显示该文字的位置，必须要有刻度，不然该文字会因为找不到位置而不显示
``` python
yAxis: {
min: 0,
max: 500,
minorTickInterval: 'auto',
minorTickWidth: 1,
minorTickLength: 10,
minorTickPosition: 'inside',
minorTickColor: 'transparent',
tickPixelInterval: 30,
tickWidth: 2,
tickPosition: 'inside',
tickLength: 10,
tickColor: 'transparent',
tickPositions:['50','150','250','350','450'],
// labels: {
// // step: 50,
// rotation: 'auto'
//
//
//
// },
title: {
// text: 'km/h'
},
plotBands: [
{
from: 0,
to: 100,
color: '#0c9fe2',
innerRadius: '100%',
outerRadius: '75%'
/* ,
label: {
text: '手动',
rotation:'30',
textAlign: 'center',
verticalAlign:'bottom',
x: 100,
style: {
fontSize: '12px',
fontWeight: 600
}
}*/
},
{
from: 100,
to: 200,
color: '#DDDF0D',
innerRadius: '100%',
outerRadius: '75%'
/*,
label: {
text: '自动',
rotation:'-60',
textAlign: 'center',
verticalAlign:'middle',
x: 100
}*/
},
{
from: 200,
to: 300,
color:'#E3170D',
innerRadius: '100%',
outerRadius: '75%'
/*,
label: {
text: 'MDI',
rotation:'0',
textAlign: 'center',
verticalAlign:'middle',
x: 250
}
*/
},
{
from: 300,
to: 400,
color:'#5cb85c',
innerRadius: '100%',
outerRadius: '75%'
/*,
label: {
text: '编辑',
rotation:'60',
textAlign: 'center',
verticalAlign:'bottom',
x: 340
}*/
},
{
from: 400,
to: 500,
color:'#DDDF0D',
innerRadius: '100%',
outerRadius: '75%'
/*,
label: {
text: '手摇',
rotation:'150',
textAlign: 'right',
verticalAlign:'bottom',
x: 300
}*/
}
],
labels: {
y:20,
formatter: function () {
console.log('-----')
console.log(this.value+'');
switch (this.value+''){
case '50':
return '手动';
case '150':
return '自动';
case '250':
return 'MDI';
case '350':
return '编辑';
case '450':
return '手摇';
default: return '';
}
},
distance:30,
style:{
color:'#ccc',
fontSize: '18px',
}
}
}
设定哪些区域显示什么名字，里面可以加字体旋转角度，要自己调整
series: [
{
name: '系统操作模式',
dataLabels:{
borderWidth: 0,
formatter:function(){
console.log('+++=====');
console.log(this.y);
var yy=this.y;
if(yy>0&&yy<=100){
return '手动';
}
if(yy>100&&yy<=200){
return '自动';
}
if(yy>200&&yy<=300){
return 'MDI';
}
if(yy>300&&yy<=400){
return '编辑';
}
if(yy>400&&yy<=500){
return '手摇';
}
},
style:{"color": "contrast", "fontSize": "36px", "fontWeight": "bold", "textOutline": "1px 1px contrast" }
},
data: [
{
name: '系统操作模式：',
y:datas,
sliced: true,
selected: true
}
],
tooltip: {
}
}
]
