line_charts.html 1.7 KB
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Awesome-pyecharts</title>
    <script src="https://cdn.bootcss.com/jquery/3.0.0/jquery.min.js"></script>
    <script type="text/javascript" src="https://assets.pyecharts.org/assets/echarts.min.js"></script>

</head>
<body>
    <div id="bar" style="width:1000px; height:600px;"></div>
    <script>
        var chart = echarts.init(document.getElementById('bar'), 'white', {renderer: 'canvas'});
        //var old_data = [];
        var s_url = "{{  s_url }}";
        $(
            function () {
                fetchData(chart);
                setInterval(getDynamicData, 2000);
            }
        );

        function fetchData() {
            $.ajax({
                type: "GET",
                url: s_url + "/lineChart",
                dataType: "json",
                success: function (result) {
                    chart.setOption(result);
                    //old_data = chart.getOption().series[0].data;
                    //alert(old_data)
                }
            });
        }

        function getDynamicData() {
            $.ajax({
                type: "GET",
                url: s_url + "/lineDynamicData",
                dataType: "json",
                success: function (result) {
                    chart.setOption(result);
                    //old_data.push([result.name, result.value]);
                    //if (old_data.length > 20)
                    //alert(old_data);
                    //old_data.shift();
                    //alert(old_data);
                    //chart.setOption({
                    //    series: [{data: old_data}]
                    //});
                }
            });
        }

    </script>
</body>
</html>