[英]Dates on a-axis in Google Charts line chart
這是一個新手問題,但如何在Google Charts折線圖中使用x軸的日期?
當我使用新的日期(...)時,我收到錯誤消息“未捕獲錯誤:不支持日期和日期時間列類型”
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['Datum','Person1','Person2','Person3'],
[new Date(2012, 12, 19, 0, 0, 0),'5072.0537223002','5072.0537223002','5074.2809630567'],
[new Date(2012, 12, 20, 0, 0, 0),'5072.0537223002','5072.0537223002','5074.2809630567'],
]);
var options = {};
var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
(在x軸上使用字符串均勻的空格是可以接受的,但是當我嘗試使用字符串時“軸#0的數據列不能是字符串類型”)
如何將日期轉換為字符串,只使用Date
而不是new
如下所示:
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['Datum','Person1','Person2','Person3'],
[Date(2012, 12, 19, 0, 0, 0).toString(),'5072.0537223002','5072.0537223002','5074.2809630567'],
[Date(2012, 12, 20, 0, 0, 0).toString(),'5072.0537223002','5072.0537223002','5074.2809630567'],
]);
var options = {};
var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
編輯:您可以在此鏈接中關注他們的示例:
https://google-developers.appspot.com/chart/interactive/docs/customizing_axes
編輯2:
這就是我能做的: http : //jsfiddle.net/ANC9H/2/
google.load("visualization", "1", {packages:["LineChart"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = new google.visualization.DataTable();
data.addColumn('date', 'Date');
data.addColumn('number', 'persone1');
data.addColumn('number', 'persone2');
data.addColumn('number', 'persone3');
data.addRows([
[new Date(2008, 1 ,1),0.7,0.8,0.6],
[new Date(2008, 1 ,7),0.5,0.55,0.9] ]);
var options = {};
var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
我希望這有幫助。
那是因為你正在使用arrayToDataTable()。 如果您使用DataTable(),則錯誤消息將消失。 請參閱此文章: 日期軸不起作用的柱形圖
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