对于 javascript 和 html 来说还是个新手，我已经成功构建了一个简单的计算器，它也可以绘制一些输出的图表。为此，我使用下面的 Chartjs 模板。我希望能够更改 y 轴、标题和图例的字体，因为它在创建时看起来确实“不稳定”，但是，我不知道在哪里可以找到/定义适当的参数以及什么他们将是。另外，如果图表标题太长，我该如何将其换行到第二行？我可以在脚本中指定这些项目吗？还是必须操作 dx.chartjs 文件？如果是，我需要在哪里进行更改？
非常感谢您的帮助
<html>
<head>
<title> Savings </title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<script src="js/jquery-1.10.2.min.js"></script>
<script src="js/knockout-3.0.0.js"></script>
<script src="js/globalize.min.js"></script>
<script src="js/dx.chartjs.js"></script>
</head>
<script language="javascript">
function btnCalculateTotal_Click()
{
houses = 0;
cars = 0;
houses = Number(frmSimpleCalculator.txtValue1.value);
cars = Number(frmSimpleCalculator.txtValue2.value);
sngTotal = houses + cars
frmSimpleCalculator.txtTotal.value = sngTotal;
test = 200
var dataSource = [{ savings: "", Houses: sngTotal, Cars: 300 },];
$("#chartContainer").dxChart({
dataSource: dataSource,
commonSeriesSettings: {
argumentField: "savings",
type: "bar",
hoverMode: "allArgumentPoints",
selectionMode: "allArgumentPoints",
label: {
visible: true,
format: "fixedPoint",
precision: 0
}
},
series: [
{ valueField: "Houses", name: "Houses" },
{ valueField: "Cars", name: "Cars" }
],
title: "Savings potential",
legend: {
verticalAlignment: "bottom",
horizontalAlignment: "center"
},
pointClick: function (point) {
this.select();
}
});
}
</script>
<body bgcolor="#aaaaaa">
<table style="background-color:black; color:white; width:800">
<tr>
<td>
<strong>calculator</strong>
</td>
</tr>
</table>
<form name="frmSimpleCalculator" action="" method="get">
<fieldset name="fraSimpleCalculator" style="width:1">
<legend>Economic Savings Calculator</legend>
<table width="300" border="0">
<!-- Value 1 -->
<tr>
<td align="left">
Houses:
</td>
<td align="right">
<input type="text" value="50000" name="txtValue1" size="10" maxlength="10" style="text-align:right">
</td>
</tr>
<!-- Value 2 -->
<tr>
<td align="left">
Cars:
</td>
<td align="right">
<input type="text" value="25" name="txtValue2" size="10" maxlength="10" style="text-align:right">
</td>
</tr>
<!-- Horizontal rule -->
<tr>
<td align="center" colspan="2">
<hr />
</td>
</tr>
<!-- Total -->
<tr>
<td align="left">
Total:
</td>
<td align="right">
<input type="text" value="0" name="txtTotal" size="10" maxlength="5" style="text-align:right">
</td>
</tr>
<!-- Calculate Button -->
<tr>
<td align="center" colspan="2">
<input type="button" value="Calculate Total" name="btnCalculateTotal" style="width:150" OnClick="btnCalculateTotal_Click();">
</td>
</tr>
<!-- Calculate Chart Button -->
<tr>
<td align="center" colspan="2">
<input type="button" value="Update Chart" name="btnCalculateChart" style="width:150" OnClick="Thomas();">
</td>
</tr>
<div class="content">
<div class="pane">
<div class="long-title"><h3></h3></div>
<div id="chartContainer" style="width: 250px; height: 440px;" style="position:absolute; TOP:200px; LEFT:350px"></div>
</div>
</div>
</body>
</html>
最佳答案
1) 您可以通过相应选项元素的“font”属性设置标题、图例和坐标轴的字体选项
legend: {
font: {
color: 'black',
family: 'Zapf-Chancery, cursive',
opacity: 1,
weight: 700
}
}
您可以在 ChartJS documentation 中找到更多示例.
2) 您可以使用 HTML 标签 br 将标题换行到第二行
title: "This is my<br/>long title"
关于javascript - 如何更改 ChartJS 模板上的轴、标题、图例格式，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/20567420/