环状弧形图echarts 饼配置项内容和展示

      var data = [
    {
        value: 200,
        name: '业务车辆',
    },
    {
        value: 110,
        name: '施工车辆',
    },
    {
        value: 150,
        name: '参观车辆',
    },
    {
        value: 180,
        name: '其他车辆',
    },
];
let datum = data.map((v) => v.value);
let color = ['#27D099', '#B458F5', '#FCD54B', '#5684F4'];
let data1 = data[0].value + data[1].value + data[2].value + data[3].value;
let baseData = [];
for (var i = 0; i < data.length; i++) {
    baseData.push({
        value: data[i].value,
        name: data[i].name,
        itemStyle: {
            normal: {
                borderWidth: 30,
                shadowBlur: 20,
                borderColor: color[i],
                borderRadius: 20,
            },
        },
    });
}
option = {
    title: {
        text: `{a|外来车辆分类统计} {b|2021-12-23}`,
        textStyle: {
            rich: {
                a: {
                    fontSize: 16,
                    fontWeight: 600,
                },
                b: {
                    fontSize: 12,
                    color: 'gray',
                },
            },
        },
        top: '4%',
        left: '4%',
    },
    color: color,
    tooltip: {
        show: true,
        trigger: 'item',
        formatter: '{b} <br/>占比：{d}%',
    },
    legend: {
        orient: 'vertical',
        right: '20%',
        top: '36%',
        itemGap: 50,
        itemWidth: 14,
        formatter: function (name) {
            for (var i = 0; arguments.length; i++) {
                if (name == '施工车辆') {
                    i = 1;
                } else if (name == '参观车辆') {
                    i = 2;
                } else if (name == '其他车辆') {
                    i = 3;
                }
                return `{a|${name}}  {b${i}|${datum[i]}}  {c|辆}`;
            }
        },
        textStyle: {
            rich: (function () {
                return {
                    b0: {
                        fontSize: 16,
                        fontWeight: 'bold',
                        color: color[0],
                    },
                    b1: {
                        fontSize: 16,
                        fontWeight: 'bold',
                        color: color[1],
                    },
                    b2: {
                        fontSize: 16,
                        fontWeight: 'bold',
                        color: color[2],
                    },
                    b3: {
                        fontSize: 16,
                        fontWeight: 'bold',
                        color: color[3],
                    },
                };
            })(),
        },
    },
    grid: {
        top: 'bottom',
        left: 10,
        bottom: 10,
        width: '80%',
        height: '80%',
    },
    series: [
        {
            zlevel: 1,
            name: '外来车辆分类统计',
            type: 'pie',
            selectedMode: 'single',
            radius: [120, 160],
            center: ['35%', '50%'],
            startAngle: 60,
            // hoverAnimation: false,
            label: {
                normal: {
                    position: 'inside',
                    show: true,
                    color: '#fff',
                    formatter: function (params) {
                        return params.percent.toFixed() + '%';
                    },
                    rich: {
                        b: {
                            fontSize: 16,
                            lineHeight: 30,
                            color: '#fff',
                        },
                    },
                },
            },
            itemStyle: {
                normal: {
                    shadowColor: 'rgba(0, 0, 0, 0.2)',
                    shadowBlur: 10,
                },
            },
            data: baseData,
        },
        {
            name: '',
            type: 'pie',
            selectedMode: 'single',
            radius: [120, 160],
            center: ['35%', '50%'],
            startAngle: 60,
            data: [
                {
                    value: data1,
                    name: '',
                    label: {
                        normal: {
                            show: true,
                            formatter: '{c|{c}辆} \n {a|本日外来\n车辆总数}',
                            rich: {
                                c: {
                                    color: '#000',
                                    fontSize: 20,
                                    fontWeight: 'bold',
                                    lineHeight: 2,
                                    align: 'center',
                                    padding: [30, 0, 30, 0],
                                },
                                a: {
                                    align: 'center',
                                    color: 'rgb(98,137,169)',
                                    fontSize: 12,
                                    padding: [16, 0, -10, -10],
                                },
                            },
                            position: 'center',
                        },
                    },
                },
            ],
        },
    ],
};