ECharts 怎么根据数据实现图表自增

1.ECharts 怎么根据数据实现图表自增,譬如我这里有2条数据,我对应要增加2个仪表图怎么实现?
2.这是代码,需要用到的是c3text和c4text分别设置仪表盘的刻度:
![图片描述][1]

3.这是代码:

var rounds = document.querySelector('div.round');

var _watchHtml = '';

//this._valueDatas 数据数组

this._valueDatas.forEach(function (value,index,array) {

//格式化获取到的图片中的对象数组

value = eval('('+ value +')');

//数组长度

console.log(array.length)

_watchHtml += '<div class="watchBox"><div class="watch"></div></div>'

rounds.innerHTML = _watchHtml;

//仪表盘配置参数

var watch = echarts.init(document.querySelector(".watch"));

var option = {

tooltip: {

formatter: "{a} <br/>{b} : {c}%"

},

textStyle: {

fontSize: 8,

},

series: [

{

name: '业务指标',

type: 'gauge',

radius: '100%',

splitNumber: 6,

center: [119, 110],

min: 0,

max: 60,

detail: {

formatter: '{value}min',

fontSize: 10,

offsetCenter: ['0%', '60%']

},

data: [{value: 30}],

axisLine: {

lineStyle: {

color: [

[0.165, '#91c7ae'],

[0.33, '#FF33CC'],

[0.5, '#9966CC'],

[0.67, '#FF6600'],

[0.83, '#6633CC'],

[1, '#c23531']

]

}

},

axisLabel: {

distance: 5,

fontSize: 10,

},

pointer: {

show: true,

length: '60%',

width: 5,

}

}

]

}

watch.setOption(option);

setInterval(function () {

option.series[0].data[0].value = (Math.random() * 60).toFixed(2) - 0;

watch.setOption(option, true);

}, 2000);

})

回答:

实现了,要在里面二次拼接,实现代码如下:

//TAT

var rounds = document.querySelector('div.round');

var _watchHtml = '';

this._valueDatas.forEach(function (value,index,array) {

value = eval('('+ value +')');

console.log(value)

var maxTat = value.c3text; //总值 100

var fwcTat = value.c4text; //警报值 60

var difTat = (maxTat - fwcTat); //安全值 100-60 = 40

var colors = difTat/100;

var _valueLengths = value.c3text.length;

_watchHtml += '<div class="watchBox"><div class="watch w'+index+'"></div></div>'

var wat=document.createElement('div');

wat.setAttribute('class','watchBox');

wat.innerHTML='<div class="watch w'+index+'"></div>';

// rounds.innerHTML = _watchHtml;

rounds.appendChild(wat)

//仪表盘配置参数

var watch = echarts.init(document.querySelector('.w'+index));

})

回答:

实现什么?啥都没看到?

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