commit 0756b0b4f3ddee15afe27767952b51c12491391c
Author: ldeyun <ldeyun@163.com>
Date:   Tue Aug 26 09:47:03 2025 +0000

    添加 main.ino

diff --git a/main.ino b/main.ino
new file mode 100644
index 0000000..593b6ca
--- /dev/null
+++ b/main.ino
@@ -0,0 +1,681 @@
+
+#include <ESP8266WiFi.h>
+#include <ESP8266WebServer.h>
+#include <WiFiClient.h>
+#include <EEPROM.h>
+#include <DNSServer.h>
+
+#define AP_TIMEOUT 300000  // 5分钟AP模式超时(毫秒)
+
+const byte DNS_PORT = 53;
+DNSServer dnsServer;
+ESP8266WebServer server(80);
+
+// 配置结构体
+struct Config {
+  char wifiSSID[32];
+  char wifiPass[64];
+  char mqttServer[40];
+  char mqttPort[6];
+  char clientID[24];
+  char mqttUser[24];
+  char mqttPass[24];
+  char subTopic[32];
+  char pubTopic[32];
+};
+
+Config config;
+bool isAPMode = false;
+
+// 函数前置声明
+void handleRoot();
+void handleCustom();
+void handleWiFi();
+void handleInfo();
+void handleReset();
+void handleReboot();
+void handleSave();
+void handleConnect();
+void handleScan();
+void handleCheckWiFi();
+void handleWiFiStatus();
+#include <PubSubClient.h>
+WiFiClient espClient;
+PubSubClient mqttClient(espClient);
+
+// MQTT消息回调函数
+void callback(char* topic, byte* payload, unsigned int length) {
+  Serial.write(payload, length);
+}
+
+unsigned long connectStartTime = 0;
+unsigned long lastMqttReconnectAttempt = 0;
+unsigned long lastMqttPing = 0;
+const unsigned long mqttPingInterval = 60000;  // 每60秒发送一次心跳包
+bool connecting = false;
+String pendingSSID = "";
+String pendingPass = "";
+bool shouldConnectWiFi = false;
+int wifiConnectAttempts = 0;
+const int maxWifiConnectAttempts = 5;  // WiFi最大连接尝试次数
+int mqttReconnectAttempts = 0;
+const int maxMqttReconnectAttempts =20;  // MQTT最大重连尝试次数
+
+void enableTransparentMode() {
+  // 检查模块是否响应
+  Serial.println("AT");
+  if (waitForResponse("OK", 1000)) {
+    Serial.println("AT+CWMODE=1");
+    if (waitForResponse("OK", 1000)) {
+      Serial.println("AT+CIPMODE=1");
+      if (waitForResponse("OK", 1000)) {
+        Serial.println("AT+CIPSEND");
+        waitForResponse(">", 1000);
+      }
+    }
+  }
+}
+
+// 辅助函数，等待模块响应
+bool waitForResponse(const char* response, unsigned long timeout) {
+  unsigned long startTime = millis();
+  while (millis() - startTime < timeout) {
+    if (Serial.find(response)) {
+      return true;
+    }
+  }
+  return false;
+}
+
+bool reconnect() {
+  if (mqttClient.connect(config.clientID, config.mqttUser, config.mqttPass)) {
+    mqttClient.subscribe(config.subTopic);
+    WiFi.mode(WIFI_STA);
+    enableTransparentMode();
+  }
+  return mqttClient.connected();
+}
+
+void startAPMode() {
+  isAPMode = true;
+  WiFi.mode(WIFI_AP);
+  String mac = WiFi.macAddress();
+  mac.replace(":", "");
+  String apName = "znkg_" + mac.substring(mac.length() - 6);
+  WiFi.softAP(apName.c_str(), "12345678");
+
+  // DNS重定向到配网页面
+  dnsServer.start(DNS_PORT, "*", WiFi.softAPIP());
+
+  startWebServer();
+}
+
+void setup() {
+
+
+  Serial.begin(9600);
+  EEPROM.begin(sizeof(Config));
+  loadConfig();
+
+  // 设置MQTT回调函数
+  mqttClient.setCallback(callback);
+
+  // 首次通电或配置为空时进入AP模式
+  if (strlen(config.wifiSSID) == 0 || strlen(config.mqttServer) == 0) {
+    WiFi.mode(WIFI_AP);
+    startAPMode();
+  } else {
+    // 设置MQTT服务器
+    mqttClient.setServer(config.mqttServer, atoi(config.mqttPort));
+
+    // 尝试连接保存的WiFi
+    WiFi.mode(WIFI_AP_STA);
+    WiFi.begin(config.wifiSSID, config.wifiPass);
+    connectStartTime = millis();
+    wifiConnectAttempts++;
+
+    // 等待15秒连接
+    for (int i = 0; i < 15; i++) {
+      if (WiFi.status() == WL_CONNECTED) {
+        Serial.println("WiFi连接成功");
+        wifiConnectAttempts = 0;
+        break;
+      }
+      delay(1000);
+    }
+ if (WiFi.status() != WL_CONNECTED) {
+      wifiConnectAttempts++;  // 递增尝试次数
