我正在尝试使用 SQLite3 数据库中的数据制作 Highcharts 折线图。不幸的是,图表不会加载。tempdata.php 的输出为:[[1,12.8],[2,12.9],[3,12.8],[4,12.4]...等
如何让图表加载这些数据?
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Highcharts Example</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$.getJSON("tempdata.php", function(json) {
chart = new Highcharts.Chart({
chart: {
renderTo: 'container',
type: 'line',
marginRight: 130,
marginBottom: 25
},
title: {
text: 'Temperature',
x: -20 //center
},
subtitle: {
text: '',
x: -20
},
xAxis: {
title: {
text: 'Id'
},
yAxis: {
title: {
text: 'Temperature'
},
plotLines: [{
value: 0,
width: 1,
color: '#808080'
}]
},
tooltip: {
formatter: function() {
return '<b>'+ this.series.name +'</b><br/>'+
this.x +': '+ this.y;
}
},
legend: {
layout: 'vertical',
align: 'right',
verticalAlign: 'top',
x: -10,
y: 100,
borderWidth: 0
},
series: json
});
});
});
});
</script>
</head>
<body>
<script src="js/highcharts.js"></script>
<script src="js/modules/exporting.js"></script>
<div id="container" style="min-width: 400px; height: 400px; margin: 0 auto"></div>
</body>
</html>