问题描述
- 怎么改下面代码,能读出数据库中的数据并实时显示?
-
数据是时间对应温度,代码是Jquery的一个example。
菜鸟一只,先谢过大神。<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Highcharts Example</title> <!-- 1. Add these JavaScript inclusions in the head of your page --> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script type="text/javascript" src="../js/highcharts.js"></script> <!-- 1a) Optional: the exporting module --> <script type="text/javascript" src="../js/modules/exporting.js"></script> <!-- 2. Add the JavaScript to initialize the chart on document ready --> <script type="text/javascript"> var chart; $(document).ready(function() { chart = new Highcharts.Chart({ chart: { renderTo: 'container', defaultSeriesType: 'spline', marginRight: 10, events: { load: function() { // set up the updating of the chart each second var series = this.series[0]; setInterval(function() { var x = (new Date()).getTime(), // current time y = Math.random(); series.addPoint([x, y], true, true); }, 1000); } } }, title: { text: 'Live random data', style: { margin: '10px 100px 0 0' // center it } }, xAxis: { type: 'datetime', tickPixelInterval: 150 }, yAxis: { title: { text: 'Value' }, plotLines: [{ value: 0, width: 1, color: '#808080' }] }, tooltip: { formatter: function() { return '<b>'+ this.series.name +'</b><br/>'+ Highcharts.dateFormat('%Y-%m-%d %H:%M:%S', this.x) +'<br/>'+ Highcharts.numberFormat(this.y, 2); } }, legend: { enabled: false }, exporting: { enabled: false }, series: [{ name: 'Random data', data: (function() { // generate an array of random data var data = [], time = (new Date()).getTime(), i; for (i = -19; i <= 0; i++) { data.push({ x: time + i * 1000, y: Math.random() }); } return data; })() }] }); }); </script> </head> <body> <!-- 3. Add the container --> <div id="container" style="width: 800px; height: 400px; margin: 0 auto"></div> </body> </html>
时间: 2024-11-10 05:18:46