+      Serial.printf("WiFi连接失败，当前尝试次数: %d/%d\n", wifiConnectAttempts, maxWifiConnectAttempts);
+      
+      if (wifiConnectAttempts >= maxWifiConnectAttempts) {
+        Serial.println("已达到最大WiFi连接尝试次数，进入AP模式");
+        WiFi.mode(WIFI_AP);
+        startAPMode();
+      } else {
+        delay(5000);  // 等待5秒后重试
+        WiFi.begin(config.wifiSSID, config.wifiPass);  // 重新尝试连接
+      }
+    } else {
+      startWebServer();
+    }
+    // 未连接则判断是否超过最大尝试次数
+    // 原代码（直接重启）
+   
+    
+    // 修改后代码（递增尝试次数）
+   
+  }
+}
+
+void loop() {
+  static unsigned long apStartTime = millis();
+
+  // 处理AP模式超时
+  if (isAPMode && millis() - apStartTime > AP_TIMEOUT) {
+    ESP.restart();
+  }
+
+  // 处理DNS请求
+  if (isAPMode) {
+    dnsServer.processNextRequest();
+  }
+
+  // 处理STC串口数据转发到MQTT
+  if (Serial.available() > 0 && mqttClient.connected()) {
+    String data = Serial.readStringUntil('\n');
+    if (data == "rest") {
+      memset(&config, 0, sizeof(config));
+      saveConfig();
+      ESP.restart();
+    }
+    mqttClient.publish(config.pubTopic, data.c_str());
+  }
+
+
+
+  // MQTT重连机制
+  if (!mqttClient.connected()) {
+    unsigned long now = millis();
+    if (now - lastMqttReconnectAttempt > 5000) {
+      lastMqttReconnectAttempt = now;
+      mqttReconnectAttempts++;
+      if (reconnect()) {
+        Serial.println("MQTT连接成功");
+        lastMqttPing = now;
+        mqttReconnectAttempts = 0;
+      } else {
+        Serial.printf("MQTT重连失败，当前尝试次数: %d/%d\n", mqttReconnectAttempts, maxMqttReconnectAttempts);
+        if (mqttReconnectAttempts >= maxMqttReconnectAttempts) {
+
+          Serial.println("已达到最大MQTT重连尝试次数，设备即将自动重启");
+        startAPMode();
+          ESP.restart();
+        }
+
+      }
+      startWebServer();
+    }
+  } else {
+    unsigned long now = millis();
+    if (now - lastMqttPing > mqttPingInterval) {
+      if (mqttClient.loop()) {
+        lastMqttPing = now;
+      } else {
+        // ping失败，断开连接触发重连
+        mqttClient.disconnect();
+      }
+    }
+    mqttClient.loop();
+  }
+
+  server.handleClient();
+}
+
+void startWebServer() {
+  server.on("/", handleRoot);
+  server.on("/custom", handleCustom);
+  server.on("/wifi", handleWiFi);
+  server.on("/info", handleInfo);
+  server.on("/reset", handleReset);
+  server.on("/reboot", handleReboot);
+  server.on("/save", handleSave);
+  server.on("/connect", handleConnect);
+  server.on("/scan", handleScan);
+  server.on("/check_wifi", handleCheckWiFi);
+  server.on("/wifi_status", handleWiFiStatus);
+
+  // 添加强制门户重定向
+  server.on("/generate_204", handleRoot);         // 安卓设备
+  server.on("/fwlink", handleRoot);               // 微软设备
+  server.on("/hotspot-detect.html", handleRoot);  // 苹果设备
+  server.on("/ncsi.txt", []() {
+    server.send(200, "text/plain", "OK");
+  });
+
+  // 未知请求重定向到首页
+  server.onNotFound([]() {
+    server.sendHeader("Location", "http://" + WiFi.softAPIP().toString(), true);
+    server.send(302, "text/plain", "");
+  });
+
+  server.begin();
+}
+
+// 网页处理函数
+void handleRoot() {
+  String html = "<!DOCTYPE html><html><head>"
+                "<meta charset=\"UTF-8\">"
+                "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">"
+                "<title>配网页面</title>"
+                "<style>"
+                "* {box-sizing: border-box; margin: 0; padding: 0; font-family: Arial, sans-serif;}"
+                "body {background-color: #f5f5f5; padding: 20px; color: #333;}"
+                ".container {max-width: 500px; margin: 0 auto; background: white; border-radius: 10px; padding: 25px; box-shadow: 0 2px 10px rgba(0,0,0,0.1);}"
+                "h1 {text-align: center; margin-bottom: 30px; color: #2c3e50; font-size: 28px;}"
+                ".btn {display: block; width: 100%; padding: 15px; margin: 12px 0; background-color: #3498db; color: white; border: none; border-radius: 6px; font-size: 16px; cursor: pointer; transition: background-color 0.3s;}"
