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1_1_line_chart.html
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<!--标准折线图-->
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>a</title>
<style>
body {
background-color: #FFF
}
</style>
</head>
<body>
<div id="main" style="height:500px;width: 100%; margin-left: 0px;float: left;"></div>
<!-- ECharts单文件引入 -->
<script src="echarts-2/build/dist/echarts.js"></script>
<script src="http://libs.baidu.com/jquery/1.11.1/jquery.min.js"></script>
<script type="text/javascript">
// 路径配置
require.config({
paths: {
echarts: 'echarts-2/build/dist'
}
});
// 使用
require(
[
'echarts',
'echarts/chart/bar', // 使用柱状图就加载bar模块，按需加载
'echarts/chart/line'
],
function (ec) {
// 基于准备好的dom，初始化echarts图表
var myChart = ec.init(document.getElementById('main'));
$.getJSON("data/shanghai.json", function (datajson) {
optionfun(datajson);
});
function optionfun(json){
option = {
title: {
text: '上海市某日空气质量变化',
subtext: '2016-3-17'
},
tooltip: {
trigger: 'axis'
},
legend: {
data: ['AQI','PM2.5','PM10']
},
toolbox: {
show: true,
feature: {
mark: {show: true},
dataView: {show: true, readOnly: false},
magicType: {show: true, type: ['line', 'bar']},
restore: {show: true},
saveAsImage: {show: true}
}
},
calculable: true,
xAxis: [
{
type: 'category',
boundaryGap: false,
data: (function(){
var data=[];
for(var i=0;i<json.length;i++){
if(json[i].position_name==null){
json[i].position_name = 'undefined'
}
data.push(json[i].position_name);
}
return data;
})()
}
],
yAxis: [
{
type: 'value',
axisLabel: {
formatter: '{value} ug/cm3'
}
}
],
series: [
{
name: 'AQI',
type: 'line',
data: (function(){
var data=[];
for(var i=0;i<json.length;i++){
data.push(json[i].aqi);
}
return data;
})(),
markPoint: {
data: [
{type: 'max', name: '最大值'},
{type: 'min', name: '最小值'}
]
},
markLine: {
data: [
{type: 'average', name: '平均值'}
]
}
},
{
name: 'PM2.5',
type: 'line',
data: (function(){
var data=[];
for(var i=0;i<json.length;i++){
data.push(json[i].pm2_5);
}
return data;
})(),
markPoint: {
data: [
{name: '最低', value: 21, xAxis: 1, yAxis: 21}
]
},
markLine: {
data: [
{type: 'average', name: '平均值'}
]
}
},
{
name: 'PM10',
type: 'line',
data: (function(){
var data=[];
for(var i=0;i<json.length;i++){
data.push(json[i].pm10);
console.log(json[i].pm10);
}
return data;
})(),
markPoint: {
data: [
{type: 'max', name: '最大值'},
{type: 'min', name: '最小值'}
]
},
markLine: {
data: [
{type: 'average', name: '平均值'}
]
}
}
]
};
// 为echarts对象加载数据
myChart.setOption(option);
}
}
);
</script>
</body>