创客百科

姿势共享,有节操无门槛参与的创客百科,创客动力之源 \ (^_^) /

用户工具

站点工具


en:arduino:libraries:clientconnected

Ethernet : Client class

connected()

Description

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.

Syntax

client.connected()

Parameters

none

Returns

Returns true if the client is connected, false if not.

Example

#include <Ethernet.h>
#include <SPI.h>
 
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
byte ip[] = { 10, 0, 0, 177 };
byte server[] = { 64, 233, 187, 99 }; // Google
 
EthernetClient client;
 
void setup()
{
  Ethernet.begin(mac, ip);
  Serial.begin(9600);
 
  delay(1000);
 
  Serial.println("connecting...");
 
  if (client.connect(server, 80)) {
    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(;;)
      ;
  }
}

Reference Home

本页面的其他翻译:
en/arduino/libraries/clientconnected.txt · 最后更改: 2016/12/25 22:15 (外部编辑)