2016-04-14 03:33
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I am new to highcharts. I can get the title to show up, but for some reason the x and y axis data won't come up. I am getting my data from a database with php, along with encoding it with JSON. Here is my HTML:

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <script src=""></script>
    <script type="text/javascript" src=""></script>
    <script type="text/javascript">

        $(document).ready(function() {

            var options = {
                chart: {
                    renderTo: 'container',
                    type: 'bar'
                title: {
                    text: 'TCP Upload Speed Averages for Los Angeles County in 2012',
                    x: -20 //center
                subtitle: {
                    text: '',
                    x: -20
                xAxis: {
                    categories: []
                yAxis: {
                    title: {
                        text: 'TCP Upload Averages'
                    labels: {
                    overflow: 'justify'
               legend: {
                layout: 'vertical',
                align: 'right',
                verticalAlign: 'top',
                x: -10,
                y: 100,
                borderWidth: 0

               plotOptions: {
                bar: {
                    dataLabels: {
                        enabled: true
                series: {


                series: []
            $.getJSON("2012Data.php", function(json) {

                options.xAxis.categories = json[0]['data'];//xAxis: {categories: []}

                options.series[0] = json[1];

                //chart = new Highcharts.Chart(options);
            chart = new Highcharts.Chart(options);

    <script src="highstock.js" ></script>
    <script src=""></script>

    <div id="container" style="width: 600px; height: 400px; margin: 0 auto"></div>

Here is my JSON data from the php:


Thanks for the help!

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1条回答 默认 最新

  • dtkz3186 2016-04-14 08:02

    Your chart displays only the title because no data is loaded. And although your AJAX-call might be working: setting the options in its callback is too late, since the callback will most likely be invoked only after the chart has been created.

    Does it work for you if you uncomment the line //chart = new Highcharts.Chart(options); in the getJSON callback (and of course remove the other Highcharts constructor call two lines down)?

    However, the more idiomatic way to load data is to create a callback for the load-Event of the chart, fire your AJAX-Request and then insert the data in the already created chart. I have created a JSFiddle for you where i simulate the call to your php-script via a timeout. You should get your chart working by using the following load-callback:

    chart: {
      events: {
        load: function(event) {
          var chart =;
          $.getJSON("2012Data.php", function(json) {
            var xAxis = chart.xAxis[0];
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