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| <template>
| <div id="utilizationRate-rank"></div>
| </template>
|
| <script>
| import signageApi from '@/api/signage'
|
| export default {
| name: 'UtilizationRateRankChart',
| components: {},
| data() {
| return {
| chartContainer: null,
| dataSource: []
| }
| },
| mounted() {
| window.addEventListener('resize', this.handleWindowSizeChange)
| },
| methods: {
| getUtilizationRateRankByApi() {
| const that = this
| signageApi.getUtilizationRateRankApi()
| .then(res => {
| if (res.success) {
| that.dataSource = res.result.map(item => {
| return {
| name: item.topName,
| value: item.topRate
| }
| })
| that.initChart()
| }
| })
| },
|
| initChart() {
| this.chartContainer = this.$echarts.init(document.getElementById('utilizationRate-rank'))
| const data = this.dataSource
| const colorArray = [
| {
| top: '#79CEAA',
| bottom: '#79CEAA'
| },
| {
| top: '#F589A2',
| bottom: '#F589A2'
| },
| {
| top: '#6FBF9D',
| bottom: '#6FBF9D'
| },
| {
| top: '#66DFE2',
| bottom: '#66DFE2'
| }, {
| top: '#A7F0C1',
| bottom: '#A7F0C1'
| },
| {
| top: '#FAE893',
| bottom: '#FAE893'
| },
| {
| top: '#F7B7A0',
| bottom: '#F7B7A0'
| }
| ]
| const defaultData = []
| const dataMax = data.length > 0 ? +data.sort((x, y) => +y.value - +x.value)[0].value : 0
| let yAxisMax
| if (dataMax === 0) yAxisMax = 1 // 若数据中最大值为0，则将背景默认值设置为1
| else yAxisMax = Math.ceil(dataMax / 5) * 5 // 设置柱图背景阴影默认值，思路为数据最大值最接近的能被5整除的数字
| const yAxisInterval = yAxisMax / 5 // 同时将刻度值分成5份
| data.forEach(item => defaultData.push(yAxisMax))
| const option = {
| title: {
| show: false // 是否显示标题，默认为true
| },
| grid: {
| left: '3%',
| right: '3%',
| bottom: '3%',
| top: '3%',
| containLabel: true
| },
| tooltip: {
| trigger: 'axis',
| axisPointer: {
| type: 'none'
| },
| formatter: function(params) {
| return '<span style="font-weight:bolder;">' + params[0].name + '</span><br/>' +
| '<span style="display:inline-block; width:10px; height:10px; border-radius:100px; margin-right:5px; background:' + params[0].color.colorStops[params[0].dataIndex].color + '"></span>' + params[0].seriesName + ' : ' + params[0].value + '%'
| }
| },
| xAxis: {
| name: '',
| nameTextStyle: {
| color: '#fff'
| },
| axisLabel: {
| margin: 20,
| textStyle: {
| color: '#fff'
| }
| },
| show: true,
| min: 0,
| max: 'dataMax',
| interval: yAxisInterval,
| type: 'value',
| axisTick: {
| show: false
| },
| splitLine: {
| show: false
| }
| },
| yAxis: [
| {
| type: 'category',
| inverse: true,
| triggerEvent: true,
| axisLabel: {
| show: true,
| textStyle: {
| color: '#fff',
| fontSize: '14',
| fontWeight: 'bolder'
| },
| formatter: function(value) {
| return `${data.find(item => item.name === value).name}`
| }
| },
| splitLine: {
| show: false
| },
| axisTick: {
| show: false
| },
| axisLine: {
| show: false
| },
| data: data.map(item => item.name)
| },
| {
| type: 'category',
| inverse: true,
| axisTick: 'none',
| axisLine: 'none',
| show: true,
| axisLabel: {
| textStyle: {
| color: '#ffffff',
| fontSize: '14'
| },
| formatter: function(value) {
| return `${value}%`
| }
| },
| data: data
| }
| ],
| series: [
| {
| name: '利用率',
| type: 'bar',
| zlevel: 1,
| itemStyle: {
| borderRadius: 100,
| color: function(params) {
| let num = colorArray.length
| return {
| type: 'linear',
| colorStops: [{
| offset: 0,
| color: colorArray[params.dataIndex % num].bottom
| }, {
| offset: 1,
| color: colorArray[params.dataIndex % num].top
| }, {
| offset: 0,
| color: colorArray[params.dataIndex % num].bottom
| }, {
| offset: 1,
| color: colorArray[params.dataIndex % num].top
| }, {
| offset: 0,
| color: colorArray[params.dataIndex % num].bottom
| }, {
| offset: 1,
| color: colorArray[params.dataIndex % num].top
| }, {
| offset: 0,
| color: colorArray[params.dataIndex % num].bottom
| }, {
| offset: 1,
| color: colorArray[params.dataIndex % num].top
| }, {
| offset: 0,
| color: colorArray[params.dataIndex % num].bottom
| }, {
| offset: 1,
| color: colorArray[params.dataIndex % num].top
| }, {
| offset: 0,
| color: colorArray[params.dataIndex % num].bottom
| }]
| }
| }
| },
| barWidth: 12,
| data: data
| },
| {
| name: '背景',
| type: 'bar',
| barWidth: 12,
| barGap: '-100%',
| data: defaultData,
| itemStyle: {
| color: '#11294d',
| borderRadius: 100
| }
| }
| ]
| }
| this.chartContainer.setOption(option, true)
| },
|
| //自适应字体方法封装
| fontSize(res) {
| var docEl = document.documentElement,
| clientWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth
| if (!clientWidth) return
| var fontSize = 100 * (clientWidth / 1920)
| return res * fontSize
| },
|
| handleWindowSizeChange() {
| if (this.chartContainer) this.chartContainer.resize()
| }
| }
| }
| </script>
|
|
