qt wifi mesh 获取WiFi信号强度
时间: 2023-11-18 08:03:48 浏览: 37
要获取WiFi信号强度,您可以使用Qt中的QNetworkConfigurationManager类和QNetworkSession类。首先,使用QNetworkConfigurationManager类获取当前活动的网络配置,然后使用QNetworkSession类获取网络接口并查询其信号强度。
以下是示例代码:
```
#include <QtNetwork>
#include <QDebug>
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
QNetworkConfigurationManager manager;
QNetworkConfiguration config = manager.defaultConfiguration();
QNetworkSession session(config);
QNetworkInterface wifiInterface = QNetworkInterface::interfaceFromName(session.interface());
QList<QNetworkAddressEntry> entries = wifiInterface.addressEntries();
foreach (QNetworkAddressEntry entry, entries) {
qDebug() << "IP Address: " << entry.ip().toString();
}
QWifiManager wifiManager;
QList<QNetworkConfiguration> networks = wifiManager.configurations();
foreach (QNetworkConfiguration network, networks) {
qDebug() << "SSID: " << network.name();
QNetworkSession session(network);
QNetworkInterface wifiInterface = QNetworkInterface::interfaceFromName(session.interface());
QList<QNetworkAddressEntry> entries = wifiInterface.addressEntries();
foreach (QNetworkAddressEntry entry, entries) {
qDebug() << "IP Address: " << entry.ip().toString();
}
QWifiConfiguration wifiConfig = network;
qDebug() << "Signal Strength: " << wifiConfig.signalStrength();
}
return a.exec();
}
```
请注意,此代码需要Qt 5.14或更高版本以支持QWifiManager类。如果您使用的是较旧的Qt版本,则必须使用其他方法来获取WiFi信号强度。
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