export default function getData() {
    let params = [{
            value: 335,
            name: '直接访问'
        },
        {
            value: 310,
            name: '邮件营销'
        },
        {
            value: 234,
            name: '联盟广告'
        },
        {
            value: 135,
            name: '视频广告学习相'
        },
        {
            value: 500,
            name: '搜索引擎'
        }
    ]
    return {
        tooltip: {
            trigger: 'item',
            formatter: '{a} <br/>{b}: {c} ({d}%)'
        },
        legend: {
            orient: 'vertical',
            right: 10,
            top: 10,
            itemGap: 20,
            formatter: function(param) {
                return param + '    ' + params.find(val => val.name === param).value + '%';
            },
            tooltip: {
                show: true
            },
            textStyle: {
                color: "#FFF"
            },
        },

        color: ["#FF6600", "#FFCC00", "#CCFF99", "#99CCFF", "#66CCCC"],
        series: [{
            name: '',
            type: 'pie',
            radius: ['60%', '90%'],
            center: ['30%', '50%'],
            avoidLabelOverlap: false,
            label: {
                show: false,
                position: 'center',
                color: "#FFF",
            },
            emphasis: {
                label: {
                    show: true,
                    fontSize: '20',
                    // fontWeight: 'bold'
                }
            },
            labelLine: {
                show: false
            },
            data: params,
            roundCap: 1 //可选项为1和2，不填则采用原有拼接方式
        }]
    };
}