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find_qrcodes()不是会返回区域内所有二维码信息吗?为什么我用for循环遍历只会返回一个二维码信息?要怎么操作才能一次性读取到两个二维码的值?
那说明只找到一个二维码。你看看是不是角度问题。
如果涉及代码,需要报错提示与全部代码文本,请注意不要贴代码图片