Echarts在线免费图表

 
            var setLabel = function(data){
    var opts = [];
    for(var i=0;i<data.length;i++){
        var item = {};
        item.name = data[i].name;
        item.value = data[i].value;
        item.itemStyle = {
            color:data[i].color
        }
        item.label = {
            formatter: [
                '{d|'+item.value+'}',
                '{e|.} {b|'+item.name+'}'
            ].join('\n'),
            rich: {
                d:{
                    fontWeight:'bold',
                    color:'#666',
                    fontSize:14
                },
                e: {
                    width:8,
                    height:8,
                    borderRadius:8,
                    backgroundColor:data[i].color,
                    verticalAlign:'middle'
                },
                b:{
                    color:'#777',
                    padding:[0,0,3,2]
                }
            }
        }
        
        opts.push(item)
    }
    return opts;
}
option = {
    tooltip : {
        trigger: 'item',
        formatter: "{a} <br/>{b} : {c} ({d}%)"
    },
    series : [
        {
            name: '姓名',
            type: 'pie',
            startAngle:0,
            radius : '55%',
            center: ['40%', '50%'],
            label:{
                lineHeight:20,
                align:'left'
            },
            labelLine:{
                show:false
            },
            data: setLabel([
                {value:234, name:'联盟广告',color:'#ef4764'},
                {value:135, name:'视频广告',color:'#facc27'},
                {value:148, name:'搜索引擎',color:'#3196fa'}
            ]),
            itemStyle: {
                emphasis: {
                    shadowBlur: 10,
                    shadowOffsetX: 0,
                    shadowColor: 'rgba(0, 0, 0, 0.5)'
                }
            }
        }
    ]
};