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| <template>
| <div class="irregular-dataset">
| <div ref="multiBar" style="width: 100%;height: 300px;"></div>
| </div>
| </template>
|
| <script>
| export default {
| data () {
| return {
| options: {},
| }
| },
| mounted () {
| this.options = this.mockData();
| this.initMultiBar();
| },
| methods: {
| mockData () {
|
| var dimension = ['未鸣笛', '未手比', '未呼唤', '运行中睡觉', '未检查', '未应答'];
| var categoryCount = 30;
| var xAxisData = [];
| var customData = [];
| var legendData = [];
| var dataList = [];
|
| legendData.push('trend');
| var encodeY = [];
| for (var i = 0; i < dimension.length; i++) {
| legendData.push(dimension[i]);
| dataList.push([]);
| encodeY.push(1 + i);
| }
|
| for (var i = 0; i < categoryCount; i++) {
| var val = Math.random() * 1000;
| xAxisData.push('category' + i);
| var customVal = [i];
| customData.push(customVal);
|
| for (var j = 0; j < dataList.length; j++) {
| var value = j === 0
| ? this.$echarts.number.round(val, 2)
| : this.$echarts.number.round(Math.max(0, dataList[j - 1][i] + (Math.random() - 0.5) * 200), 2);
| dataList[j].push(value);
| customVal.push(value);
| }
| }
| return {
| title: {
| text: '违规情况统计',
| textStyle: {
| fontSize: 14
| }
| },
| grid: {
| top: 50,
| left: 30,
| right: 20,
| },
| tooltip: {
| trigger: 'axis'
| },
| legend: {
| data: legendData,
| left: 'right',
| //color: ['aqua','#3aa0ff', '#36cbcb', '#4dcb73', '#fad337', '#f2637b', '#975fe4']
| },
| dataZoom: [{
| type: 'slider',
| start: 50,
| end: 70
| }, {
| type: 'inside',
| start: 50,
| end: 70
| }],
| xAxis: {
| //data: xAxisData
| data: ['02-22','02-23','02-24','02-25','02-26','02-27']
| },
| yAxis: {},
| series: [{
| type: 'custom',
| name: 'trend',
| color: 'aqua',
| renderItem: this.renderItem,
| itemStyle: {
| borderWidth: 2
| },
| encode: {
| x: 0,
| y: encodeY
| },
| data: customData,
| z: 1
| }].concat(this.$echarts.util.map(dataList, function (data, index) {
| return {
| type: 'bar',
| animation: false,
| name: legendData[index + 1],
| itemStyle: {
| opacity: 0.7
| },
| color: ['#3aa0ff', '#36cbcb', '#4dcb73', '#fad337', '#f2637b', '#975fe4'][index],
| data: data
| };
| }))
| }
| },
| renderItem (params, api) {
| var xValue = api.value(0);
| var currentSeriesIndices = api.currentSeriesIndices();
| var barLayout = api.barLayout({
| barGap: '30%', barCategoryGap: '20%', count: currentSeriesIndices.length - 1
| });
|
| var points = [];
| for (var i = 0; i < currentSeriesIndices.length; i++) {
| var seriesIndex = currentSeriesIndices[i];
| if (seriesIndex !== params.seriesIndex) {
| var point = api.coord([xValue, api.value(seriesIndex)]);
| point[0] += barLayout[i - 1].offsetCenter;
| point[1] -= 20;
| points.push(point);
| }
| }
| var style = api.style({
| color: '#975fe4',
| //stroke: api.visual('color'),
| stroke: 'aqua',
| fill: null
| });
|
| return {
| type: 'polyline',
| shape: {
| points: points
| },
|
| style: style
| };
| },
| initMultiBar () {
| this.$nextTick(() => {
| let dom = this.$echarts.init(this.$refs['multiBar']);
| dom.setOption(this.options);
| })
| }
| }
| }
| </script>
|
| <style>
| </style>
|
|
