<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script src="echarts.js"></script>
<script src="jquery-1.10.2.js"></script>
</head>
<body>
<div id="box" style="960px;height:500px;margin:0 auto;"></div>
<script>
var myChart = echarts.init(document.getElementById('box'));
$.get('aqi-beijing.json', function (data) {
myChart.setOption(option = {
title: {
text: 'Beijing AQI'
},
tooltip: {
trigger: 'axis'
},
xAxis: {
data: data.map(function (item) {
return item[0];
})
},
yAxis: {
splitLine: {
show: false
}
},
toolbox: {
left: 'center',
feature: {
dataZoom: {
yAxisIndex: 'none'
},
restore: {},
saveAsImage: {}
}
},
dataZoom: [{
startValue: '2014-06-01'
}, {
type: 'inside'
}],
visualMap: {
top: 10,
right: 10,
pieces: [{
gt: 0,
lte: 50,
color: '#096'
}, {
gt: 50,
lte: 100,
color: '#ffde33'
}, {
gt: 100,
lte: 150,
color: '#ff9933'
}, {
gt: 150,
lte: 200,
color: '#cc0033'
}, {
gt: 200,
lte: 300,
color: '#660099'
}, {
gt: 300,
color: '#7e0023'
}],
outOfRange: {
color: '#999'
}
},
series: {
name: 'Beijing AQI',
type: 'line',
data: data.map(function (item) {
return item[1];
}),
markLine: {
silent: true,
data: [{
yAxis: 50
}, {
yAxis: 100
}, {
yAxis: 150
}, {
yAxis: 200
}, {
yAxis: 300
}]
}
}
});
});
</script>
</body>
</html>
demo链接：http://echarts.baidu.com/demo.html#line-aqi
api:http://echarts.baidu.com/option.html#visualMap-piecewise.pieces
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script src="echarts.js"></script>
</head>
<body>
<div id="box" style="960px;height:500px;margin:0 auto;"></div>
<script>
var weiChart = echarts.init(document.getElementById('box'));
var data1=[120, 132, 191, "-", "-", "-", "-"];
var data2=["-", "-", 191, 234, 190, "-", "-"];
var data3=["-", "-", "-", "-", 190, 330, 410];
option = {
title: {
text: '折线图堆叠'
},
tooltip: {
trigger: 'axis'
},
grid: {
left: '3%',
right: '4%',
bottom: '3%',
containLabel: true
},
toolbox: {
feature: {
saveAsImage: {}
}
},
xAxis: {
type: 'category',
boundaryGap: false,
data: ['周一','周二','周三','周四','周五','周六','周日']
},
yAxis: {
type: 'value'
},
series: [
{
name:'',
type:'line',
data:data1
},
{
name:'',
type:'line',
data:data2
},
{
name:'',
type:'line',
data:data3
},
]
};
weiChart.setOption(option);
</script>
</body>
</html>