设备数echarts 饼配置项内容和展示

      let color = ['#0E7CE2', '#FF8352', '#E271DE', '#F8456B', '#00FFFF', '#4AEAB0'];
let echartData = [
    {
        name: '设备1',
        value: '3720',
    },
    {
        name: '设备2',
        value: '2920',
    },
    {
        name: '设备3',
        value: '2200',
    },
    {
        name: '设备4',
        value: '1420',
    },
];
let formatNumber = function (num) {
    let reg = /(?=(\B)(\d{3})+$)/g;
    return num.toString().replace(reg, ',');
};
option = {
    backgroundColor: '#364686',
    color: color,
    title: [
        {
            text: '设备数',
            x: 'center',
            top: '42%',
            textStyle: {
                color: '#fff',
                fontSize: 34,
                fontWeight: '100',
            },
        },
        {
            text: '60%',
            x: 'center',
            top: '50%',
            textStyle: {
                fontSize: 76,
                color: '#00f0ff',
                foontWeight: '500',
            },
        },
    ],
    polar: {
        radius: ['44%', '50%'],
        center: ['50%', '50%'],
    },
    angleAxis: {
        max: 100,
        show: false,
    },
    radiusAxis: {
        type: 'category',
        show: true,
        axisLabel: {
            show: false,
        },
        axisLine: {
            show: false,
        },
        axisTick: {
            show: false,
        },
    },
    series: [
        {
            type: 'pie',
            radius: ['55%', '67%'],
            center: ['50%', '50%'],
            data: echartData,
            hoverAnimation: false,
            itemStyle: {
                normal: {
                    borderColor: '#364684',
                    borderWidth: 2,
                },
            },
            labelLine: {
                normal: {
                    length: 60,
                    length2: 60,
                    lineStyle: {
                        color: '#e6e6e6',
                    },
                },
            },
            label: {
                normal: {
                    formatter: (params) => {
                        return '{icon|●}{name|' + params.name + '}\n{value|' + formatNumber(params.value) + '}';
                    },
                    padding: [0, -70, 30, -70],
                    rich: {
                        icon: {
                            fontSize: 16,
                            align: 'left',
                            padding: [4, 0, 0, 0],
                        },
                        name: {
                            fontSize: 14,
                            align: 'left',
                            padding: [4, 0, 0, 0],
                            color: '#fff',
                        },
                        value: {
                            fontSize: 18,
                            fontWeight: 'bold',
                            color: '#fff',
                            align: 'left',
                        },
                    },
                },
            },
        },
        {
            name: '',
            type: 'pie',
            startAngle: 90,
            radius: '50%',
            hoverAnimation: false,
            center: ['50%', '50%'],
            itemStyle: {
                normal: {
                    labelLine: {
                        show: false,
                    },
                    color: new echarts.graphic.RadialGradient(0.5, 0.5, 1, [
                        {
                            offset: 1,
                            color: 'rgba(50,171,241, 1)',
                        },
                        {
                            offset: 0,
                            color: 'rgba(55,70,130, 0)',
                        },
                    ]),
                    // borderWidth: 1,
                    // borderColor: '',
                    shadowBlur: 10,
                    // shadowColor: 'rgba(55,70,130, 1)'
                },
            },
            data: [
                {
                    value: 100,
                },
            ],
        },
    ],
};