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 ...
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 request ...
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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 ...
报错详尽信息 Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported. 关键词 canvas.toDataURL ...
最近在用canvas绘制图片后将图片格式转成base64链接时,在chrome中打开网页调试时如下遇到了报错: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may ...
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 ...
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 ...
转的,记录一下,我还没有验证。 这个问题很好解决,就是在获取webgl对象的时候,多传入一个{preserveDrawingBuffer: true},然后在使用canvas.toDataURL()获取就能够获取到了。 案例: var canvas ...
如题,在将页面的图片地址进行本地输出时(Html2Canvas.js),因不同源存在跨域问题,会出现toDataURL访问权限问题: 【Redirect at origin 'http://sub1.xx.com' has been blocked from loading ...
出现Canvas.toDataURL 图片跨域问题怎么解决呢?下面小编就为大家带来一篇Canvas.toDataURL 图片跨域问题的快速解决方法。一起跟随小编过来看看吧 如题,在将页面的图片地址进行本地输出时(Html2Canvas.js),因不同源存在跨域问题,会出 ...