說明
獲取連接到服務器並具有可供讀取的數據的客戶端。當返回的客戶端對象超出範圍時,連接仍然存在;你可以通過調用client.stop()來關閉它。
available() 繼承自 Stream 實用程序類。
用法
server.available()
參數
None
返回
一個客戶對象;如果沒有客戶端有可供讀取的數據,則此對象將在 if-statement 中評估為 false
示例
#include <SPI.h>
#include <WiFi.h>
char ssid[] = "Network"; // your network SSID (name)
char pass[] = "myPassword"; // your network password
int status = WL_IDLE_STATUS;
WiFiServer server(80);
void setup() {
// initialize serial:
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");
while(true);
}
else {
server.begin();
Serial.print("Connected to wifi. My address:");
IPAddress myAddress = WiFi.localIP();
Serial.println(myAddress);
}
}
void loop() {
// listen for incoming clients
WiFiClient client = server.available();
if (client) {
if (client.connected()) {
Serial.println("Connected to client");
}
// close the connection:
client.stop();
}
}
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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 WiFi - server.available()。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。