liudianwu:你用java写个然后取调用就好,很简单的,网上一堆。Build.getSerial();Build.SERIAL;
 (2022-06-08 21:07) 
 
谢谢大佬的思路 这个我可以试试
 但是网上的有用qt调用android接口缺获取不到 我想请教下大佬是因为权限的问题还是代码本身不对 比如这个
 QString CJniInteractive::get_Serival_Number()
{
    QAndroidJniObject string = QAndroidJniObject::callStaticObjectMethod("com/qt/useJava/MainActivity",
                                                                         "getSerialNumber",
                                                                         "()Ljava/lang/String;");
    return string.toString();
}