Echarts在线免费图表

 
            var arr = [{
            name:'数据1',
            value:100
        },{
            name:'数据2',
            value:231
        },{
            name:'数据3',
            value:79
        }]
option = {
    title: {
        text: 'Awesome Chart'
    },
    legend:{
        show:true,
        orient:'vertical',
        top:'5%',
        right:'5%',
        formatter:function(name){
            for(let i=0;i<arr.length;i++){
                if(arr[i].name==name){
                    return name+'  '+arr[i].value
                }
            }
        },
        data:['数据1','数据2','数据3']
    },
    series: [{
        type: 'pie',
        radius:[90,115],
        data:arr
    }]
};