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index.html
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index.html
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
<title>farm</title>
<!-- Bootstrap -->
<link href="./css/bootstrap.min.css" rel="stylesheet">
<script src="echarts.min.js"></script>
<script src="jquery.js"></script>
</head>
<body>
<nav class="navbar navbar-inverse">
<div class="container">
<div class="navbar-header">
<a class="navbar-brand" href="#">智能农场</a>
</div>
<div id="navbar" class="collapse navbar-collapse">
</div><!--/.nav-collapse -->
</div>
</nav>
<div class="container-fluid">
<center>
<div class="row">
<div class="col-md-4" id="temperature" style="width: 400px;height:400px;"></div>
<div class="col-md-4" id="humidity" style="width: 400px;height:400px;"></div>
<div class="col-md-4" id="light" style="width: 400px;height:400px;"></div>
</div>
<div class="row">
<div class="col-md-4" >
<p class="text-center" id="temperatureText"></p>
</div>
<div class="col-md-4" >
<p class="text-center" id="humidityText"></p>
</div>
<div class="col-md-4" >
<p class="text-center" id="lightText"></p>
</div>
</div>
</div>
<script type="text/javascript">
// 基于准备好的dom，初始化echarts实例
var myChartTemperature = echarts.init(document.getElementById('temperature'));
var myChartHumidity = echarts.init(document.getElementById('humidity'));
var myChartLight = echarts.init(document.getElementById('light'));
// 显示标题，图例和空的坐标轴
myChartTemperature.setOption({
title: {
text: '温度异步加载'
},
tooltip: {},
legend: {
data:['温度']
},
xAxis: {
data: []
},
yAxis: {
min: 25,
max: 35
},
series: [{
smooth: true,
areaStyle: {},
name: '温度',
type: 'line',
data: [],
}]
});
myChartHumidity.setOption({
title: {
text: '湿度异步加载'
},
tooltip: {},
legend: {
data:['湿度']
},
xAxis: {
data: []
},
yAxis: {
min: 45,
max: 60
},
series: [{
smooth: true,
name: '湿度',
type: 'line',
data: []
}]
});
myChartLight.setOption({
title: {
text: '光强异步加载'
},
tooltip: {},
legend: {
data:['光强']
},
xAxis: {
data: []
},
yAxis: {
min: 320,
max: 380
},
series: [{
name: '光强',
type: 'line',
data: []
}]
});
var temperatures = [];
var humiditys = [];
var lights = [];
var date = [];
var now = new Date();
// 异步加载数据
function timer() {
now = [now.getHours(),now.getMinutes(),now.getSeconds()].join(':');
date.push(now);
$.get('thInfo.json').done(function (jsondata) {
temperatures.push(jsondata.temperature)
humiditys.push(jsondata.humidity)
lights.push(jsondata.light)
document.getElementById("temperatureText").innerHTML="当前温度："+jsondata.temperature;
document.getElementById("humidityText").innerHTML="当前湿度："+jsondata.humidity;
document.getElementById("lightText").innerHTML="当前光强："+jsondata.light;
// 填入数据
myChartTemperature.setOption({
xAxis: {
data: date
},
series: [{
// 根据名字对应到相应的系列
name: '温度',
data: temperatures
}]
});
myChartHumidity.setOption({
xAxis: {
data: date
},
series: [{
// 根据名字对应到相应的系列
name: '湿度',
data: humiditys
}]
});
myChartLight.setOption({
xAxis: {
data: date
},
series: [{
// 根据名字对应到相应的系列
name: '光强',
data: lights
}]
});
});
now = new Date();
}
setInterval(timer,5000)
</script>
<script src="jquery.js"></script>
<script src="./js/bootstrap.min.js"></script>
</body>
</html>