javascript - 用于更改谷歌图表上显示 x 轴范围的按钮
问题描述
我有一个谷歌面积图,它绘制了一些数据,大约 5 年的每日数据。用户可以放大和缩小,这一切都很好。
我想在图表旁边有一个按钮,他们可以点击查看过去几年的数据。但是,我不确定如何更改 Google 图表上的 x 轴范围?
解决方案
你可以使用轴选项viewWindow
其中具有min
&的属性max
,
这些属性应与它们应用的轴的数据类型相匹配
请参阅以下工作片段,
x 轴是日期,因此我们可以设置要在图表上显示的最小和最大日期...
google.charts.load('current', {
packages: ['controls', 'corechart']
}).then(function () {
var data = new google.visualization.DataTable();
data.addColumn('date', 'Date');
data.addColumn('number', 'Positive');
data.addColumn('number', 'Negative');
data.addRows([
[new Date(2017, 1, 20), 10, null],
[new Date(2017, 2, 21), 5, null],
[new Date(2017, 3, 22), 0, 0],
[new Date(2017, 4, 23), null, -5],
[new Date(2017, 5, 24), null, -10],
[new Date(2017, 6, 25), null, -5],
[new Date(2017, 7, 26), 0, 0],
[new Date(2017, 8, 27), 10, null],
[new Date(2017, 9, 28), 5, null],
[new Date(2017, 11, 29), 0, 0],
[new Date(2018, 0, 20), 00, null],
[new Date(2018, 0, 21), 5, null],
[new Date(2018, 0, 22), 0, 0],
[new Date(2018, 0, 23), null, -5],
[new Date(2018, 0, 24), null, -10],
[new Date(2018, 0, 25), null, -5],
[new Date(2018, 0, 26), 0, 0],
[new Date(2018, 0, 27), 00, null],
[new Date(2018, 0, 28), 5, null],
[new Date(2018, 0, 29), 0, 0],
[new Date(2018, 1, 20), 10, null],
[new Date(2018, 1, 21), 5, null],
[new Date(2018, 1, 22), 0, 0],
[new Date(2018, 1, 23), null, -5],
[new Date(2018, 1, 24), null, -10],
[new Date(2018, 1, 25), null, -5],
[new Date(2018, 1, 26), 0, 0],
[new Date(2018, 1, 27), 10, null],
[new Date(2018, 1, 28), 5, null],
[new Date(2018, 1, 29), 0, 0],
[new Date(2018, 2, 20), 10, null],
[new Date(2018, 2, 21), 5, null],
[new Date(2018, 2, 22), 0, 0],
[new Date(2018, 2, 23), null, -5],
[new Date(2018, 2, 24), null, -10],
[new Date(2018, 2, 25), null, -5],
[new Date(2018, 2, 26), 0, 0],
[new Date(2018, 2, 27), 10, null],
[new Date(2018, 2, 28), 5, null],
[new Date(2018, 2, 29), 0, 0],
[new Date(2018, 3, 20), 10, null],
[new Date(2018, 3, 21), 5, null],
[new Date(2018, 3, 22), 0, 0],
[new Date(2018, 3, 23), null, -5],
[new Date(2018, 3, 24), null, -10],
[new Date(2018, 3, 25), null, -5],
[new Date(2018, 3, 26), 0, 0],
[new Date(2018, 3, 27), 10, null],
[new Date(2018, 3, 28), 5, null],
[new Date(2018, 3, 29), 0, 0],
[new Date(2018, 4, 20), 10, null],
[new Date(2018, 4, 21), 5, null],
[new Date(2018, 4, 22), 0, 0],
[new Date(2018, 4, 23), null, -5],
[new Date(2018, 4, 24), null, -10],
[new Date(2018, 4, 25), null, -5],
[new Date(2018, 4, 26), 0, 0],
[new Date(2018, 4, 27), 10, null],
[new Date(2018, 4, 28), 5, null],
[new Date(2018, 4, 29), 0, 0],
[new Date(2018, 5, 20), 10, null],
[new Date(2018, 5, 21), 5, null],
[new Date(2018, 5, 22), 0, 0],
[new Date(2018, 5, 23), null, -5],
[new Date(2018, 5, 24), null, -10],
[new Date(2018, 5, 25), null, -5],
[new Date(2018, 5, 26), 0, 0],
[new Date(2018, 5, 27), 10, null],
[new Date(2018, 5, 28), 5, null],
[new Date(2018, 5, 29), 0, 0],
[new Date(2018, 6, 20), 10, null],
[new Date(2018, 6, 21), 5, null],
[new Date(2018, 6, 22), 0, 0],
[new Date(2018, 6, 23), null, -5],
[new Date(2018, 6, 24), null, -10],
[new Date(2018, 6, 25), null, -5],
[new Date(2018, 6, 26), 0, 0],
[new Date(2018, 6, 27), 10, null],
[new Date(2018, 6, 28), 5, null],
[new Date(2018, 6, 29), 0, 0],
[new Date(2018, 9, 20), 10, null],
[new Date(2018, 9, 21), 5, null],
[new Date(2018, 9, 22), 0, 0],
[new Date(2018, 9, 23), null, -5],
[new Date(2018, 9, 24), null, -10],
[new Date(2018, 9, 25), null, -5],
[new Date(2018, 9, 26), 0, 0],
[new Date(2018, 9, 27), 10, null],
[new Date(2018, 9, 28), 5, null],
[new Date(2018, 9, 29), 0, 0],
[new Date(2018, 11, 20), 10, null],
[new Date(2018, 11, 21), 5, null],
[new Date(2018, 11, 22), 0, 0],
[new Date(2018, 11, 23), null, -5],
[new Date(2018, 11, 24), null, -10],
[new Date(2018, 11, 25), null, -5],
[new Date(2018, 11, 26), 0, 0],
[new Date(2018, 11, 27), 10, null],
[new Date(2018, 11, 28), 5, null],
[new Date(2018, 11, 29), 0, 0],
]);
var chart = new google.visualization.ChartWrapper({
chartType: 'AreaChart',
containerId: 'chart-area',
dataTable: data,
options: {
height: 280,
legend: {
alignment: 'end',
position: 'top'
},
animation: {
duration: 500,
easing: 'in',
startup: true
},
chartArea: {
height: '100%',
width: '100%',
top: 36,
left: 36,
right: 18,
bottom: 36
}
}
});
var chartDateRange = data.getColumnRange(0);
var oneYear = (365.25 * 24 * 60 * 60 * 1000);
$('#range-buttons button').on('click', function (sender) {
var hAxis;
var visibleRange = parseInt($(sender.target).data('range'));
if (isNaN(visibleRange)) {
hAxis = null;
} else {
hAxis = {
viewWindow: {
min: new Date(chartDateRange.max.getTime() - oneYear),
max: chartDateRange.max
}
};
}
chart.setOption('hAxis', hAxis);
chart.draw();
});
chart.draw();
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://www.gstatic.com/charts/loader.js"></script>
<div id="dashboard">
<div id="range-buttons">
<span>Zoom: </span>
<button class="ui-button ui-widget ui-corner-all" data-range="31104000000">Last Year</button>
<button class="ui-button ui-widget ui-corner-all">All</button>
</div>
<div id="chart-area"></div>
<div id="filter-range"></div>
</div>
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