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<template>
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<div>
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<div style="margin: 5px;">
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<span style="color: #b1b3b8;" >实时数据</span>
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</div>
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<hr style="margin-top: 10px;"/>
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<div v-loading="loading">
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<el-row :gutter="20">
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<el-col :span="8" v-for="device in devices" :key="device.id">
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<div class="dashboard">
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<div class="dashboard-title">设备编号为：{{ device.mnCode }}</div>
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<div ref="charts" class="echarts"></div>
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<div>
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<div class="data">当前数值：{{ device.value }}</div>
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<div class="data">产生时间：{{ device.time }}</div>
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<div class="status" :class="{'exceed': device.value > 1}"> {{ device.value >= 1 ? '超标' : '' }}</div>
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<div class="status1" :class="{'exceed1': device.value < 1}"> {{ device.value < 1 ? '未超标' : '' }}</div>
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</div>
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</div>
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</el-col>
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</el-row>
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加载
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</div>
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</div>
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</template>
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<script>
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import * as echarts from 'echarts'
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import axiosInstance from 'axiosInstance'
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export default {
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data() {
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return {
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devices: [],
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loading:false, //加载中
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}
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},
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methods: {
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fetchData() {
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const params = {
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params: {
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page: 1,
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per_page: 10
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}
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}
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axiosInstance.get('https://fyami.com.cn/device/min/value/real_time', params)
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.then(response => {
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this.devices = response.data.data
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})
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.catch(error => {
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console.error(error)
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})
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},
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updateCharts() {
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for (let i = 0; i < this.devices.length; i++) {
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const device = this.devices[i]
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const chart = echarts.init(this.$refs.charts[i])
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const option = {
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title: {
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// text: '实时数据'
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},
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tooltip: {
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formatter: '{a} <br/>{b} : {c}'
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},
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series: [
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{
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name: '实时数据',
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type: 'gauge',
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detail: { formatter: '{value}' },
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data: [{
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value: device.value,
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name: '油烟浓度' ,
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itemStyle: {
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color:device.value >= 1?'red' :'green'
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}
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}],
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max:2
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}
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]
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}
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chart.setOption(option)
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}
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console.log('调用了！');
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}
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},
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mounted() {
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this.fetchData()
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this.loading = true
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setInterval(() => {
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this.updateCharts()
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}, 30000) //每分钟（30秒）调用一次
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this.loading = false
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},
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created() {
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// 监听窗口大小变化，动态调整仪表盘布局
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window.addEventListener('resize', this.updateCharts)
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},
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beforeUnmount() {
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// 移除窗口大小变化的监听
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window.removeEventListener('resize', this.updateCharts)
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}
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}
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</script>
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<style scoped>
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.dashboard {
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margin-bottom: 20px;
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}
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.dashboard-title {
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font-size: 20px;
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text-align: center;
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padding: 10px 0;
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background-color: #f5f7fa;
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}
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.echarts {
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height: 300px;
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}
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/* 超标 文字效果*/
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.status {
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font-size: 18px;
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color: #FF4D4F;
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font-weight: bold;
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}
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.exceed {
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color: #FF4D4F;
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}
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/* 未超标 */
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.status1 {
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font-size: 18px;
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color: #1de01d;
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font-weight: bold;
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}
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.exceed1 {
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color: #1de01d;
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}
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</style>
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