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| <template>
| <div class="chart-container">
| <div class="chart-title">各品类仓库占用资金</div>
| <div :id="chartId" :class="className" :style="{width:width,height:height}" />
| </div>
| </template>
|
| <script>
| import echarts from 'echarts'
| require('echarts/theme/macarons') // echarts theme
|
| export default {
| props: {
| className: {
| type: String,
| default: 'chart'
| },
| width: {
| type: String,
| default: '100%'
| },
| height: {
| type: String,
| default: '1400px'
| },
| occupiedFundsData: {
| type: Object,
| default: () => ({})
| }
| },
| data() {
| return {
| chart: null,
| chartId: 'bar-chart-' + Math.random().toString(36).substr(2),
| resizeHandler: null
| }
| },
| watch: {
| occupiedFundsData: {
| handler() {
| if (this.chart) {
| this.updateChart()
| }
| },
| deep: true
| }
| },
| mounted() {
| this.initChart()
| // this.resizeHandler = debounce(() => {
| // if (this.chart) {
| // this.chart.resize()
| // }
| // }, 100)
| // window.addEventListener('resize', this.resizeHandler)
| },
| beforeDestroy() {
| if (!this.chart) {
| return
| }
| window.removeEventListener('resize', this.resizeHandler)
| this.chart.dispose()
| this.chart = null
| },
| methods: {
| initChart() {
| this.chart = echarts.init(document.getElementById(this.chartId), 'macarons')
| this.updateChart()
| },
| updateChart() {
| const chartData = Object.entries(this.occupiedFundsData)
| .map(([category, value]) => ({
| category,
| occupiedFunds: this.toNumber(value && value.occupiedFunds),
| inStore: this.toNumber(value && value.inStore)
| }))
| .sort((a, b) => b.occupiedFunds - a.occupiedFunds)
| const yAxisData = chartData.map(item => item.category)
| const fundsData = chartData.map(item => ({
| value: item.occupiedFunds,
| inStore: item.inStore
| }))
|
| const option = {
| tooltip: {
| trigger: 'axis',
| axisPointer: {
| type: 'shadow'
| },
| formatter: params => {
| const item = params && params[0]
| if (!item) {
| return ''
| }
| return `${item.name}<br/>仓库占用资金：${this.formatAmount(item.value)}<br/>库存数量：${item.data.inStore}`
| }
| },
| grid: {
| top: 40,
| left: '2%',
| right: '4%',
| bottom: '3%',
| containLabel: true
| },
| xAxis: {
| type: 'value',
| boundaryGap: [0, 0.01],
| axisLabel: {
| formatter: value => this.formatAmount(value)
| }
| },
| yAxis: {
| type: 'category',
| data: yAxisData,
| // 横向柱状图默认将首项显示在最下方；反转坐标轴后，
| // 已按金额降序排列的首项（最大值）会显示在最上方。
| inverse: true
| },
| series: [
| {
| name: '仓库占用资金',
| type: 'bar',
| barMaxWidth: 35,
| data: fundsData,
| barMinHeight: 1,
| label: {
| show: true,
| position: 'right',
| formatter: params => this.formatAmount(params.value)
| }
| }
| ]
| }
|
| if (yAxisData.length > 20) {
| option.dataZoom = [
| {
| type: 'slider',
| yAxisIndex: 0,
| filterMode: 'empty',
| start: 0,
| end: 20 / yAxisData.length * 100,
| width: 15
| }
| ]
| }
|
| this.chart.setOption(option)
| },
| toNumber(value) {
| const number = Number(value)
| return Number.isFinite(number) ? number : 0
| },
| formatAmount(value) {
| return `¥${this.toNumber(value).toFixed(2)}`
| }
| }
| }
| </script>
|
| <style scoped>
| .chart-container {
| background: #fff;
| padding: 16px;
| position: relative;
| height: 1438px;
| display: flex;
| flex-direction: column;
| }
| .chart-title {
| font-size: 16px;
| font-weight: bold;
| margin-bottom: 10px;
| }
| .chart {
| flex-grow: 1;
| }
| </style>
|
|
