說明
連接到構造函數中指定的 IP 地址和端口。返回值表示成功或失敗。 connect() 還支持在使用域名(例如:google.com)時進行 DNS 查找。
用法
client.connect(ip, port)
client.connect(URL, port)
參數
ip:客戶端要連接的IP地址(4字節數組)
URL:客戶端將連接的域名(字符串,例如:“arduino.cc”)
端口:客戶端將連接到的端口(int)
返回
如果連接成功則返回 true,否則返回 false。
示例
#include <SPI.h>
#include <WiFi101.h>
char ssid[] = "myNetwork"; // your network SSID (name)
char pass[] = "myPassword"; // your network password
int status = WL_IDLE_STATUS;
char servername[]="google.com"; // remote server we will connect to
WiFiClient client;
void setup() {
Serial.begin(9600);
Serial.println("Attempting to connect to WPA network...");
Serial.print("SSID: ");
Serial.println(ssid);
status = WiFi.begin(ssid, pass);
if ( status != WL_CONNECTED) {
Serial.println("Couldn't get a wifi connection");
// don't do anything else:
while(true);
}
else {
Serial.println("Connected to wifi");
Serial.println("\nStarting connection...");
// if you get a connection, report back via serial:
if (client.connect(servername, 80)) {
Serial.println("connected");
// Make a HTTP request:
client.println("GET /search?q=arduino HTTP/1.0");
client.println();
}
}
}
void loop() {
}
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注:本文由純淨天空篩選整理自arduino.cc大神的英文原創作品 WiFi101 - connect()。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。