+                ".btn:hover {background-color: #2980b9;}"
+                ".btn:nth-child(odd) {background-color: #2ecc71;}"
+                ".btn:nth-child(odd):hover {background-color: #27ae60;}"
+                ".btn-danger {background-color: #e74c3c;}"
+                ".btn-danger:hover {background-color: #c0392b;}"
+                "</style></head>"
+                "<body>"
+                "<div class=\"container\">"
+                "<h1>配网页面</h1>"
+                "<button class=\"btn\" onclick=\"location.href='/custom'\">自定义设置</button>"
+                "<button class=\"btn\" onclick=\"location.href='/wifi'\">WiFi设置</button>"
+                "<button class=\"btn\" onclick=\"location.href='/info'\">网络信息</button>"
+                "<button class=\"btn\" onclick=\"location.href='/reset'\">重 置</button>"
+                "<button class=\"btn\" onclick=\"location.href='/reboot'\">重 启</button>"
+                "<button class=\"btn\" onclick=\"window.close()\">退 出</button>"
+                "</div>"
+                "</body></html>"; 
+  server.send(200, "text/html", html);
+}
+
+void handleCustom() {
+ String html = "<!DOCTYPE html><html><head>"
+                "<meta charset=\"UTF-8\">"
+                "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">"
+                "<title>自定义设置</title>"
+                "<style>"
+                "* {box-sizing: border-box; margin: 0; padding: 0; font-family: Arial, sans-serif;}"
+                "body {background-color: #f5f5f5; padding: 20px; color: #333;}"
+                ".container {max-width: 500px; margin: 0 auto; background: white; border-radius: 10px; padding: 25px; box-shadow: 0 2px 10px rgba(0,0,0,0.1);}"
+                "h1 {text-align: center; margin-bottom: 30px; color: #2c3e50; font-size: 24px;}"
+                ".input-group {margin-bottom: 20px;}"
+                ".input-group label {display: block; margin-bottom: 8px; font-weight: bold; color: #555;}"
+                ".input-group input {width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 6px; font-size: 16px;}"
+                ".btn {display: block; width: 100%; padding: 15px; margin: 15px 0; background-color: #3498db; color: white; border: none; border-radius: 6px; font-size: 16px; cursor: pointer; transition: background-color 0.3s;}"
+                ".btn:hover {background-color: #2980b9;}"
+                ".btn-back {background-color: #95a5a6;}"
+                ".btn-back:hover {background-color: #7f8c8d;}"
+                "</style></head>"
+                "<body>"
+                "<div class=\"container\">"
+                "<h1>自定义设置</h1>"
+                "<form action=\"/save\">"
+                "<div class=\"input-group\">"
+                "<label>MQTT地址:</label>"
+                "<input type=\"text\" name=\"mqtt_server\" value=\""
+                + String(config.mqttServer) + "\">"
+                "</div>"
+                "<div class=\"input-group\">"
+                "<label>MQTT端口:</label>"
+                "<input type=\"text\" name=\"mqtt_port\" value=\""
+                + String(config.mqttPort) + "\">"
+                "</div>"
+                "<div class=\"input-group\">"
+                "<label>客户端ID:</label>"
+                "<input type=\"text\" name=\"client_id\" value=\""
+                + String(config.clientID) + "\">"
+                "</div>"
+                "<div class=\"input-group\">"
+                "<label>用户名称:</label>"
+                "<input type=\"text\" name=\"mqtt_user\" value=\""
+                + String(config.mqttUser) + "\">"
+                "</div>"
+                "<div class=\"input-group\">"
+                "<label>输入密码:</label>"
