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news 2025/8/16 7:35:43

土木在线,seo工作职位,做藏头诗的网站,5建网站参考文档：echarts官网、echarts-for-weixin 第一步引入组件库，可直接从echarts-for-weixin下载，也可以从echarts官网自定义生成，这里我们就不贴了组件库引入好后，就是页面引用啦，废话不多说，直…

参考文档：echarts官网、echarts-for-weixin

第一步引入组件库，可直接从echarts-for-weixin下载，也可以从echarts官网自定义生成，这里我们就不贴了
组件库引入好后，就是页面引用啦，废话不多说，直接上代码

index.js:

import * as echarts from '../../components/ec-canvas/echarts'; // 这样引用可避免报init is undefined
let chart = {};
Page({data: {ec: {lazyLoad: true}},onLoad(options) {this.initChart(1)},// 初始化组件initChart(status) {const data = this.selectComponent("#mychart-dom-bar" + status)data.init((canvas, width, height) => {chart[status] = echarts.init(canvas, null, {width: width,height: height,devicePixelRatio: 2});canvas.setChart(chart[status]);this.setOption(status);return chart[status];})},setOption(i) {chart[i].clear(); // 清除chart[i].setOption(this['getOption' + i](), true); //获取新数据},getOption1() {return {tooltip: {trigger: 'axis'},grid: {left: 0,bottom: 0,top: 25,containLabel: true},xAxis: {type: 'category',data: ['洗美', '贴膜', '改装', '改色'],axisTick: {show: false},axisLabel: {color: 'rgba(0,0,0,0.45)',fontWeight: 'bold',lineHeight: 14,padding: [10, 0, 19, 0]},axisLine: {lineStyle: {color: 'rgba(0,0,0,0.15)'}}},yAxis: {type: 'value',axisLabel: {color: 'rgba(0,0,0,0.45)',fontWeight: 'bold',lineHeight: 14,padding: [0, 8, 0, 0]},splitLine: {lineStyle: {color: 'rgba(0,0,0,0.15)'}}},series: [{data: [120, 200, 150, 80],type: 'bar',color: '#0E71B2',label: {show: true,position: 'top',color: '#0E71B2',fontSize: 16}}]}},
})

index.wxml:

<view class="ec-container"><ec-canvas id="mychart-dom-bar1" canvas-id="mychart-bar1" ec="{{ec}}"></ec-canvas>
</view>

index.wxss：

.ec-container {display: flex;flex-direction: column;align-items: center;justify-content: center;width: 100vw;height: 600rpx;padding: 0 20rpx;
}ec-canvas {width: 100%;height: 100%;
}