let currName = "";

let myChart= echarts.getInstanceByDom(document.getElementById(‘chart-panel‘));//console.log(myChart);

myChart.on(‘mouseover‘, (params) =>{

currName=params.name;

console.log(params)

let op=myChart.getOption();

let _label={

normal:{

show:true,

position:‘center‘,

formatter: [

`{a|${params.name}}`,

`{b|${params.percent + "%"}}`

].join(‘\n‘),

rich: {

a: {

color:‘#fff‘,

fontSize:18,

lineHeight:30},

b: {

color:‘blue‘,

fontSize:20,

foneWeight:‘bold‘,

},

}

}

}if(params.seriesIndex === 1){

_label.normal.formatter= [‘zhiliang‘].join(‘\n‘)

}

op.series[0].label =_label;

myChart.setOption(op,true)

})

option={

tooltip: {

trigger:‘item‘,

formatter:‘{a}
{b}: {c} ({d}%)‘},

legend: {

orient:‘vertical‘,

right:10,

top:20,

bottom:20,

data: [‘直接访问‘, ‘邮件营销‘, ‘联盟广告‘, ‘视频广告‘, ‘搜索引擎‘]

},

color : [‘red‘, ‘orange‘, ‘yellow‘, ‘green‘, ‘blue‘, ‘indigo‘, ‘purple‘],

series: [

{

name:‘访问来源‘,

type:‘pie‘,

radius: [‘50%‘, ‘70%‘],

avoidLabelOverlap:false,

label: {

normal:{

show:true,

position:‘center‘,

formatter: [‘zhiliang‘].join(‘\n‘),

rich: {

a: {

color:‘#fff‘,

fontSize:18,

lineHeight:30},

b: {

color:‘yellow‘,

fontSize:20,

foneWeight:‘bold‘,

textShadowBlur:20,

textShadowColor:‘yellow‘},

}

}

},

labelLine: {

normal: {

show:false}

},

data: [

{value:335, name: ‘直接访问‘,color:"#cccccc"},

{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‘}

]

},

{

name:‘边框1‘,

type:‘pie‘,

hoverAnimation:false,

radius:[‘75%‘, ‘75%‘],

labelLine:{

normal:{

show:false}

},

itemStyle:{

normal:{

borderWidth:1,

borderColor:"#ffffff",

opacity:0}

},

data: [

{

value:100,

tooltip:{

show:false}

}

]

},

]

};