对齐和标题位置
¥Alignment and Title Position
此示例展示了如何配置图表图例的对齐方式和标题位置。
¥This sample show how to configure the alignment and title position of the chart legend.
const config = {
type: 'line',
data: data,
options: {
plugins: {
legend: {
title: {
display: true,
text: 'Legend Title',
}
}
}
}
};
const DATA_COUNT = 7;
const NUMBER_CFG = {count: DATA_COUNT, min: -100, max: 100};
const data = {
labels: Utils.months({count: DATA_COUNT}),
datasets: [
{
label: 'Dataset 1',
data: Utils.numbers(NUMBER_CFG),
fill: false,
borderColor: Utils.CHART_COLORS.red,
backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
},
]
};
const actions = [
{
name: 'Title Position: start',
handler(chart) {
chart.options.plugins.legend.align = 'start';
chart.options.plugins.legend.title.position = 'start';
chart.update();
}
},
{
name: 'Title Position: center (default)',
handler(chart) {
chart.options.plugins.legend.align = 'center';
chart.options.plugins.legend.title.position = 'center';
chart.update();
}
},
{
name: 'Title Position: end',
handler(chart) {
chart.options.plugins.legend.align = 'end';
chart.options.plugins.legend.title.position = 'end';
chart.update();
}
},
];
文档
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