fn1(){
var myChart = echarts.init(document.getElementById(divId));
var data = [];
var timeData = [];
var yMinData = -5;
var yMaxData= 5
for(var i =0 ; i < nowData.length ; i++){
if(parseInt(nowData[i].ERROR) > parseInt(yMaxData)){
yMaxData = parseInt(nowData[i].ERROR)
}else if(parseInt(nowData[i].ERROR) < parseInt(yMinData)){
yMinData = parseInt(nowData[i].ERROR)
}
data.push(nowData[i].ERROR);
timeData.push(nowData[i].COLLECTINGTIME);
}
option = {
toolbox: { //增加保存，切换图表功能
show: true,
right: '5%',
feature: {
saveAsImage: {
show:true,
excludeComponents :['toolbox'],
pixelRatio: 2
},
magicType: {
type: ['line', 'bar']
}
}
},
xAxis: {
type: 'category',
data: timeData,
name: '时间'
},
title: {
show: true,
text: titleName,
left: 'center',
},
tooltip: {
trigger: 'axis'
},
legend:{
data:[name],
left:'middle',
top:'bottom',
},
yAxis: {
type: 'value',
max: yMaxData,
min: yMinData,
name: '相对误差(%)',
},
series: [{
name:name,
lineStyle: {
normal: {
width: 2,
type: 'dashed'
}
},
itemStyle: {
normal: {
borderWidth: 3,
color: 'red'
}
},
data: data,
type: 'line',
symbol: 'triangle',
symbolSize: 20,
markLine: {
lineStyle:{
normal:{
color:'red'
}
},
data: [
{yAxis: 5, name: '平均值'},
{yAxis: -5, name: '111'}
]
},
}],
visualMap: [{ //改变线的颜色
show: true,
dimension: 1,
type:'piecewise',
right: '1%',
top: '6%',
pieces: [{min: 5, max: yMaxData, color: 'red', label: '不合格'}, {min: yMinData, max: -5, color: 'red', label: '不合格'}, {min: -5, max: 5, color: 'green', label: '合格'}], //pieces的值由动态数据决定
outOfRange: {
color: 'green',
symbol: 'triangle',
}
}],
};
myChart.setOption(option);
}