var chart = AmCharts.makeChart("chartdiv", {
"theme": "light",
"type": "gauge",
"marginTop": 0,
"marginLeft": 50,
"marginRight": 50,
"marginBottom": -235,
"axes": [{
"radius": "70%",
"topTextFontSize": 20,
"topTextYOffset": 70,
"axisColor": "#31d6ea",
"endValue": 100,
"inside": true,
"tickColor": "#67b7dc",
"startAngle": -90,
"endAngle": 90,
"unit": "%",
"bandOutlineAlpha": 0,
"bands": [{
"color": "#0080ff",
"endValue": 100,
"innerRadius": "100%",
"radius": "175%",
"gradientRatio": [0.5, 0, -0.5],
"startValue": 0
}, {
"color": "#3cd3a3",
"endValue": 0,
"innerRadius": "100%",
"radius": "175%",
"gradientRatio": [0.5, 0, -0.5],
"startValue": 0
}]
}],
"arrows": [{
"alpha": 1,
"innerRadius": "35%",
"nailRadius": 0,
"radius": "110%"
}]
});
setInterval(randomValue, 2000);
// set random value
function randomValue() {
var value = Math.round(Math.random() * 100);
chart.arrows[0].setValue(value);
chart.axes[0].setTopText(value + " %");
// adjust darker band to new value
chart.axes[0].bands[1].setEndValue(value);
}
#chartdiv {
width: 500px;
border: 1px solid #800;
height: 275px;
}
<script src="https://www.amcharts.com/lib/3/amcharts.js"></script>
<script src="https://www.amcharts.com/lib/3/gauge.js"></script>
<div id="chartdiv"></div>
あなたは伝説です:) – Coder