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| <template>
| <div>
| <div ref="chartRef" :style="chartStyle"></div>
| </div>
| </template>
|
| <script setup>
| import { ref, onMounted, onBeforeUnmount, watchEffect } from 'vue'
| import * as echarts from 'echarts'
|
| // Props
| const props = defineProps({
| options: {
| type: Object,
| default: () => ({})
| },
| chartStyle: {
| type: Object,
| default: () => ({
| height: '80%',
| width: '100%'
| })
| },
| dataset: {
| type: Object,
| default: () => {}
| },
| xAxis: {
| type: Array,
| default: () => []
| },
| yAxis: {
| type: Array,
| default: () => []
| },
| series: {
| type: Array,
| default: () => []
| },
| grid: {
| type: Object,
| default: () => ({})
| },
| legend: {
| type: Object,
| default: () => ({})
| },
| tooltip: {
| type: Object,
| default: () => ({})
| },
| lineColors: {
| type: Array,
| default: () => ['#A4EEDA', '#86C1F4', '#91A0FC', '#F6C18B', '#F09595']
| },
| barColors: {
| type: Array,
| default: () => ['#A4EEDA', '#86C1F4', '#91A0FC', '#F6C18B', '#F09595']
| },
| pieColors: {
| type: Array,
| default: () => ['#A4EEDA', '#86C1F4', '#91A0FC', '#F6C18B', '#F09595']
| },
| loadingOption: {
| type: Object,
| default: () => ({
| text: '数据加载中...',
| color: '#00BAFF',
| textColor: '#000',
| maskColor: 'rgba(255, 255, 255, 0.8)',
| zlevel: 0
| })
| }
| })
|
| // Refs
| const chartRef = ref(null)
| let chartInstance = null
|
| // Methods
| function generateChart(option) {
| if (option.series && option.series.length > 0) {
| option.series.forEach((s, index) => {
| if (s.type === 'line') {
| s.itemStyle = {
| color: props.lineColors[index] || props.lineColors[0]
| }
| s.lineStyle = {
| color: props.lineColors[index] || props.lineColors[0]
| }
| } else if (s.type === 'bar') {
| s.itemStyle = {
| color: props.barColors[index] || props.barColors[0]
| }
| }
| })
| }
|
| chartInstance.setOption(option)
| }
|
| function renderChart() {
| const option = {
| backgroundColor: props.options.backgroundColor || '#fff',
| xAxis: props.xAxis,
| yAxis: props.yAxis,
| dataset: props.dataset,
| series: props.series,
| grid: props.grid,
| legend: props.legend,
| tooltip: props.tooltip
| }
|
| chartInstance.clear()
| generateChart(option)
| }
|
| function windowResizeListener() {
| if (!chartInstance) return
| chartInstance.resize()
| }
|
| // Lifecycle hooks
| onMounted(() => {
| chartInstance = echarts.init(chartRef.value)
| renderChart()
| window.addEventListener('resize', windowResizeListener)
| })
|
| onBeforeUnmount(() => {
| if (chartInstance) {
| window.removeEventListener('resize', windowResizeListener)
| chartInstance.dispose()
| chartInstance = null
| }
| })
|
| // Watch all reactive props that affect the chart
| watchEffect(() => {
| // 避免在 mounted 前触发
| if (chartInstance) {
| renderChart()
| }
| }, {
| flush: 'post'
| })
| </script>
|
|
