javascript Highcharts 日期时间轴,如何禁用时间部分(仅显示日期)?
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Highcharts datetime axis, how to disable time part (show only dates)?
提问by gremo
My chart is displaying data day-by-day(user and system sent SMS/Newsletters). So time part is not relevant and unnecessary. Here is an example: http://jsfiddle.net/uaxZP/1/where time "12:00" is displayed.
我的图表每天都在显示数据(用户和系统发送的短信/通讯)。所以时间部分是不相关和不必要的。这是一个示例:http: //jsfiddle.net/uaxZP/1/,其中显示时间“12:00”。
How can I force Highcharts to never display the time part in a "datetime" axis?
如何强制 Highcharts从不在“日期时间”轴中显示时间部分?
EDIT: Highcharts will display dates w/wo times based on chart or screen size. I've updated jsfiddle removing some data and now it's displaying also time parts.
编辑:Highcharts 将根据图表或屏幕大小显示日期 w/wo 时间。我已经更新了 jsfiddle 删除了一些数据,现在它也显示了时间部分。
采纳答案by Mike Robinson
You can intercept the x-axis label function and change it's output. In my example, I've changed it to render short dates:
您可以截取 x 轴标签函数并更改其输出。在我的示例中,我已将其更改为呈现短日期:
{ xAxis:
labels:
formatter: function() {
return Highcharts.dateFormat("%b %e", this.value);
}
}
}
The xAxis.labels.formatter property allows control over this. You also may notice I'm using Highcharts.dateFormat, which is a utility function for rendering dates. This is not mandatory, but it's a nice built in feature. Documentation on the xAxis formatter is here:
xAxis.labels.formatter 属性允许对此进行控制。您可能还会注意到我使用的是 Highcharts.dateFormat,它是一个用于呈现日期的实用函数。这不是强制性的,但它是一个很好的内置功能。xAxis 格式化程序的文档在这里:
回答by Daniel Garcia
The easiest way to do is using "minTickInterval"
最简单的方法是使用“minTickInterval”
xAxis: {
minTickInterval: 24 * 3600 * 1000
}