[Ethernet]
描述
Whether or not the client is connected. Note that a client is considered connected if the connection has been closed but there is still unread data.
語法
EthernetClient client; client.connected()
參數
無
回傳
Returns true if the client is connected, false if not.
範例
#include <Ethernet.h> byte mac[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; byte ip[] = { 10, 0, 0, 177 }; byte server[] = { 64, 233, 187, 99 }; // Google EthernetClient client; void setup() { Ethernet.begin(mac, ip); Serial.begin(9600); client.connect(server, 80); delay(1000); Serial.println("connecting..."); if (client.connected()) { Serial.println("connected"); client.println("GET /search?q=arduino HTTP/1.0"); client.println(); } else { Serial.println("connection failed"); } } void loop() { if (client.available()) { char c = client.read(); Serial.print(c); } if (!client.connected()) { Serial.println(); Serial.println("disconnecting."); client.stop(); for(;;) ; } }
函式庫參考主頁面
86Duino 參考的文本是根據 Creative Commons Attribution-ShareAlike 3.0 License,部分文本是從 the Arduino reference 修改的。 參考中的代碼示例已發佈到公共領域。