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| <template>
| <div ref="chartContainer" :style="{ height: height, width: width }"></div>
| </template>
|
| <script>
| import * as echarts from 'echarts';
|
| export default {
| name: 'BarChart',
| props: {
| width: {
| type: String,
| default: '100%'
| },
| height: {
| type: String,
| default: '700px'
| },
| // 通过 props 传递颜色数据
| colors: {
| type: Array,
| default: () => ['#074cad', '#91cc75', '#fac858', '#ee6666'],
| },
| // 通过 props 传递配置数据
| chartData: {
| type: Object,
| required: true,
| },
| },
| data() {
| return {
| chartInstance: null,
| };
| },
| mounted() {
| this.initChart();
| },
| beforeDestroy() {
| if (this.chartInstance) {
| this.chartInstance.dispose();
| }
| },
| methods: {
| initChart() {
| // 初始化图表
| this.chartInstance = echarts.init(this.$refs.chartContainer);
|
| // 配置项
| const option = this.generateOption(this.chartData, this.colors);
|
| // 设置图表配置
| this.chartInstance.setOption(option);
|
| // 图表自适应窗口大小变化
| window.addEventListener('resize', this.resizeChart);
| },
| generateOption(data, colors) {
| const posList = [
| 'left',
| 'right',
| 'top',
| 'bottom',
| 'inside',
| 'insideTop',
| 'insideLeft',
| 'insideRight',
| 'insideBottom',
| 'insideTopLeft',
| 'insideTopRight',
| 'insideBottomLeft',
| 'insideBottomRight',
| ];
|
| const labelOption = {
| show: true,
| position: data.position || 'insideBottom',
| distance: data.distance || 15,
| align: data.align || 'left',
| verticalAlign: data.verticalAlign || 'middle',
| rotate: data.rotate || 90,
| // formatter: '{c} {name|{a}}',
| fontSize: 16,
| rich: {
| name: {},
| },
| };
|
| const option = {
| tooltip: {
| trigger: 'axis',
| axisPointer: {
| type: 'shadow',
| },
| },
| legend: {
| data: data.legendData,
| textStyle: {
| color: '#1890ff' // 标题文字颜色
| }
| },
| toolbox: {
| show: true,
| orient: 'vertical',
| left: 'right',
| top: 'center',
| feature: {
| mark: { show: true },
| dataView: { show: true, readOnly: false },
| magicType: { show: true, type: ['line', 'bar', 'stack'] },
| restore: { show: true },
| saveAsImage: { show: true },
| },
| },
| xAxis: [
| {
| position: 'bottom',
| name: '设备编号',
| type: 'category',
| axisTick: { show: false },
| data: data.xAxisData,
| axisLine: {
| onZero: false
| },//轴线是否在0刻度关闭，x轴名称时跟随轴线的
| },
| ],
| yAxis: [
| {
| name: '单位（毫米）',
| type: 'value',
|
| },
| ],
| series: data.seriesData
| ? data.seriesData.map((series, index) => ({
| ...series,
| type: 'bar',
| // label: labelOption,
| // label: {
| // show: false, // 不显示标签
| // },
| itemStyle: {
| color: colors[index % colors.length], // 设置柱状图颜色
| },
| emphasis: {
| focus: 'series',
| },
| }))
| : [
| {
| name: '',
| data: [],
| itemStyle: {
| color: colors[0], // 设置柱状图颜色
| },
| },
| {
| name: '',
| data: [],
| itemStyle: {
| color: colors[1], // 设置柱状图颜色
| },
| },
| {
| name: '',
| data: [],
| itemStyle: {
| color: colors[2], // 设置柱状图颜色
| },
| },
| {
| name: '',
| data: [],
| itemStyle: {
| color: colors[3], // 设置柱状图颜色
| },
| },
| ],
| };
|
| return option;
| },
| resizeChart() {
| if (this.chartInstance) {
| this.chartInstance.resize();
| }
| },
| },
| };
| </script>
|
| <style scoped>
| .chart-container {
| width: 100%;
| height: 400px;
| }
| </style>
|
|
