Adi*_*yaj 21
从 2.8 版开始,您可以简单地将precision滴答对象的属性添加为:
yAxes: [
{
ticks: {
precision: 0,
},
},
],
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Ale*_*nik 20
这是使用chart.js 2.5的方法:只需将此回调函数添加到yAxes ticks属性即可
function(value){if(Number.isInteger(value)){返回值; }}
或者只是在同一个地方使用stepSize:1.
jsFiddle:https://jsfiddle.net/alelase/6f8wrz03/2/
var ctx = document.getElementById("chart1");
var data = {
labels: ['John', 'Alex', 'Walter', 'James', 'Andrew', 'July'],
datasets: [
{
label: "Messages: ",
data: [1, 2 , 5, 4, 3, 6],
backgroundColor: [
'rgba(255, 99, 132, 0.2)',
'rgba(54, 162, 235, 0.2)',
'rgba(255, 206, 86, 0.2)',
'rgba(75, 192, 192, 0.2)',
'rgba(153, 102, 255, 0.2)',
'rgba(255, 159, 64, 0.2)'
],
borderColor: [
'rgba(255,99,132,1)',
'rgba(54, 162, 235, 1)',
'rgba(255, 206, 86, 1)',
'rgba(75, 192, 192, 1)',
'rgba(153, 102, 255, 1)',
'rgba(255, 159, 64, 1)'
]
}]
};
var myChart = new Chart(ctx, {
type: 'bar',
data: data,
beginAtZero: true,
options: {
responsive: true,
legend: {
display: false
},
title: {
display: false,
text: 'Chart.js bar Chart'
},
animation: {
animateScale: true
},
scales: {
yAxes: [{
ticks: {
beginAtZero: true,
callback: function (value) { if (Number.isInteger(value)) { return value; } },
stepSize: 1
}
}]
}
}
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<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.5.0/Chart.min.js"></script>
<div>
<canvas id="chart1"></canvas>
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小智 6
var max= 100 //heighest value of your data
var step = 5;// According to your requirement
new Chart(ctx).Bar(plotData, {
scaleOverride: true,
scaleSteps: step,
scaleStepWidth: Math.ceil(max / step),
scaleStartValue: 0
});
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像我这样的人的快速回答:
ticks: {
beginAtZero: true,
callback: function(value) {if (value % 1 === 0) {return value;}}
}
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从您的示例页面:http://qlu.in/0o3CTx/stats/
改变:
var myNewChart = new Chart(ctx).Bar(data,{});
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到:
var myNewChart = new Chart(ctx).Bar(data,{
scaleOverride: true,
scaleStepWidth: 1,
scaleSteps: 10
});
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这些选项可以在这里找到:http ://www.chartjs.org/docs/#lineChart-chartOptions
您必须指定所有三个参数:scaleOverride、scaleStepWidth和scaleSteps
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