+                "<input type=\"password\" name=\"mqtt_pass\" value=\""
+                + String(config.mqttPass) + "\">"
+                "</div>"
+                "<div class=\"input-group\">"
+                "<label>发布主题:</label>"
+                "<input type=\"text\" name=\"pub_topic\" value=\""
+                + String(config.pubTopic) + "\">"
+                "</div>"
+                "<div class=\"input-group\">"
+                "<label>订阅主题:</label>"
+                "<input type=\"text\" name=\"sub_topic\" value=\""
+                + String(config.subTopic) + "\">"
+                "</div>"
+                "<button type=\"submit\" class=\"btn\">保 存</button>"
+                "</form>"
+                "<button onclick=\"window.location.replace('/');\" class=\"btn btn-back\">返 回</button>"
+                "</div>"
+                "</body></html>"; 
+  server.send(200, "text/html", html);
+}
+
+void handleWiFi() {
+   String html = "<!DOCTYPE html><html><head>"
+                "<meta charset=\"UTF-8\">"
+                "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">"
+                "<title>WiFi设置</title>"
+                "<style>"
+                "* {box-sizing: border-box; margin: 0; padding: 0; font-family: Arial, sans-serif;}"
+                "body {background-color: #f5f5f5; padding: 20px; color: #333;}"
+                ".container {max-width: 500px; margin: 0 auto; background: white; border-radius: 10px; padding: 25px; box-shadow: 0 2px 10px rgba(0,0,0,0.1);}"
+                "h1 {text-align: center; margin-bottom: 20px; color: #2c3e50; font-size: 24px;}"
+                "#networks {margin-bottom: 20px; max-height: 300px; overflow-y: auto; border: 1px solid #eee; border-radius: 6px; padding: 10px;}"
+                "#networks div {padding: 12px; border-bottom: 1px solid #eee; cursor: pointer; transition: background-color 0.2s;}"
+                "#networks div:hover {background-color: #f9f9f9;}"
+                "form {margin-bottom: 20px;}"
+                "input {width: 100%; padding: 12px; margin-bottom: 15px; border: 1px solid #ddd; border-radius: 6px; font-size: 16px;}"
+                ".btn {display: block; width: 100%; padding: 15px; margin: 15px 0; background-color: #3498db; color: white; border: none; border-radius: 6px; font-size: 16px; cursor: pointer; transition: background-color 0.3s;}"
+                ".btn:hover {background-color: #2980b9;}"
+                ".btn-back {background-color: #95a5a6;}"
+                ".btn-back:hover {background-color: #7f8c8d;}"
+                "</style>"
+                "<script>"
+                "function loadNetworks() {"
+                "  fetch('/scan')"
+                "    .then(r => r.json())"
+                "    .then(data => {"
+                "      let networksDiv = document.getElementById('networks');"
+                "      networksDiv.innerHTML = '';"
+                "      data.forEach(net => {"
+                "        let div = document.createElement('div');"
+                "        div.textContent = net;"
+                "        div.style.cursor = 'pointer';"
+                "        div.onclick = function() {"
+                "          document.getElementById('ssid').value = net;"
+                "        };"
+                "        networksDiv.appendChild(div);"
+                "      });"
+                "    });"
+                "}"
+                "window.onload = loadNetworks;"
+                "</script></head>"
+                "<body>"
+                "<div class=\"container\">"
+                "<h1>WiFi设置</h1>"
+                "<div id=\"networks\"></div>"
+                "<form action=\"/connect\">"
+                "<input type=\"text\" id=\"ssid\" name=\"ssid\" placeholder=\"WiFi名称\">"
