echarts pie

var myChart = echarts.init(document.getElementById('main'));data=[    {value:400, name:'旅游'},    {value:300, name:'学习'},    {value:200, name:'游戏'},    {value:100, name:'ktv'}]//data=[400,300,200,100]//没有name的值不会显示标签var option = {    series : [        {type: 'pie',data:data}    ]};myChart.setOption(option);