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[html] 第739天 在H5中，如何解决长按二维码图片识别不出或者错误的问题？ #3856

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haizhilin2013 opened this issue Apr 23, 2021 · 1 comment
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[html] 第739天 在H5中，如何解决长按二维码图片识别不出或者错误的问题？ #3856

haizhilin2013 opened this issue Apr 23, 2021 · 1 comment
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@haizhilin2013
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第739天 在H5中，如何解决长按二维码图片识别不出或者错误的问题？

3+1官网

我也要出题
@haizhilin2013 haizhilin2013 added the html html label Apr 23, 2021
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从网易MTL的测试数据得知，大部分移动端浏览器只能识别渲染的二维码，为了让全部移动端浏览器都能识别二维码，那只能使用渲染二维码了。若使用SVG和Canvas的方式生成二维码，那就想方设法把二维码数据转换成Base64再赋值到的src上。
一个页面可能存在多个二维码，若长按二维码只能识别最后一个，那只能控制每个页面只存在一个二维码。

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