这是在jsp中生成图形的代码。但是代码会失败。实际上我使用highchart开发图形,但显示错误..
<%@ page contentType="text/html; charset=iso-8859-1" language="java" import="java.sql.*" errorPage="" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
<script src="http://code.highcharts.com/highcharts.js"></script>
<script src="http://code.highcharts.com/modules/exporting.js"></script>
<script>
$(document).ready(function() {
var line2=$.parseJSON(document.getElementById("test").value);
var mydata = [[]];
var mydata1 = [[]];
for(var i=0; i<line2.length; i++)
{
//mydata[0].push([line2[i].time,line2[i].valueint]);
mydata[0].push([line2[i].time]);
mydata1[0].push([line2[i].valueint]);
}
alert(mydata);
alert(mydata1);
$('#container').highcharts({
title: {
text: 'Monthly Average Temperature',
x: -20 //center
},
subtitle: {
text: 'Source: WorldClimate.com',
x: -20
},
xAxis: {
categories: mydata
},
yAxis: {
title: {
text: 'Temperature (°C)'
},
plotLines: [{
value: 0,
width: 1,
color: '#808080'
}]
},
tooltip: {
valueSuffix: '°C'
},
legend: {
layout: 'vertical',
align: 'right',
verticalAlign: 'middle',
borderWidth: 0
},
series: [{
name: 'Temp',
data: mydata1
}]
});
});
</script>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title>
</head>
<body>
<input type="hidden" id ="test" value='[{"time":"2013-07-02 18:33:52","valueint":25.000},{"time":"2013-07-02 18:34:22","valueint":27.000},{"time":"2013-07-02 18:34:52","valueint":25.000}]'>
<div id="container" style="min-width: 400px; height: 400px; margin: 0 auto"></div>
</body>
</html>
实际上这是我的代码..但不是根据时间与温度生成图表..警报已生成但不在图表中,请更新此代码。