qmapqstring专题

QObject::connect: Cannot queue arguments of type 'QMapQString,QString'

QObject::connect: Cannot queue arguments of type 'QMap<QString,QString>',(Make sure 'QMap<QString,QString>' is registered using qRegisterMetaType().).      上述错误,只有在跨线程信号传递时才会出现.  因为QMap是QT可识别的基本类型