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微信小程序蓝牙连接使用全网最完整版

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请教一下，你用的是哪款蓝牙打印机？用在生产环境了吗？

请教一下，你用的是哪款蓝牙打印机？用在生产环境了吗？

打印中文呈现乱码

现在用您的源码打印中文出现乱码。
请教这一步是必须吗？有什么玄机吗？
dataView.setUint8(i, str.charAt(i).charCodeAt());
如何直接将 setData 方法中的 str 转换成 ArrayBuffer？

sendData这个方法是在哪里调用的，没有找到呢

连接蓝牙怎么实现打印？

请问蓝牙连接打印功能是怎么玩的？是给设备发送数据就可以直线打印了吗

第一次连接不上设备.

你好, 请问你这里说的延时调用的情况, 如果不延时会导致什么后果吗? 我现在遇到新用户,新设备, 第一次搜不到蓝牙, 微信退出(杀进程)再打开就可以了.不知道跟你说的这种是不是同一个情况.

notifyServicweId 这个值从哪里来的？

只看到使用，没看到赋值。

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