[英]Chart.js not to be begin in Y-Axis
这就是代码现在的样子 使用 Chart.js 的第一个图像预览。
请给我一些关于我的数据图表如何不从 Y 轴开始的见解。
var ctx = document.getElementById('myChart').getContext('2d'); var myChart = new Chart(ctx, { type: 'line', data: { labels: [<?php echo trim($labels);?>], datasets: [{ label: 'Weekly Revenue', data: [ 0, 100, 3000, 4000, 5000, 6000, 7000, 8000,9000,10000,], fill: false, 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(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(75, 192, 192, 1)', 'rgba(153, 102, 255, 1)', 'rgba(255, 159, 64, 1)' ], borderWidth: 3 }, ] }, options: { scales: { yAxes: [{ ticks: { beginAtZero: true, callback: function(value, index, values) { return value.toLocaleString("en-PH",{style:"currency", currency:"PHP"}); } } }] } } });
<div class="chart-container" style="min-width: 210px; height: 400px; margin: 0 auto"> <canvas id="myChart"></canvas> </div>
瞄准:数据不是从 Y 轴开始的。
在 Y 轴和第一个点之间产生边距的最简单方法是在labels
中添加一个空字符串间隔,在data
中添加一个 null 值:
{
type: 'line',
data: {
labels: ['', '2020-12-27','2020-12-28','2020-12-29','2020-12-31','2020-12-31','2020-01-01','2020-01-02','2020-01-03','2020-01-04','2020-01-05'],
datasets: [{
label: 'Weekly Revenue',
data: [ null, 0, 100, 3000, 4000, 5000, 6000, 7000, 8000,9000,10000,],
fill: false,
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(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(75, 192, 192, 1)',
'rgba(153, 102, 255, 1)',
'rgba(255, 159, 64, 1)'
],
borderWidth: 3
},
]
},
options: {
scales: {
yAxes: [{
ticks: {
beginAtZero: true,
callback: function(value, index, values) {
return value.toLocaleString("en-PH",{style:"currency", currency:"PHP"});
}
}
}]
}
}
}
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