132 lines
3.5 KiB
Plaintext
132 lines
3.5 KiB
Plaintext
<template>
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<view class="chart-wrap" :style="{ height: heightPx }">
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<EChartsView :option="chartOption" class="chart" />
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</view>
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</template>
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<script lang="uts">
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import EChartsView from '@/uni_modules/charts/EChartsView.vue'
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export default {
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components: {
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EChartsView
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},
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props: {
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xLabels: { type: Array, default: () => [] },
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series: { type: Array, default: () => [] },
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height: { type: Number, default: 400 }
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},
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data() {
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return {
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heightPx: '400px',
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chartOption: {} as any
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}
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},
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watch: {
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xLabels: { handler() { this.updateOption() }, deep: true },
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series: { handler() { this.updateOption() }, deep: true },
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height: {
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handler() {
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this.heightPx = `${this.height}px`
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}
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}
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},
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mounted() {
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this.heightPx = `${this.height}px`
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setTimeout(() => {
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this.updateOption()
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}, 200)
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},
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methods: {
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toPlainObject(obj: any): any {
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if (obj == null) return null
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if (typeof obj !== 'object') return obj
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if (Array.isArray(obj)) {
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return obj.map((item) => this.toPlainObject(item))
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}
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const plain: any = {}
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for (const key in obj) {
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if (Object.prototype.hasOwnProperty.call(obj, key)) {
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const value = obj[key]
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if (typeof value === 'function' || key.startsWith('_') || key === 'toJSON') {
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continue
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}
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if (value != null && typeof value === 'object' && !Array.isArray(value)) {
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let isSimple = true
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for (const k in value) {
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if (typeof value[k] === 'object' && value[k] !== null) {
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isSimple = false
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break
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}
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}
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plain[key] = isSimple ? { ...value } : this.toPlainObject(value)
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} else {
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plain[key] = value
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}
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}
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}
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return plain
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},
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updateOption() {
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if (!this.xLabels || this.xLabels.length === 0) return
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const seriesData = (this.series as Array<any>).map(s => {
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return {
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name: s.name,
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type: 'line',
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smooth: true,
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showSymbol: false,
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symbolSize: 0,
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itemStyle: { color: s.color },
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lineStyle: { width: 2 },
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data: s.data
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}
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})
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const option = {
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grid: { left: 50, right: 30, top: 40, bottom: 60 },
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tooltip: {
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show: true,
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trigger: 'axis',
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confine: true,
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backgroundColor: 'rgba(255, 255, 255, 0.9)',
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textStyle: { color: '#666', fontSize: 12 }
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},
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legend: {
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show: true,
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top: 0,
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right: 20,
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itemWidth: 12,
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itemHeight: 2,
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textStyle: { fontSize: 11, color: '#666' }
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},
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xAxis: {
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type: 'category',
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boundaryGap: false,
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data: this.xLabels.map(s => String(s)),
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axisLine: { lineStyle: { color: 'rgba(0,0,0,0.1)' } },
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axisLabel: {
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color: 'rgba(0,0,0,0.45)',
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fontSize: 10,
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rotate: 45
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}
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},
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yAxis: {
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type: 'value',
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axisLine: { show: false },
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splitLine: { lineStyle: { color: 'rgba(0,0,0,0.05)' } },
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axisLabel: { color: 'rgba(0,0,0,0.45)', fontSize: 10 }
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},
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series: seriesData
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}
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this.chartOption = this.toPlainObject(option)
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}
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}
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}
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</script>
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<style scoped>
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.chart-wrap { width: 100%; position: relative; overflow: hidden; }
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.chart { width: 100%; height: 100%; position: absolute; top: 0; left: 0; }
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</style>
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