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| <template>
| <div :class="className" :style="{ height: height, width: width }" />
| </template>
|
| <script>
| import echarts from "echarts";
| require("echarts/theme/macarons"); // echarts theme
| import resize from "../../dashboard/mixins/resize";
| import moment from "moment";
|
| export default {
| mixins: [resize],
| props: {
| className: {
| type: String,
| default: "chart"
| },
| width: {
| type: String,
| default: "100%"
| },
| height: {
| type: String,
| default: "300px"
| },
| autoResize: {
| type: Boolean,
| default: true
| },
| chartData: {
| type: Object,
| required: true
| }
| },
| data() {
| return {
| chart: null
| };
| },
| watch: {
| chartData: {
| deep: true,
| handler(val) {
| this.setOptions(val);
| }
| }
| },
| mounted() {
| this.$nextTick(() => {
| this.initChart();
| });
| },
| beforeDestroy() {
| if (!this.chart) {
| return;
| }
| this.chart.dispose();
| this.chart = null;
| },
| methods: {
| initChart() {
| this.chart = echarts.init(this.$el, "macarons");
| this.setOptions(this.chartData);
| },
| setOptions({ barChartData, dataTime } = {}) {
| let curYear = moment(dataTime).year();
| let yearArr = [curYear - 3, curYear - 2, curYear - 1, curYear];
| let option = {
| tooltip: {
| trigger: "axis",
| axisPointer: {
| // Use axis to trigger tooltip
| type: "shadow" // 'shadow' as default; can also be 'line' or 'shadow'
| }
| },
| legend: {},
| grid: {
| left: "3%",
| right: "4%",
| bottom: "3%",
| containLabel: true
| },
| barWidth: "40%",
| xAxis: {
| type: "category",
| data: yearArr
| },
| yAxis: {
| type: "value"
| },
| series: barChartData.map(item => {
| return {
| name: item.energyUnit,
| type: "bar",
| stack: "total",
| label: {
| show: true
| },
| emphasis: {
| focus: "series"
| },
| data: item.dataArr
| };
| })
| };
| this.chart.setOption(option);
| }
| }
| };
| </script>
|
|
