vue echarts 日历

被卡住一小会

Cannot read property 'pathes' of undefined

是events方法的错误，查询发现是this的指向问题

initChart() {this.chart = echarts.init(document.getElementById('calendarchart'))this.option = {tooltip: {},calendar: [{left: 'center',top: 'middle',cellSize: 'auto',yearLabel: { show: false },orient: 'vertical',dayLabel: {firstDay: 1,nameMap: 'cn'},monthLabel: {show: false},range: '2020-03'}],series: [{type: 'custom',coordinateSystem: 'calendar',renderItem: this.renderItem,dimensions: [null, { type: 'ordinal' }],data: this.getVirtulData(2020)}]}this.chart.setOption(this.option, true)},renderItem(params, api) {var cellPoint = api.coord(api.value(0))var cellWidth = params.coordSys.cellWidthvar cellHeight = params.coordSys.cellHeightvar value = api.value(1)var events = value && value.split('|')if (isNaN(cellPoint[0]) || isNaN(cellPoint[1])) {return}const that =  thisvar group = {type: 'group',children: echarts.util.map(this.layouts[events.length - 1], function(itemLayout, index) {return {type: 'path',shape: {pathData: that.pathes[events[index]],x: -8,y: -8,width: 16,height: 16},position: [cellPoint[0] + echarts.number.linearMap(itemLayout[0], [-0.5, 0.5], [-cellWidth / 2, cellWidth / 2]),cellPoint[1] + echarts.number.linearMap(itemLayout[1], [-0.5, 0.5], [-cellHeight / 2 + 20, cellHeight / 2])],style: api.style({fill: that.colors[events[index]]})}}) || []}group.children.push({type: 'text',style: {x: cellPoint[0],y: cellPoint[1] - cellHeight / 2 + 15,text: echarts.format.formatTime('dd', api.value(0)),fill: '#777',textFont: api.font({ fontSize: 14 })}})return group},getVirtulData(year) {year = year || '2020'var date = +echarts.number.parseDate(year + '-01-01')var end = +echarts.number.parseDate((+year + 1) + '-01-01')var dayTime = 3600 * 24 * 1000var data = []for (var time = date; time < end; time += dayTime) {var items = []var eventCount = Math.round(Math.random() * this.pathes.length)for (var i = 0; i < eventCount; i++) {items.push(Math.round(Math.random() * (this.pathes.length - 1)))}data.push([echarts.format.formatTime('yyyy-MM-dd', time),items.join('|')])}return data}

chart: null,option: {},colors: ['#c4332b', '#16B644', '#6862FD', '#FDC763'],layouts: [[[0, 0]],[[-0.25, 0], [0.25, 0]],[[0, -0.2], [-0.2, 0.2], [0.2, 0.2]],[[-0.25, -0.25], [-0.25, 0.25], [0.25, -0.25], [0.25, 0.25]]],pathes: ['M936.857805 523.431322c0 0-42.065715-68.89513-88.786739-68.89513-46.68416 0-95.732122 71.223091-95.732122 71.223091s-44.28544-72.503296-93.440922-71.152538c-35.565466 0.977306-62.89705 30.882406-79.124275 64.06615L579.773747 790.800797c-3.253248 37.391565-5.677568 50.904371-12.002816 69.63497-6.651802 19.698688-19.544883 35.227341-31.650099 45.909606-14.30231 12.621414-29.59831 22.066586-45.854208 27.424563-16.28969 5.362074-30.098739 6.496973-51.536794 6.496973-19.498906 0-36.95104-2.963456-52.395418-8.850534-15.410586-5.887078-28.420403-14.313984-39.034573-25.246003-10.613146-10.930995-18.757939-24.08151-24.435507-39.525171-5.676544-15.443763-8.532685-40.195482-8.532685-59.270963l0-26.232454 74.435273 0c0 24.644301-0.17705 64.452915 8.81408 77.006848 9.02697 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