+                "<input type=\"password\" name=\"pass\" placeholder=\"WiFi密码\">"
+                "<button type=\"submit\" class=\"btn\">连 接</button>"
+                "</form>"
+                "<button onclick=\"window.location.href='/';\" class=\"btn btn-back\">返 回</button>"
+                "</div>"
+                "</body></html>"; 
+  server.send(200, "text/html", html);
+}
+
+void handleInfo() {
+ String html = "<!DOCTYPE html><html><head>"
+                "<meta charset=\"UTF-8\">"
+                "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">"
+                "<title>网络信息</title>"
+                "<style>"
+                "* {box-sizing: border-box; margin: 0; padding: 0; font-family: Arial, sans-serif;}"
+                "body {background-color: #f5f5f5; padding: 20px; color: #333;}"
+                ".container {max-width: 500px; margin: 0 auto; background: white; border-radius: 10px; padding: 25px; box-shadow: 0 2px 10px rgba(0,0,0,0.1);}"
+                "h1 {text-align: center; margin-bottom: 30px; color: #2c3e50; font-size: 24px;}"
+                ".info {margin-bottom: 15px; padding: 15px; background-color: #f9f9f9; border-radius: 6px; font-size: 16px;}"
+                ".info strong {color: #2c3e50;}"
+                ".connected {color: #27ae60; font-weight: bold;}"
+                ".disconnected {color: #c0392b; font-weight: bold;}"
+                ".btn {display: block; width: 100%; padding: 15px; margin: 20px 0 0; background-color: #3498db; color: white; border: none; border-radius: 6px; font-size: 16px; cursor: pointer; transition: background-color 0.3s;}"
+                ".btn:hover {background-color: #2980b9;}"
+                "</style></head>"
+                "<body>"
+                "<div class=\"container\">"
+                "<h1>网络信息</h1>"
+                "<div class=\"info\"><strong>IP地址:</strong> "
+                + WiFi.localIP().toString() + "</div>"
+                "<div class=\"info\"><strong>MAC地址:</strong> "
+                + WiFi.macAddress() + "</div>"
+                "<div class=\"info\"><strong>工作模式:</strong> "
+                + (WiFi.getMode() == WIFI_AP ? "AP" : "STA") + "</div>"
+                "<div class=\"info\"><strong>信号强度:</strong> "
+                + String(WiFi.RSSI()) + " dBm</div>"
+                "<div class=\"info\"><strong>MQTT连接状态:</strong> <span class=\"" + (mqttClient.connected() ? "connected" : "disconnected") + "\">" + (mqttClient.connected() ? "已连接" : "未连接") + "</span></div>"
+                "<div class=\"info\"><strong>MQTT地址:</strong> "
+                + String(config.mqttServer) + "</div>"
+                "<div class=\"info\"><strong>MQTT端口:</strong> "
+                + String(config.mqttPort) + "</div>"
+                "<div class=\"info\"><strong>客户端ID:</strong> "
+                + String(config.clientID) + "</div>"
+                "<div class=\"info\"><strong>发布主题:</strong> "
+                + String(config.pubTopic) + "</div>"
+                "<div class=\"info\"><strong>订阅主题:</strong> "
+                + String(config.subTopic) + "</div>"
+                "<button onclick=\"window.location.href='/';\" class=\"btn\">返 回</button>"
+                "</div>"
+                "</body></html>"; 
+server.send(200, "text/html", html);
+}
+
+
+
+void handleReboot() {
+  String html = "<!DOCTYPE html><html><head>"
+                "<meta charset=\"UTF-8\">"
+                "<title>重启</title>"
+                "<style>"
+                "body {background:#000;color:#fff;font-size:40px;text-align:center;}"
+                "</style></head>"
+                "<body>"
+                "<h1>设备重启中...</h1>"
+                "<script>"
+                "setTimeout(function() {"
+                "  window.location.href = '/';"
