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我有一個列表的unix時間戳列表的值。像這樣:在谷歌圖表中創建數據表時類型不匹配
stream = [[1485936060000, 268623], [1485936180000, 268624], [1485936300000, 268626]]
我想創建一個線性谷歌圖表,其中的unix時間戳將作爲實際日期可見。我嘗試遍歷流數組並將它們全部轉換爲Date對象,但它並不真正起作用。它拋出該異常:
Uncaught Error: Type mismatch. Value Wed Feb 01 2017 09:01:00 GMT+0100 (Romance Standard Time) does not match type number in column index 0
貝婁是函數的全碼:
google.charts.load('current', {'packages':['line']});
google.charts.setOnLoadCallback(drawChart);
var stream = {{ stream }}
var maximum = {{ maximum }}
var minimum = {{ minimum }}
var unit = {{ unitlabel }}
function drawChart() {
var data = new google.visualization.DataTable(stream);
data.addColumn('number', 'Timestamp');
data.addColumn('number', 'Actual value');
for (var i = 0; i < stream.length; i++) {
var d = new Date(+stream[i][0]);
stream[i][0] = d;
}
data.addRows(stream);
var options = {
width: 1500,
height: 500,
isStacked: false,
axes: {
y: {
all: {
kWh: {label: 'kWh'},
format: { pattern: 'decimal'},
range: {
max: maximum,
min: minimum
}
},
}
},
};
var chart = new google.charts.Line(document.getElementById('curve_chart'));
chart.draw(data, options);
}
幫助?
更改列數據類型 data.addColumn('datetime','Timestamp'); – karthick