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Server side SVG rendering of ECharts
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const echarts = require("echarts"); | |
const Canvas = require('canvas'); | |
const {JSDOM} = require('jsdom'); | |
const fs = require('fs'); | |
echarts.setCanvasCreator(() => { | |
return new Canvas(100, 100); | |
}); | |
const {window} = new JSDOM(); | |
global.window = window; | |
global.navigator = window.navigator; | |
global.document = window.document; | |
const root = document.createElement('div'); | |
root.style.cssText = 'width: 500px; height: 500px;'; | |
const chart = echarts.init(root, null, { | |
renderer: 'svg' | |
}); | |
chart.setOption({ | |
title: { | |
text: 'ECharts 入门示例' | |
}, | |
tooltip: {}, | |
legend: { | |
data: ['销量'] | |
}, | |
xAxis: { | |
data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子'] | |
}, | |
yAxis: {}, | |
series: [{ | |
animation: false, | |
name: '销量', | |
type: 'bar', | |
data: [5, 20, 36, 10, 10, 20] | |
}] | |
}); | |
fs.writeFileSync('basic.svg', root.querySelector('svg').outerHTML, 'utf-8'); | |
chart.dispose(); |
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I get an error message if I use Nodejs:
See also apache/echarts#19670