QMqttUnsubscriptionProperties Class
QMqttUnsubscriptionProperties 类表示QMqttClient 在从主题过滤器取消订阅时可传递给服务器的配置选项。更多内容...
| 头文件： | #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，在连接到较低协议层时无法使用。有关更多信息，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。
另请参阅 setUserProperties()。
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