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| <!-- 油烟浓度表 -->
| <script>
| import * as echarts from 'echarts';
|
| export default {
| // 从分钟数据表中的数据
| props: ['minuteData'],
| data() {
| return {
| };
| },
| watch:{
| // MinuteData发生改变时 重新加载图形
| minuteData(newMinute){
| if(newMinute){
| this.drawChart()
| }
| }
| },
| methods: {
| //写好后端对应即可
| drawChart() {
| console.log('传递数据为', this.minuteData);
| // x轴日期时间
| let dateList = [];
| // 历史油烟浓度
| let fumeConcentration = [];
|
| // item与后端实体类的对应
| // 比率
| this.minuteData.forEach((item) => {
| //x轴日期
| dateList.push(item.mvDataTime);
| // 历史油烟浓度
| fumeConcentration.push(item.mvFumeConcentration2);
| });
|
| const chart = echarts.init(this.$refs.chart);
| chart.setOption({
| title: {
| text: '监测数据'
| //left: 'center'
| },
| grid: {
| left: '3%',
| right: '4%',
| bottom: '3%',
| containLabel: true
| },
| tooltip: {},
|
| legend: {
| // '油烟浓度'
| data: ['油烟浓度']
| },
| toolbox: {
| // 工具栏
| feature: {
| dataZoom: {
| // 区域缩放
| yAxisIndex: 'none'
| },
| // 配置项还原
| restore: {},
| // 保存为图片
| saveAsImage: {}
| }
| },
| xAxis: {
| name: '时间',
| data: dateList,
| },
|
| yAxis: {
| type: 'value',
| axisLabel: {
| show: true,
| interval: 'auto'
| },
| name: 'mg/m³'
| },
| series: [
| {
| name: '油烟浓度',
| type: 'line',
| data: fumeConcentration
| }
| ]
| },true);
|
| },
|
| originSet(){
|
| },
|
| },
| mounted() {
| setTimeout(() => {
| this.drawChart();
| }, 300);
| }
| };
| </script>
|
| <template>
| <div ref="chart" class="fume-constration"></div>
| </template>
|
| <style scoped>
| .fume-constration {
| width: 100%;
| height: 500px;
| margin-top: 25px;
| }
| </style>
|
|
