象形柱图练习ECharts Gallery

20:11:45图表已生成
代码
var bgImg = 'data:image/png;base64,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';

var fillImg = 'data:image/png;base64,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';
var chartData = [
    {
        name: '通信',
        value: 2691
    }, 
    {
        name: '网络',
        value: 5000
    }, 
    {
        name: '能源',
        value: 3416
    },
    {
        name: '建筑',
        value: 4666
    },
];

var bgData = [];
var itemData = [];

// 取出每一条数据value,作为显示数据
chartData.forEach(function(items, index) {
    itemData.push(items.value);
})

// 取出所有数据最大值,作为背景象形柱图数据
chartData.forEach(function(items, index) {
    bgData.push({
        name: items.name,
        value: Math.max.apply(null, itemData)
    });
})

// 所有数据最大值
var maxValue = Math.max.apply(null, itemData);

// 字体 distance放大参数
var scale = 1;

//富文本配置
var rich = {
    white: {
        color: "#fff",
        align: 'left',
        fontSize: 18 * scale,
        padding: [0, 0]
    },
};

var option = {
    backgroundColor: '#031f2d',
    tooltip:{
        formatter:'{b} : {c}',
    },
    grid: {
        left: '3%',
        right: '6%',
        bottom: '3%',
        containLabel: true
    },
    xAxis: [{
        type: 'category',
        data:(function(data){
            var arr=[];
            data.forEach(function(items){
                arr.push(items.name);   
            });
            return arr;
        })(chartData),
        
        
        
        boundaryGap: ['20%', '20%'],
        splitLine: {
            show: false
        },
        axisLine: {
            show: false
        },
        axisTick: {
            show: false
        },
        axisLabel: {
            textStyle: {
                fontSize: 16 * scale,
                color: '#3fdaff'
            }
        }
    }],
    yAxis: [{
        type: 'value',
        splitLine: {
            show: false
        },
        axisLine: {
            show: false
        },
        axisTick: {
            show: true,
            inside: true,
            length: 10 * scale,
            lineStyle: {
                color: '#0b5263'
            }
        },
        axisLabel: {
            textStyle: {
                color: '#0b5263',
                fontSize: 14 * scale
            }
        },
    }],
    series: [
        //背景
        {
            name: 'bg',
            type: 'pictorialBar',
            barWidth: '45%',
            // barGap: '0%',
            silent: true,
            label: {
                normal: {
                    show: true,
                    position: "top",
                    distance: 20 * scale,
                    formatter: function(params) {
                        var stuNum = 0;
                        chartData.forEach(function(value, index, array) {
                            if (params.name == value.name) {
                                stuNum = value.value;
                            }
                        })
                        return stuNum + '{white| 人}';
                    },
                    textStyle: {
                        color: "#ffc72b",
                        fontSize: 20 * scale
                    },
                    rich: rich
                }
            },
            symbol: 'image://'+ bgImg,
            symbolClip:false,
            symbolBoundingData: maxValue,
            symbolSize: [52, '100%'],
            data: bgData
        },
        {
            name: '数据',
            type: 'pictorialBar',
            barWidth: '45%',
            barGap: '-100%',
            data: chartData,
            z: 3,
            symbol: 'image://'+ fillImg,
            symbolClip:true,
            symbolBoundingData: maxValue,
            symbolSize: [52, '100%']
        },
    ]
};
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