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jsonを使用してハイチャートの折れ線グラフにmysql結果をロードします。以下のコードでは、xAxixは手動フィードです。どうすればmysqlデータベースから動的にフィードできますか？ PHPコードとhtmlコードも見つかります。 おかげハイチャート線グラフのxAxisを動的にフィードする方法
<!DOCTYPE HTML>
<html>
\t <head>
\t \t <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
\t \t <title>Highcharts Example</title>
\t \t
\t </head>
\t <body>
<div id="container" style="min-width: 400px; height: 400px; margin: 0 auto"></div>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
<script src="http://code.highcharts.com/highcharts.js"></script>
<script src="http://code.highcharts.com/modules/exporting.js"></script>
\t \t <script type="text/javascript">
$(function() {
var chart;
$(document).ready(function() {
$.getJSON("data.php", function(json) {
\t
\t \t chart = new Highcharts.Chart({
\t chart: {
\t renderTo: 'container',
\t type: 'line',
\t marginRight: 130,
\t marginBottom: 25
\t },
\t title: {
\t text: 'Revenue vs. Overhead',
\t x: -20 //center
\t },
\t subtitle: {
\t text: '',
\t x: -20
\t },
\t xAxis: {
\t categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
\t },
\t yAxis: {
\t title: {
\t text: 'Amount'
\t },
\t plotLines: [{
\t value: 0,
\t width: 1,
\t color: '#808080'
\t }]
\t },
\t tooltip: {
\t formatter: function() {
\t return '<b>'+ this.series.name +'</b><br/>'+
\t this.x +': '+ this.y;
\t }
\t },
\t legend: {
\t layout: 'vertical',
\t align: 'right',
\t verticalAlign: 'top',
\t x: -10,
\t y: 100,
\t borderWidth: 0
\t },
\t series: json
\t });
\t });
});
});
\t \t </script>
\t </body>
</html><?php
$con = mysqli_connect("localhost","root","","bdd");
if (!$con) {
die('Could not connect: ' . mysqli__connect_error());
}
//mysqli_select_db($con,"bdd");
$query="SELECT revenue FROM projections_sample";
$sth = mysqli_query($con,$query);
$rows = array();
$rows['name'] = 'Revenue';
while($r = mysqli_fetch_array($sth)) {
$rows['data'][] = $r['revenue'];
}
$query2="SELECT overhead FROM projections_sample";
$sth = mysqli_query($con,$query2);
$rows1 = array();
$rows1['name'] = 'Overhead';
while($rr = mysqli_fetch_assoc($sth)) {
$rows1['data'][] = $rr['overhead'];
}
$result = array();
array_push($result,$rows);
array_push($result,$rows1);
print json_encode($result, JSON_NUMERIC_CHECK);
mysqli_free_result($sth);
mysqli_close($con);
?>