+                "}, 3000);"
+                "</script>"
+                "</body></html>";
+  server.send(200, "text/html", html);
+  delay(1000);
+  ESP.restart();
+}
+
+void handleSave() {
+  if (server.method() == HTTP_GET) {
+    // 保存MQTT配置
+    strncpy(config.mqttServer, server.arg("mqtt_server").c_str(), sizeof(config.mqttServer));
+    strncpy(config.mqttPort, server.arg("mqtt_port").c_str(), sizeof(config.mqttPort));
+    strncpy(config.clientID, server.arg("client_id").c_str(), sizeof(config.clientID));
+    strncpy(config.mqttUser, server.arg("mqtt_user").c_str(), sizeof(config.mqttUser));
+    strncpy(config.mqttPass, server.arg("mqtt_pass").c_str(), sizeof(config.mqttPass));
+    strncpy(config.subTopic, server.arg("sub_topic").c_str(), sizeof(config.subTopic));
+    strncpy(config.pubTopic, server.arg("pub_topic").c_str(), sizeof(config.pubTopic));
+
+    saveConfig();
+
+    // 设置MQTT服务器
+    mqttClient.setServer(config.mqttServer, atoi(config.mqttPort));
+
+    // 尝试连接MQTT
+    bool connected = mqttClient.connect(config.clientID, config.mqttUser, config.mqttPass);
+
+    String html;
+    if (connected) {
+      html = "<!DOCTYPE html><html><head><title>连接成功</title>";
+      html += "<meta http-equiv='refresh' content='3;url=/'>";
+      html += "</head><body><h1>配置保存成功，MQTT连接成功</h1>";
+      html += "<p>设备将在 3 秒后跳转...</p></body></html>";
+      enableTransparentMode();
+    } else {
+      html = "<!DOCTYPE html><html><head><title>连接失败</title>";
+      html += "<meta http-equiv='refresh' content='5;url=/custom'>";
+      html += "</head><body><h1>配置保存成功，但MQTT连接失败</h1>";
+      html += "<p>请检查MQTT配置，页面将在 5 秒后跳转至配置页面...</p></body></html>";
+    }
+
+    server.send(200, "text/html", html);
+  }
+}
+
+void handleConnect() {
+  if (server.hasArg("ssid") && server.hasArg("pass") && !connecting) {
+    pendingSSID = server.arg("ssid");
+    pendingPass = server.arg("pass");
+    strncpy(config.wifiSSID, pendingSSID.c_str(), sizeof(config.wifiSSID));
+    strncpy(config.wifiPass, pendingPass.c_str(), sizeof(config.wifiPass));
+    saveConfig();
+
+    connecting = true;
+    connectStartTime = millis();
+    WiFi.mode(WIFI_STA);
+    WiFi.begin(pendingSSID, pendingPass);
+  }
+
+  String html = "<!DOCTYPE html><html><head>"
+                "<meta charset=\"UTF-8\">"
+                "<title>WiFi连接状态</title>"
+                "<style>"
+                "body {background:#000;color:#fff;font-size:40px;text-align:center;}"
+                "  .info {margin:15px 0;font-size:40px;}"
+                 "  button {background:#0066cc;color:#fff;border:none;padding:15px 30px;margin:15px;cursor:pointer; font-size: 40px;}"
+                "</style></head>"
+                "<body>"
+                "<h1>WiFi连接状态</h1>";
+  if (WiFi.status() == WL_CONNECTED) {
+    html += "</head><body>"
+            "<h1 style=\"color:green\">连接成功</h1>"
+            "<p>SSID: "
+            + WiFi.SSID() + "</p>"
+                            "<p>IP地址: "
+            + WiFi.localIP().toString() + "</p>"
+                                          "<button onclick=\"window.location.href='/';\">返回首页</button>";
+    connecting = false;
+  } else if (connecting && millis() - connectStartTime < 30000) {
+    html += "</head><body>"
+            "<h1>正在连接中...</h1>"
+            "<meta http-equiv=\"refresh\" content=\"5\">";
+  } else {
+    html += "</head><body>"
+            "<h1 style=\"color:red\">连接失败</h1>"
+            "<button onclick=\"window.location.href='/wifi';\">重新选择WiFi</button>";
+    connecting = false;
+  }
+
+  html += "</body></html>";
+  server.send(200, "text/html", html);
+}
+
+void handleScan() {
+  String json = "[";
+  int n = WiFi.scanNetworks();
+  for (int i = 0; i < n; ++i) {
+    if (i) json += ",";
+    json += "\"" + WiFi.SSID(i) + "\"";
