99 lines
2.1 KiB
Vue
99 lines
2.1 KiB
Vue
<template>
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<div>
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<canvas ref="chartRef" :style="{ height: height + 'px' }"></canvas>
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</div>
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</template>
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<script setup lang="ts">
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import { Chart, registerables } from 'chart.js'
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import { ref, onMounted, onBeforeUnmount } from 'vue'
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// 注册 Chart.js 所有组件
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Chart.register(...registerables)
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// 定义 props
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const props = defineProps<{
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data: any
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height: number
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}>()
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// DOM 引用
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const chartRef = ref<HTMLCanvasElement | null>(null)
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// Chart 实例
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let chartInstance: Chart | null = null
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onMounted(() => {
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if (!chartRef.value) return
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const ctx = chartRef.value.getContext('2d')
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if (!ctx) return
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chartInstance = new Chart(ctx, {
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type: 'line',
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data: props.data,
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options: {
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layout: {
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padding: { top: 30, right: 15, left: 10, bottom: 5 }
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},
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responsive: true,
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maintainAspectRatio: false,
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plugins: {
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legend: { display: false }
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},
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// Chart.js v3+ 的 tooltip 配置在 plugins.tooltip
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// 如果你用的是 v4，需要改成 plugins.tooltip
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tooltips: {
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enabled: true,
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mode: 'index',
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intersect: false
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},
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scales: {
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y: {
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grid: {
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display: true,
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color: 'rgba(0, 0, 0, .2)',
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borderDash: [6],
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borderDashOffset: 6
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},
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ticks: {
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suggestedMin: 0,
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suggestedMax: 1000,
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display: true,
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color: '#8C8C8C',
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font: {
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size: 14,
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lineHeight: 1.8,
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weight: '600',
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family: 'Open Sans'
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}
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}
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},
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x: {
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grid: { display: false },
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ticks: {
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display: true,
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color: '#8C8C8C',
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font: {
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size: 14,
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lineHeight: 1.5,
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weight: '600',
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family: 'Open Sans'
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}
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}
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}
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}
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}
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})
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})
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onBeforeUnmount(() => {
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if (chartInstance) {
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chartInstance.destroy()
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chartInstance = null
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}
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})
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</script>
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<style scoped lang="scss">
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/* 你可以在这里加样式 */
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</style>
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