微信 扫描 二维码 可以拿到 手机的独一标示符吗
微信 扫描 二维码 可以拿到 手机的唯一标示符吗
用微信 扫描 二维码 ，可以拿到 手机的唯一标示符吗，随便什么标示符都可以，只要唯一的就好
------解决方案--------------------
掃二為碼只能拿到二維碼的明文。
但掃了之後的處理是app這邊做的，例如掃到abc這個字符串，然後app會自動把本機的device_id發送給某一指定url。就可以獲取到，單純掃二維碼是拿不到什麼東西的，因為二維碼是寫死內容的，誰去掃都一樣，不同的是掃了之後的處理。
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