://data:image/png;base64,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';
var data = [220, 22, 191, 234, 290, 120, 65, 444];
var barWidth = 20;
var maxNum = 0;
for (var i = 0; i < data.length; i++) {
    if (data[i] > maxNum) {
        maxNum = data[i];
    }
}

option = {
    backgroundColor: 'block',
    grid: {
        top: '10%',
        left: '20%',
        right: '10%',
        bottom: '0%',
    },

    title: {
        text: '各地市人口分布',
        textStyle: { fontSize: '16px', color: '#fff' },
    },
    xAxis: {
        show: false,
    },
    yAxis: {
        data: data.map((item, index) => `data ${index}`),
        splitLine: {
            show: false,
        },
        axisLabel: {
            textStyle: { fontSize: '16px', color: '#fff' },
        },
        axisLine: {
            show: false,
        },
        axisTick: false,
    },
    series: [
        {
            type: 'pictorialBar',
            barWidth: barWidth,
            zlevel: 2,
           data: data.map(function (item,index) {
  				let icon;
  				if(index>3) {
  					icon = bg;
  				} else {
  					icon = bar;
  				}
                  return {
                      value: item,
                      symbol: icon,
                  };
              }),
        },
        {
            type: 'pictorialBar',
            barWidth: barWidth,
            data: data.map(function (item) {
                return {
                    realValue: item,
                    value: maxNum +100,
                    symbol: bg,
                };
            }),
            label: {
                show: true,
                position: 'right', 
                        distance: 80, 
                        align:"right", 
                formatter: function (params) {
                    return params.data.realValue + ' 件';
                },
                color: '#b9a769',
                fontSize: 18,
            },
        },
    ],
};