破晓G子夜 破晓G子夜
单身求解放
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大神们这个代码有问题啊 #include <ESP8266WiFi.h> //此处设置您的wifi接入信息 #ifndef STASSID #define STASSID "esp8266" #define STAPSK "12345678" #endif int led = d2; const char* ssid = STASSID; const char* password = STAPSK; //创建TCP server对象,并将端口指定为80 WiFiServer server(80); void setup() { //打开串口 Serial.begin(115200); pinMode(d2,OUTPUT); //初始化板载LED pinMode(LED_BUILTIN, OUTPUT); digitalWrite(LED_BUILTIN, 0); //连接WiFi Serial.println(); Serial.println(); Serial.print(F("Connecting to ")); Serial.println(ssid); WiFi.mode(WIFI_STA); WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print(F(".")); } Serial.println(); Serial.println(F("WiFi connected")); //启动TCP server服务器 server.begin(); Serial.println(F("Server started")); //打印TCP server状态码 Serial.print(F("server.status :")); Serial.println(server.status()); //打印IP地址 Serial.println(WiFi.localIP()); } void loop() { //检查客户端是否已连接 WiFiClient client = server.available(); if (!client) { return; } Serial.println(F("new client")); client.setTimeout(5000); //默认为 1000 //打印TCP server状态码 Serial.print(F("server.status :")); Serial.println(server.status()); //读取客户端发起的TCP请求 String req = client.readStringUntil('\r'); Serial.println(F("request: ")); Serial.println(req); //解析请求里是否含有以下指定内容 int val; //检查发起的请求内容是否包含"/gpio/0" if (req.indexOf(F("/gpio/0")) != -1) { val = 0; //检查发起的请求内容是否包含"/gpio/1" } else if (req.indexOf(F("/gpio/1")) != -1) { val = 1; } else { Serial.println(F("invalid request")); val = digitalRead(LED_BUILTIN); } //根据要求设置板载LED状态 digitalWrite(LED_BUILTIN, val); digitalWrite(ledpin, val); //读取剩余的内容,用于清除缓存 while (client.available()) { client.read(); } //将响应体发送到客户端 注:若要使用中文则必须在其中添加<meta charset=\"utf-8\">声明编码 client.print(F("HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n<!DOCTYPE HTML>\r\n<html>\r\n<meta charset=\"utf-8\">NodeMCU板载LED灯的状态 : ")); client.print((val) ? F("关") : F("开")); client.print(F("<br><br> <a href='http://")); client.print(WiFi.localIP()); client.print(F("/gpio/1'> 点击关灯 </a> , 或 <a href='http://")); client.print(WiFi.localIP()); client.print(F("/gpio/0'> 点击开灯 </a> </html>")); //通过浏览器点击按钮之后,TCP连接将会被重置,并且浏览器会发起新的TCP请求到我们的8266服务器,从而去控制LED灯 Serial.println(F("Disconnecting from client")); }
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