116 lines
2.9 KiB
Plaintext
116 lines
2.9 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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items: { type: Array, default: () => [] },
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height: { type: Number, default: 300 }
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},
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data() {
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return {
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heightPx: '300px',
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chartOption: {} as any
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}
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},
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watch: {
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items: { 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.items || this.items.length === 0) return
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const data = (this.items as Array<any>).map((it) => {
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return {
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name: String(it.name),
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value: Number(it.value),
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itemStyle: this.toPlainObject(it.itemStyle)
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}
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})
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const option = {
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tooltip: { trigger: 'item', formatter: '{b}: {c} ({d}%)' },
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legend: {
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orient: 'vertical',
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right: 10,
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top: 'center',
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itemWidth: 10,
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itemHeight: 10,
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textStyle: { fontSize: 11, color: '#666' }
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},
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series: [{
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type: 'pie',
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radius: ['45%', '70%'],
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center: ['35%', '50%'],
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data: data,
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avoidLabelOverlap: true,
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label: {
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show: false
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},
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labelLine: { show: false },
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itemStyle: {
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borderWidth: 2,
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borderColor: '#fff'
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}
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}]
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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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