77 lines
1.6 KiB
Vue
77 lines
1.6 KiB
Vue
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<template>
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<div
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id="analysischartBar"
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style="width: 100%"
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:style="{ height: chartHeight + 'px' }"
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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 resize from '@/utils/chartMixins/resize'
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export default {
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name: "BarChart",
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mixins: [resize],
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data() {
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return {
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chartDom: '',
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chart: '',
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chartHeight: this.tableHeight(214) - 70
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}
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},
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props: {
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chartData: {
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type: Array,
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required: true,
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default: () => {
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return []
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}
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}
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},
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watch: {
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chartData: function () {
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this.getChart()
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}
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},
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mounted() {
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window.addEventListener('resize', () => {
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this.chartHeight = this.tableHeight(214) - 70
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})
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},
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methods: {
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getChart() {
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if (
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this.chart !== null &&
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this.chart !== '' &&
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this.chart !== undefined
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) {
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this.chart.dispose() // 页面多次刷新会出现警告，Dom已经初始化了一个实例，这是销毁实例
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}
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this.chartDom = document.getElementById('analysischartBar')
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this.chart = echarts.init(this.chartDom)
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let xData = []
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let yData = []
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for (let i = 0; i < this.chartData.length; i++) {
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xData.push(this.chartData[i].time)
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yData.push(this.chartData[i].useNum)
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}
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var option = {
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xAxis: {
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type: 'category',
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data: xData
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},
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yAxis: {
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type: 'value'
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},
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series: [
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{
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data: yData,
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type: 'bar'
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}
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]
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};
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option && this.chart.setOption(option);
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}
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}
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}
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</script>
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