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我正在嘗試用燭臺和趨勢線創建一個combochart。Google Charts Combochart與燭臺
<html>
<head>
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript">
google.charts.load('current', {'packages':['corechart']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
[Date(2016, 2, 14, 8, 0), 20, 28, 38, 45],
[Date(2016, 2, 14, 8, 1), 31, 38, 55, 66],
[Date(2016, 2, 14, 8, 2), 50, 55, 77, 80],
[Date(2016, 2, 14, 8, 3), 77, 77, 66, 66]
], true);
var options = {
legend: 'none',
bar: { groupWidth: '90%' },
candlestick: {
fallingColor: { strokeWidth: 0, fill: '#a52714' }, // red
risingColor: { strokeWidth: 0, fill: '#0f9d58' } // green
},
seriesType: 'candlesticks',
series: {5: {type: 'line'}}
};
var chart = new google.visualization.ComboChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>
</head>
<body>
<div id="chart_div"></div>
</body>
</html>
這就形成了一個陰陽燭圖,但是當我添加數據的趨勢線,我得到錯誤信息「最後域沒有足夠的數據列(失蹤3)。」
[Date(2016, 2, 14, 8, 0), 20, 28, 38, 45, 25],
[Date(2016, 2, 14, 8, 1), 31, 38, 55, 66, 30],
[Date(2016, 2, 14, 8, 2), 50, 55, 77, 80, 35],
[Date(2016, 2, 14, 8, 3), 77, 77, 66, 66, 40]