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本帖最后由 划句顾 于 2021-9-4 09:54 编辑
data资源包:
data.zip
(1020 Bytes, 下载次数: 0)
代码如下:
- /***
- *author:LaoGu
- *time :2021/9/3
- *purpose:利用网页控制ESP8266开发板的内置LED引脚
- **/
- #include<ESP8266WiFi.h>
- #include<ESP8266WiFiMulti.h>
- #include<ESP8266WebServer.h>
- #include<FS.h>
- ESP8266WiFiMulti wifiMulti;
- ESP8266WebServer esp8266_server(80);
-
- void setup() {
- Serial.begin(9600);
- Serial.println("");
- pinMode(LED_BUILTIN,OUTPUT); //初始化NodeMCU控制板载LED引脚为OUTPUT
- wifiMulti.addAP("小G的wife","g5201314");
- wifiMulti.addAP("nanjishit","g5201314");
- Serial.println("Connecting ...");
- int i = 0 ;
- while(wifiMulti.run()!=WL_CONNECTED){
- delay(1000);
- Serial.print(i++); Serial.print(" ");
- }
- Serial.println("/n");
- Serial.print("Connected to ");
- Serial.println(WiFi.SSID());
- Serial.print("IP address:");
- Serial.println(WiFi.localIP());
- if(SPIFFS.begin()){
- Serial.println("SPIFFS Started.");
- }else {
- Serial.println("SPIFFS Failed to start.");
- }
- esp8266_server.on("/LED-Control",handleLEDControl);
- esp8266_server.onNotFound(handleUserRequest);
- esp8266_server.begin(); //启动网站服务
- Serial.println("HTTP server started");
- }
- void loop() {
- esp8266_server.handleClient(); //处理用户请求
- }
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- // 处理/LED-Control请求
- void handleLEDControl(){
- bool ledStatus = digitalRead(LED_BUILTIN); //此变量用于存放LED的状态
- ledStatus == HIGH ? digitalWrite(LED_BUILTIN,LOW) : digitalWrite(LED_BUILTIN,HIGH); //点亮或熄灭LED
- esp8266_server.sendHeader("location","/LED.html");
- esp8266_server.send(303);
- }
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- void handleUserRequest(){
- //获取用户请求资源 uri():使用该函数可获取客户端发送的HTTP请求行中的请求资源路径信息。
- String reqResource = esp8266_server.uri();
- Serial.print("reqResource: ");
- Serial.println(reqResource);
- //通过handleFileRead函数处理用户请求资源
- bool fileReadOK = handleFileRead(reqResource);
- //如果在SPIFFS无法找到用户访问的资源,则回复404
- if(!fileReadOK){
- esp8266_server.send(404,"text/plain","404: Not Found");
- }
- }
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- //处理浏览器HTTP访问
- bool handleFileRead(String resource){
- if(resource.endsWith("/")){
- resource = "/index.html";
- }
- String contentType = getContentType(resource); //获取文件类型
- if(SPIFFS.exists(resource)){
- File file = SPIFFS.open(resource,"r");
- esp8266_server.streamFile(file,contentType);
- file.close();
- return true;
- }
- return false;
- }
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- // 获取文件类型
- String getContentType(String filename){
- if(filename.endsWith(".htm")) return "text/html";
- else if(filename.endsWith(".html")) return "text/html";
- else if(filename.endsWith(".css")) return "text/css";
- else if(filename.endsWith(".js")) return "application/javascript";
- else if(filename.endsWith(".png")) return "image/png";
- else if(filename.endsWith(".gif")) return "image/gif";
- else if(filename.endsWith(".jpg")) return "image/jpeg";
- else if(filename.endsWith(".ico")) return "image/x-icon";
- else if(filename.endsWith(".xml")) return "text/xml";
- else if(filename.endsWith(".pdf")) return "application/x-pdf";
- else if(filename.endsWith(".zip")) return "application/x-zip";
- else if(filename.endsWith(".gz")) return "application/x-gzip";
- return "text/plain";
- }
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串口:
网页:
效果:
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