QMqttUnsubscriptionProperties Class
QMqttUnsubscriptionProperties 类表示QMqttClient 从主题过滤器退订时可传递给服务器的配置选项。更多
| Header： | #include <QMqttUnsubscriptionProperties> |
| CMake： | find_package(Qt6 REQUIRED COMPONENTS Mqtt)target_link_libraries(mytarget PRIVATE Qt6::Mqtt) |
| qmake： | QT += mqtt |
公共函数
| void | setUserProperties(const QMqttUserProperties &user) |
| QMqttUserProperties | userProperties() const |
详细说明
注意： 取消订阅属性是 MQTT 5.0 规范的一部分，在连接较低协议级别时无法使用。更多信息请参阅QMqttClient::ProtocolVersion 。
成员函数文档
void QMqttUnsubscriptionProperties::setUserProperties(const QMqttUserProperties &user)
将用户属性设置为user 。
另请参阅 userProperties() 。
QMqttUserProperties QMqttUnsubscriptionProperties::userProperties() const
返回用户指定的属性。
另请参见 setUserProperties()。
© 2025 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.
