function getRandomNumberByRange(start, end) {
return Math.floor(Math.random() * (end - start) + start)
}
function getData(){
var list=[];
for(var i=0;i<300;i++){
let item=[];
var a = getRandomNumberByRange(0,30)+Math.random();
var b =0;
if(a>1&&a<2){
b = getRandomNumberByRange(0,800);
}else if(a>4&&a<8){
b = getRandomNumberByRange(0,200);
}else if(a>9&&a<12){
b = getRandomNumberByRange(0,50);
}else{
b = getRandomNumberByRange(0,20);
}
item[0]=a;
item[1]=b;
list.push(item);
console.log(item);
}
return list;
}
option = {
legend: {},
tooltip: {},
xAxis: [
{
type: 'value',
gridIndex: 0,
name: '时间',
nameGap: 30,
nameLocation: 'middle',
min:0,
max:30,
interval:5,
axisLabel: {
formatter: '{value}m'
},
axisLine:{
// show:false,
onZero:false
},
minorTick:{
show:false,
splitNumber:10,
},
minorSplitLine: {
show: true,
lineStyle: {
color: '#ddd'
}
},
position:'bottom',
},
{
type: 'value',
gridIndex: 1,
name: '时间',
nameGap: 36,
nameLocation: 'middle',
//min:0,
max:30,
interval:5,
axisLine: {
// show:false,
onZero: false
},
axisLabel: {
formatter: '{value}m'
},
minorTick:{
show:false,
splitNumber:10,
},
minorSplitLine: {
show: true,
lineStyle: {
color: '#ddd'
}
},
position:'bottom',
boundaryGap:[0,0],
}
],
yAxis: [
{
gridIndex: 0,
name: '电压KV',
nameGap: 30,
nameLocation: 'middle',
},
{
gridIndex: 1,
name: '放电量pC',
nameGap: 30,
nameLocation: 'middle',
}
],
grid: [
{bottom: '55%'},
{top: '55%'}
],
series: [
// These series are in the first grid.
{
type: 'line',
xAxisIndex:0,
smooth:true,
symbol:'none',
lineStyle: {
color: 'rgb(43, 122, 186)',
},
data:[
[0,0],[1,-15],[2,15],[3,-14.5],[4,14.5],[5,-14],[6,14],[7,-13.5],[8,13.5],[9,-13],
[10,13],[11,-12.5],[12,12.5],[13,-12],[14,12],[15,-11.5],[16,11.5],[17,-11],[18,11],[19,-10.5],
[20,10.5],[21,-10],[22,10],[23,-9.5],[24,9.5],[25,-9],[26,9],[27,-8.5],[28,8.5],[29,-8],[30,8]
]
},
// These series are in the second grid.
{
type: 'bar',
xAxisIndex: 1,
yAxisIndex: 1,
barMinWidth:3,
barMaxWidth:5,
itemStyle: {
color: 'rgb(43, 122, 186)',
},
data:getData(),
},
]
};