Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported 一.总结 一句话总结:解决方案是图片设置crossOrigin属性 图片设置 :crossOrigin属性代码片段:img.setAttribute("crossOrigin",'Anonymous') 大概意思是canvas无法执行toDataURL方法:污染…
canvas绘制图片,由于浏览器的安全考虑,如果在使用canvas绘图的过程中,使用到了外域的图片资源,那么在toDataURL()时会抛出安全异常: Uncaught SecurityError: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported. 解决方案1. 如果想使用toDataURL()生成图片文件的话,在canvas绘图过程中使用的图片应该是当前域下的.…
问题描述 当用户点击分享按钮时,生成一张海报,可以保存图片分享到朋友圈,用户的图片是存储在阿里云的OSS,当海报完成后,执行.canvas.toDataURL("image/png")时,出现index.html:28 Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported的错误提示,这句话的翻译是uncaught…
1.情景展示 当使用canvas 将图片转为base64报错信息如下: Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported 2.解决方案 第一种情况:本地测试&图片引自本地 通过file协议打开的html文件进行的本地测试 解决方案:放在服务器上就可以正常转换了! 第二种情况:被转换的图片,引自网络或者服务器 解决方案…
说明:在chrome下面,编辑文章插入的图片,点击到图片上面,没有菜单显示. 报错: tinymce.min.js:10 Uncaught DOMException: Failed to execute 'setBaseAndExtent' on 'Selection': There is no child at offset 1. at B.<anonymous> (https://sternerstuffdesign.com/wp/wp-includes/js/tinymce/tinymc…
使用wpaint绘图软件时:Uncaught DOMException: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The image argument is a canvas element with a width or height of 0. 一.总结 一句话总结:通过删除法和最简单模式找错,发现是style="display: none;"这个位置引发的错误 <div class="…
添加跨域条件 crossorigin="anonymous" [Redirect at origin 'http://xxx.xx.com' has been blocked from loading by Cross-Origin Resource Sharing policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://sub2.xx.…
patchUpload.vue?5e29:406 Uncaught (in promise) DOMException: Failed to execute 'readAsArrayBuffer' on 'FileReader': The object is already busy reading Blobs.…
Uncaught DOMException: Failed to construct 'WebSocket': The URL 'xxx.xxx.com/' is invalid. 出现这个问题是构造 WebSocket失败了. js代码改成 //实现化WebSocket对象,指定要连接的服务器地址与端口 建立连接 //等同于socket = new WebSocket(path+"/websocket/service8888");socket = new WebSocket(&quo…
three.js加载图片时,出现Failed to execute 'texImage2D' on 'WebGLRenderingContext .Tainted canvases may not be loaded.的错误 跨域安全问题. 解决办法: 1 如果你用的是纹理题图:如: var loader = new THREE.TextureLoader(); 加上: loader.setCrossOrigin( 'Anonymous'); 即可.(THREE.ImageUtils.loadT…
1.问题回放 使用如下代码获取局域网IP报错 (代码来源:https://github.com/diafygi/webrtc-ips 日期:2019-02-16) Uncaught (in promise) DOMException: Failed to execute 'setLocalDescription' on 'RTCPeerConnection': Failed to parse SessionDescription. a=msid: Missing track ID in msi…
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project LogTest: Compilation failure -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e swit…
