chart.setOption({          xAxis: { data: mock.getData(30).xAxis },          series : { data: mock.getData(30).series }        }), xAxis 动态设置成功, 但是 series动态设置失败了,改怎么设置series,谢谢

我照网上page的开发，page能显示 但component中使用不显示，想请问一下component使用echarts的步骤

wxml： <view class="container"> <ec-canvas id="mychart-dom-bar" canvas-id="mychart-bar" ec="{{ ec }}"></ec-canvas> </view> json: { "component": true, "usingComponents": { "ec-canvas": "../../../../ec-canvas/ec-canvas" } } js: import * as echarts from '../../../../ec-canvas/echarts'; let chart = null; function initChart(canvas, width, height) { const chart = echarts.init(canvas, null, { width: width, height: height }); canvas.setChart(chart); var option = { color: ['#37a2da', '#32c5e9', '#67e0e3'], tooltip: { trigger: 'axis', axisPointer: {            // 坐标轴指示器，坐标轴触发有效 type: 'shadow'        // 默认为直线，可选为：'line' | 'shadow' } }, legend: { data: ['热度', '正面', '负面'] }, grid: { left: 20, right: 20, bottom: 15, top: 40, containLabel: true }, xAxis: [ { type: 'value', axisLine: { lineStyle: { color: '#999' } }, axisLabel: { color: '#666' } } ], yAxis: [ { type: 'category', axisTick: { show: false }, data: ['汽车之家', '今日头条', '百度贴吧', '一点资讯', '微信', '微博', '知乎'], axisLine: { lineStyle: { color: '#999' } }, axisLabel: { color: '#666' } } ], series: [ { name: '热度', type: 'bar', label: { normal: { show: true, position: 'inside' } }, data: [300, 270, 340, 344, 300, 320, 310], itemStyle: { // emphasis: { //   color: '#37a2da' // } } }, { name: '正面', type: 'bar', stack: '总量', label: { normal: { show: true } }, data: [120, 102, 141, 174, 190, 250, 220], itemStyle: { // emphasis: { //   color: '#32c5e9' // } } }, { name: '负面', type: 'bar', stack: '总量', label: { normal: { show: true, position: 'left' } }, data: [-20, -32, -21, -34, -90, -130, -110], itemStyle: { // emphasis: { //   color: '#67e0e3' // } } } ] }; chart.setOption(option); return chart; } data: { ec: { onInit: initChart } },