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| <template>
| <div id="chart-container" :style="{width:width,height:height}">
| </div>
| </template>
|
| <script>
| import { rtuTotalAlarmAnalysis } from '@/cpx_sewage/api/operationManage/rtuMonitor'
| import * as echarts from 'echarts'
| export default {
| name: 'SingleLineChart',
| props: {
| width: {
| type: String,
| default: '100%'
| },
| height: {
| type: String,
| default: '350px'
| },
| chartData: {
| type: Object,
| default: () => {}
| }
| },
| data() {
| return {
| chart: null
| }
| },
| watch: {
| chartData: {
| immediate: true,
| deep: true,
| handler(newVal, oldVal) {
| if (this.chart) {
| if (newVal) {
| this.setOptions(newVal)
| } else {
| this.setOptions(oldVal)
| }
| }
| }
| }
| },
| mounted() {
| this.initChart()
| if (this.chart) {
| window.addEventListener('resize', this.$_handleResizeChart)
| }
| },
| beforeDestroy() {
| if (!this.chart) {
| return false
| }
| this.chart.dispose()
| this.chart = null
| window.removeEventListener('resize', this.$_handleResizeChart)
| },
| methods: {
| $_handleResizeChart() {
| this.chart.resize()
| },
| async setOptions({ time, Data, config } = {}) {
| // prettier-ignore
| const res = await rtuTotalAlarmAnalysis({ })
| const data = res.data
| const dateList = data.map(function(item) {
| return item.report_time
| })
| const valueList = data.map(function(item) {
| return item.alarmCount
| })
| const option = {
| // Make gradient line here
| tooltip: {
| show: true,
| trigger: 'axis',
| axisPointer: {
| type: 'cross',
| label: {
| backgroundColor: '#6a7985'
| }
| }
| },
| xAxis: {
| type: 'category',
| data: dateList,
| // 设置x轴的数据和刻度线对齐
| boundaryGap: false
| },
| yAxis: {
| // 取消Y轴的轴线
| axisLine: {
| show: false
| },
| type: 'value'
| },
| series: [{
| name: '累计报警数量 (次)',
| type: 'line',
| showSymbol: false, // 取消折线上面的点
| // eslint-disable-next-line standard/array-bracket-even-spacing
| data: valueList,
| itemStyle: {
| normal: {
| color: new echarts.graphic.LinearGradient(0, 0, 0, 1,
| [{ offset: 1, color: '#fabb5c' }, { offset: 0.3, color: '#f99331' }, { offset: 0.5, color: '#da6518' }, { offset: 0.2, color: 'red' }])
| }
| }
|
| }] }
|
| this.chart.setOption(option)
| },
| // 表格初始化
| initChart() {
| this.chart = echarts.init(this.$el)
| // 渲染表格
| this.setOptions(this.chartData)
| }
| }
| }
| </script>
|
| <style>
| * {
| margin: 0;
| padding: 0;
| }
| #chart-container {
| position: relative;
| height: 100vh;
| overflow: hidden;
| }
| </style>
|
|
