如何在 ESP8266/ESP32 上获取当前网关 IP 地址

为了在 ESP8266 或 ESP32 上获取当前网关 IP 地址，使用：

get_gateway.cpp

WiFi.gatewayIP();

WiFi.gatewayIP();

为了在串口上打印网关 IP 地址，使用

get_gateway.cpp

Serial.println("Gateway IP address: ");
Serial.println(WiFi.gatewayIP());

Serial.println("Gateway IP address: ");
Serial.println(WiFi.gatewayIP());

为了将网关 IP 地址获取为字符串，使用

get_gateway.cpp

String gatewayIP = WiFi.gatewayIP().toString();

String gatewayIP = WiFi.gatewayIP().toString();

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