1、需要
测试环境、预公布环境都没有问题，公布到线上忽然遇到问题，图像显示不全，或有的就进去了。解体了很久。最终发现是图像太大了，无奈展现。
2、报错
RangeError: Invalid typed array length: 48771072WebglFilterBackend.copyGLTo2DPutImageData [as copyGLTo2D]3、解决方案
设置图像的最大值fabric.textureSize = 5120;//1024*5=5120
测试及全副代码
/* * @Author: ArdenZhao * @Date: 2021-12-07 11:35:45 * @LastEditors: Do not edit * @LastEditTime: 2021-12-28 11:34:18 * @FilePath: /react-ts/src/components/Fabric.js */import React from 'react';import { fabric } from "fabric";class Fabric extends React.Component { constructor(props) { super(props); this.state={ canvas:new fabric.Canvas('canvas') } } componentDidMount(){ fabric.textureSize = 5120;//1024*5=5120 const canvas = new fabric.Canvas('canvas'); console.log('canvas',canvas); // 图片 const imgEl = document.createElement('img') imgEl.crossOrigin = 'Anonymous' // 让图片能让所有人存取 imgEl.src = 'https://speechocean-bj.oss-cn-beijing.aliyuncs.com/0.Zzd/1015ziyouku_En/Book/18ac1a7879a187d7805944d3edfe471c8886f7a5318210b578380a5c6f439133.JPG' // imgEl.src = 'https://2.bp.blogspot.com/-H3JXh2cIKHs/WuwLvnz19cI/AAAAAAAAMXs/-qySdr5zEcc-kcLC4arf5m5H3F_trN7sgCK4BGAYYCw/s1600/kristopher-roller-110203-unsplash-m.jpg' imgEl.onload = () => { const image = new fabric.Image(imgEl, { scaleX: 0.5, scaleY: 0.5, angle: 0, // angle: 15, top: 0, left: 0 }) // 将 filters 实例 push 进 filters 外头 image.filters.push(new fabric.Image.filters.Contrast({contrast: 0.2})) // 这边须要重整所有的滤镜成果 image.applyFilters() canvas.add(image) } }; render() { return <div> <h1>Learn, {this.props.name}</h1> <canvas id="canvas" width="666" height="600"></canvas> </div>; }}export default Fabric;Github地址
https://github.com/iguoxing/r...
在线演示地址
http://jsfiddle.net/Da7SP/1185/
参考链接
https://github.com/fabricjs/f...