/*
title: Nested Pies
category: 'pie, rich'
titleCN: 嵌套环形图
difficulty: 5
*/

option = {
    tooltip: {
        trigger: 'item',
        formatter: '{a} <br/>{b}: {c} ({d}%)'
    },
    legend: {
        data: ['直达', '营销广告', '搜索引擎', '邮件营销', '联盟广告', '视频广告', '百度', '谷歌', '必应', '其他']
    },
    series: [
        {
            name: '访问来源',
            type: 'pie',
            selectedMode: 'single',
            radius: [0, '30%'],
            label: {
                position: 'inner',
                fontSize: 14,
            },
            labelLine: {
                show: false
            },
            data: [
                {value: 1548, name: '搜索引擎'},
                {value: 775, name: '直达'},
                {value: 679, name: '营销广告', selected: true}
            ]
        },
        {
            name: '访问来源',
            type: 'pie',
            radius: ['45%', '60%'],
            labelLine: {
                length: 30,
            },
            label: {
                formatter: '{a|{a}}{abg|}\n{hr|}\n  {b|{b}：}{c}  {per|{d}%}  ',
                backgroundColor: '#F6F8FC',
                borderColor: '#8C8D8E',
                borderWidth: 1,
                borderRadius: 4,
                
                rich: {
                    a: {
                        color: '#6E7079',
                        lineHeight: 22,
                        align: 'center'
                    },
                    hr: {
                        borderColor: '#8C8D8E',
                        width: '100%',
                        borderWidth: 1,
                        height: 0
                    },
                    b: {
                        color: '#4C5058',
                        fontSize: 14,
                        fontWeight: 'bold',
                        lineHeight: 33
                    },
                    per: {
                        color: '#fff',
                        backgroundColor: '#4C5058',
                        padding: [3, 4],
                        borderRadius: 4
                    }
                }
            },
            data: [
                {value: 1048, name: '百度'},
                {value: 335, name: '直达'},
                {value: 310, name: '邮件营销'},
                {value: 251, name: '谷歌'},
                {value: 234, name: '联盟广告'},
                {value: 147, name: '必应'},
                {value: 135, name: '视频广告'},
                {value: 102, name: '其他'}
            ]
        }
    ]
};