饼图 环形图 自动播放echarts 饼配置项内容和展示

饼图 环形图 自动播放

      var chart = echarts.init(document.getElementById("chart-panel"));
option = {
    tooltip: {
        trigger: 'item',
        formatter: "{a} <br/>{b}: {c} ({d}%)"
    },
    legend: {
        orient: 'vertical',
        x: 'left',
        data:['直接访问','邮件营销','联盟广告','视频广告','搜索引擎']
    },
    series: [
        {
            name:'访问来源',
            type:'pie',
            radius: ['50%', '70%'],
            avoidLabelOverlap: false,
            label: {
                normal: {
                    show: false,
                    position: 'center'
                },
                emphasis: {
                    show: true,
                    textStyle: {
                        fontSize: '30',
                        fontWeight: 'bold'
                    }
                }
            },
            labelLine: {
                normal: {
                    show: false
                }
            },
            data:[
                {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'},
                {value:1548, name:'搜索引擎'}
            ]
        }
    ]
};
var curIndex = 0;
setInterval(function () {
	var dataLen = 5;
	//取消高亮
	chart.dispatchAction({type: 'downplay', seriesIndex: 0, dataIndex: curIndex});
	curIndex = (curIndex + 1) % dataLen;
	//设置高亮
	chart.dispatchAction({type: 'highlight', seriesIndex: 0, dataIndex: curIndex});
}, 3000);