Witam sory za odkopanie ale mam podobny problem.
Tak u mnie wygląda plik odpowiedzialny za pobieranie danych z bazy danych mysql
dane.php
<?php
"htime" => date("d.m.Y H:i", $row['htime']), "htemperature" => $row[ 'htemperature' ]
);
}
echo json_encode
( $rows );
A tak wygląda plik wyświetlający wykres
<!-- Styles -->
<style>
#chartdiv {
width : 100%;
height : 500px;
}
</style>
<!-- Resources -->
<script src="https://www.amcharts.com/lib/3/amcharts.js"></script>
<script src="https://www.amcharts.com/lib/3/serial.js"></script>
<script src="https://www.amcharts.com/lib/3/plugins/export/export.min.js"></script>
<link rel="stylesheet" href="https://www.amcharts.com/lib/3/plugins/export/export.css" type="text/css" media="all" />
<script src="https://www.amcharts.com/lib/3/themes/light.js"></script>
<!-- Chart code -->
<script>
var chartData = ('http://brzanek.webd.pl/charts2/dane.php');
var chart = AmCharts.makeChart("chartdiv", {
"type": "serial",
"theme": "light",
"marginRight": 40,
"marginLeft": 40,
"autoMarginOffset": 20,
"mouseWheelZoomEnabled":true,
"dataDateFormat": "YYYY-MM-DD JJ:NN",
"valueAxes": [{
"id": "v1",
"axisAlpha": 0,
"position": "left",
"ignoreAxisWidth":true
}],
"balloon": {
"borderThickness": 1,
"shadowAlpha": 0
},
"graphs": [{
"id": "g1",
"balloon":{
"drop":true,
"adjustBorderColor":false,
"color":"#ffffff"
},
"bullet": "round",
"bulletBorderAlpha": 1,
"bulletColor": "#FFFFFF",
"bulletSize": 5,
"hideBulletsCount": 50,
"lineThickness": 2,
"title": "red line",
"useLineColorForBulletBorder": true,
"valueField": "htemperature",
"balloonText": "<span style='font-size:18px;'>[[htemperature]]</span>"
}],
"chartScrollbar": {
"graph": "g1",
"oppositeAxis":false,
"offset":30,
"scrollbarHeight": 80,
"backgroundAlpha": 0,
"selectedBackgroundAlpha": 0.1,
"selectedBackgroundColor": "#888888",
"graphFillAlpha": 0,
"graphLineAlpha": 0.5,
"selectedGraphFillAlpha": 0,
"selectedGraphLineAlpha": 1,
"autoGridCount":true,
"color":"#AAAAAA"
},
"chartCursor": {
"pan": true,
"valueLineEnabled": true,
"valueLineBalloonEnabled": true,
"cursorAlpha":1,
"cursorColor":"#258cbb",
"limitToGraph":"g1",
"valueLineAlpha":0.2,
"valueZoomable":true
},
"valueScrollbar":{
"oppositeAxis":false,
"offset":50,
"scrollbarHeight":10
},
"categoryField": "htime",
"categoryAxis": {
"parseDates": true,
"dashLength": 1,
"minorGridEnabled": true
},
"export": {
"enabled": true
},
"dataProvider": chartData,
});
chart.addListener("rendered", zoomChart);
zoomChart();
function zoomChart() {
chart.zoomToIndexes(chart.dataProvider.length - 10, chart.dataProvider.length - 1);
}
</script>
<!-- HTML -->
<div id="chartdiv"></div>
Problem w tym, że nic nie pojawia się na wykresie. Kto podpowie dlaczego tak się dzieje.