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| <template>
| <div class="model-binding-right-box">
| <div id="mainChart" style="height: calc(100% - 25px)"></div>
| </div>
| </template>
| <script setup lang="ts">
| import * as echarts from 'echarts';
| import { onMounted, watch, reactive, shallowRef, toRefs } from 'vue';
| import { formatTime } from '/@/utils/istation/common.js';
| const myChart = shallowRef(null);
| // 定义变量内容
| const state = reactive({
| themeTime: '' as any,
| queryDisabled: false,
| chartDataInfo: {
| SeriesData: [],
| XData: [],
| },
| getFreshData: [], //x轴y轴的数据
| selectSignalID: '',
| selectSignalName: '',
| echartTitle: '',
| });
|
| onMounted(() => {
| window.addEventListener('resize', selfAdaption);
| });
| //#region ====================== 图表传参 ======================
| const props = defineProps({
| selectDataInfo: {
| type: Object,
| },
| echartBar: {
| type: Object,
| },
| });
| let { selectDataInfo, echartBar } = toRefs(props);
| watch(selectDataInfo, async (newVal, oldVal) => {
| if (newVal == oldVal) {
| return;
| }
| state.selectSignalID = newVal.SignalID;
| // console.log(state.selectSignalID, 44);
| state.echartTitle = newVal.selectIDTitle;
| });
| watch(echartBar, async (newVal, oldVal) => {
| if (newVal == oldVal) {
| return;
| }
| state.chartDataInfo.SeriesData = newVal.SeriesData;
| state.chartDataInfo.XData = newVal.XData;
| setTimeout(() => {
| drawBar();
| }, 100);
| });
| //#endregion
|
| //#region ====================== 绘图init ======================
| // 初始化echarts折线图
| const drawBar = () => {
| myChart.value && myChart.value.clear();
| //先获取Dom上的实例
| let chartDom = echarts.getInstanceByDom(document.getElementById('mainChart') as HTMLDivElement);
| //然后判断实例是否存在，如果不存在，就创建新实例
| if (chartDom == null) {
| chartDom = echarts.init(document.getElementById('mainChart') as HTMLDivElement);
| myChart.value = chartDom;
| }
|
| let series_arr: any = [];
| series_arr.push({
| type: 'bar',
| barWidth: '30px',
| showBackground: true,
| backgroundStyle: {
| color: 'rgba(180, 180, 180, 0.2)',
| },
|
| data: state.chartDataInfo.SeriesData,
| });
|
| let option = {
| tooltip: {
| trigger: 'axis',
| axisPointer: {
| type: 'shadow',
| },
| },
| grid: {
| left: '3%',
| right: '4%',
| bottom: '3%',
| containLabel: true,
| },
| xAxis: [
| {
| name: '时间',
| type: 'category',
| data: state.chartDataInfo.XData,
| axisTick: {
| alignWithLabel: true,
| },
| axisLabel: {
| formatter: function (value) {
| const date = new Date(value);
| return formatTime('yyyy-MM-dd', date);
| },
| },
| },
| ],
| yAxis: [
| {
| name: '值',
| type: 'value',
| // 整条y轴
| axisLine: {
| show: true,
| },
| },
| ],
| series: series_arr,
| };
| myChart.value.setOption(option);
| myChart.value.resize();
| };
| //#endregion
| //#region ====================== 图表自适应 ======================
|
| // 自适应
| const selfAdaption = () => {
| if (!myChart.value) return;
| myChart.value.resize();
| setTimeout(() => {
| drawBar();
| }, 100);
| };
| //#endregion
| </script>
| <style scoped lang="scss">
| .model-binding-right-box {
| width: 100%;
| height: 100%;
| background: #fff;
| }
| </style>
|
|
