[英]change long labels to multiline(wrap) label in ChartJs
(↑ That is not my question's answer at all!! :( ) (↑ 这根本不是我的问题的答案!! :( )
Hi~ I'm using chartJS for drawing line graphs.嗨~我正在使用chartJS来绘制折线图。
var areaChartData = {
labels: ["2016-02-11_19:59:24", "2016-02-11_20:59:24", "2016-02-12_21:59:24", "2016-02-21_22:59:24", "2016-02-21_23:59:24", "2016-02-22_19:59:24", "2016-02-22_23:59:24", "2016-02-23_23:59:24", "2016-02-24_23:59:24", "2016-02-25_23:59:24"],
datasets: [
{
label: "Elec",
fillColor: "rgba(210, 214, 222, 1)",
strokeColor: "rgba(210, 214, 222, 1)",
pointColor: "rgba(210, 214, 222, 1)",
pointStrokeColor: "#c1c7d1",
pointHighlightFill: "#fff",
pointHighlightStroke: "rgba(220,220,220,1)",
data: [65, 59, 80, 81, 56, 55, 40, 23, 22, 21]
},
{
label: "Goods",
fillColor: "rgba(60,141,188,0.9)",
strokeColor: "rgba(60,141,188,0.8)",
pointColor: "#3b8bba",
pointStrokeColor: "rgba(60,141,188,1)",
pointHighlightFill: "#fff",
pointHighlightStroke: "rgba(60,141,188,1)",
data: [28, 48, 40, 19, 86, 27, 90, 23, 22, 21]
}
]
};
I can't show without angle the label in the graph because labels is too long to display.我无法在没有角度的情况下显示图表中的标签,因为标签太长而无法显示。 I want to change labels to multiline lables in axis labels
我想在轴标签中将标签更改为多行标签
2016-02-11_19:59:24 2016-02-11_19:59:24
to到
2016-02-11 2016-02-11
19:59:24 19:59:24
How can I change the options or Char.js script?如何更改选项或 Char.js 脚本?
http://jsfiddle.net/TZq6q/242/ http://jsfiddle.net/TZq6q/242/
http://jsfiddle.net/zruvru23/1/ http://jsfiddle.net/zruvru23/1/
According to the official sample repo you should put the single lines into another array:根据官方示例存储库,您应该将单行放入另一个数组中:
data: {
labels: [['June', '2015'], 'July', '...', ['January', '2016'], 'February', '...'],
// Rest of config
In this case June 2015
and January 2016
would have a new line for the year, the rest of the labels would not be wrapped.在这种情况下,
June 2015
和January 2016
June 2015
January 2016
将有一个新的生产线,其余的标签不会被包装。
The example is from a line chart, I tested it with a bar chart too, but it should work for all chart types.该示例来自折线图,我也用条形图对其进行了测试,但它应该适用于所有图表类型。
Tested with version 2.7.2 of ChartsJS使用 ChartsJS 2.7.2 版测试
将标签定义更改为:
labels: [["2016-02-11", "19:59:24"], ["2016-02-11","20:59:24"]]
You can change the long label name to an array, chartjs will split each element into a line , this exemple worked for me :您可以将长标签名称更改为数组,chartjs 会将每个元素拆分为一行,这个示例对我有用:
labels: ['DAB', ['Park', 'Assist'], ['Lane', 'Assist'], ['Smartphone', 'Interface'], 'GPS', 'LED']
But, in this case, when you pass the mouse over the chart, the tooltip shown will seperate each line by a comma, in my case ['Park', 'Assist'] will be shown on tooltip as "Park,Assis".但是,在这种情况下,当您将鼠标移到图表上时,显示的工具提示将用逗号分隔每一行,在我的情况下,['Park', 'Assist'] 将在工具提示上显示为“Park,Assis”。 To resolve this problem you have to remove the comma by a space in tooltips callback, like this :
要解决此问题,您必须在工具提示回调中通过空格删除逗号,如下所示:
tooltips: {
enabled: true,
callbacks: {
title: function(tooltipItem, data) {
return data.labels[tooltipItem.index];
},
label: function(tooltipItem, data) {
let dataval = data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
let dslabels = data.labels[tooltipItem.index];
// Remove the comma
dslabels = dslabels.toString().replace(",", " ");
return ' ' + dslabels + ' : ' + dataval + '%';
}
}
},
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