【echarts-for-weixin】微信小程序版ECharts

目录

使用

echart.js文件过大

在微信开发者工具中不跟随滑动

​​​​​​​echarts-for-weixin: Apache ECharts 的微信小程序版本

使用

ec-canva要和pages在同一级。

app.json

"usingComponents": {"ec-canvas": "../ec-canvas/ec-canvas"
}

app.wxml

<view class="container"><ec-canvas id="echarts" canvas-id="echarts" ec="{{ec2}}" ></ec-canvas>
</view>

 app.js

import * as echarts from '../../ec-canvas/echarts';Page({data: {ec2: {onInit: initChart},},
})function initChart(canvas, width, height, dpr) {const chart = echarts.init(canvas, null, {width: width,height: height,devicePixelRatio: dpr });canvas.setChart(chart);var option = {xAxis: {type: 'category',data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']},yAxis: {type: 'value'},series: [{data: [150, 230, 224, 218, 135, 147, 260],type: 'line'}]};chart.setOption(option);return chart;
}

app.wxss

.container {display: flex;flex-direction: column;align-items: center;justify-content: space-between;box-sizing: border-box;}ec-canvas {height: 400rpx;width: 400rpx;
}

echart.js文件过大

大概有964kB

ECharts 在线构建

在微信开发者工具中不跟随滑动

force-use-old-canvas="true"

<ec-canvas  force-use-old-canvas="true" id="echarts" canvas-id="echarts" ec="{{ec2}}"
></ec-canvas>