+  }
+  json += "]";
+  server.send(200, "application/json", json);
+}
+
+// 保存配置到EEPROM
+void saveConfig() {
+  EEPROM.put(0, config);
+  EEPROM.commit();
+}
+
+// 从EEPROM加载配置
+void loadConfig() {
+  EEPROM.get(0, config);
+  // 检查是否为首次使用
+  if (config.mqttPort[0] == 0) {
+    strcpy(config.mqttPort, "1883");
+  }
+}
+
+void handleCheckWiFi() {
+  String html = "<!DOCTYPE html><html><head>"
+                "<meta charset=\"UTF-8\">"
+                "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">"
+                "<title>WiFi连接状态</title>"
+                "<style>"
+                "* {box-sizing: border-box; margin: 0; padding: 0; font-family: Arial, sans-serif;}"
+                "body {background-color: #f5f5f5; padding: 20px; color: #333;}"
+                ".container {max-width: 500px; margin: 0 auto; background: white; border-radius: 10px; padding: 25px; box-shadow: 0 2px 10px rgba(0,0,0,0.1);}"
+                "h1 {text-align: center; margin-bottom: 20px; font-size: 24px;}"
+                ".connected {color: #27ae60;}"
+                ".disconnected {color: #c0392b;}"
+                ".info {margin: 15px 0; padding: 15px; background-color: #f9f9f9; border-radius: 6px; font-size: 16px;}"
+                ".btn {display: block; width: 100%; padding: 15px; margin: 20px 0 0; background-color: #3498db; color: white; border: none; border-radius: 6px; font-size: 16px; cursor: pointer; transition: background-color 0.3s;}"
+                ".btn:hover {background-color: #2980b9;}"
+                "</style></head>"
+                "<body>"
+                "<div class=\"container\">"; 
+
+  if (WiFi.status() == WL_CONNECTED) {
+    html += "<h1 class=\"connected\">连接成功</h1>"
+            "<div class=\"info\"><strong>SSID:</strong> "
+            + WiFi.SSID() + "</div>"
+            "<div class=\"info\"><strong>IP地址:</strong> "
+            + WiFi.localIP().toString() + "</div>"
+            "<div class=\"info\"><strong>信号强度:</strong> "
+            + String(WiFi.RSSI()) + " dBm</div>"; 
+  } else {
+    html += "<h1 class=\"disconnected\">未连接</h1>"; 
+  }
+
+  html += "<button onclick=\"window.location.href='/';\" class=\"btn\">返回首页</button>"
+          "</div>"
+          "</body></html>"; 
+  server.send(200, "text/html", html);
+}
+
+void handleWiFiStatus() {
+  String html = "<!DOCTYPE html><html><head>"
+                "<meta charset=\"UTF-8\">"
+                "<title>WiFi连接状态</title>"
+                "<style>"
+                    "body {background:#000;color:#fff;font-size:40px;text-align:center;}"
+                "  .info {margin:15px 0;font-size:40px;}"
+                 "  button {background:#0066cc;color:#fff;border:none;padding:15px 30px;margin:15px;cursor:pointer; font-size: 40px;}"
+                "h1 {font-size:24px;}"
+                "p {margin: 15px 0;}"
+                "</style></head>"
+                "<body>";
+
+  if (WiFi.status() == WL_CONNECTED) {
+    html += "<h1 style=\"color:green\">连接成功</h1>"
+            "<p>SSID: "
+            + WiFi.SSID() + "</p>"
+                            "<p>IP地址: "
+            + WiFi.localIP().toString() + "</p>"
+                                          "<p>信号强度: "
+            + String(WiFi.RSSI()) + " dBm</p>";
+  } else {
+    html += "<h1 style=\"color:red\">未连接</h1>";
+  }
+
+  html += "<button onclick=\"window.location.href='/';\">返回首页</button>"
+          "</body></html>";
+  server.send(200, "text/html", html);
+}
+
+void handleReset() {
+  memset(&config, 0, sizeof(config));
+  saveConfig();
+
+  String html = "<!DOCTYPE html><html><head>"
+                "<meta charset=\"UTF-8\">"
+                "<title>重置成功</title>"
+                "<style>"
+                "body {background:#000;color:#fff;text-align:center;}"
+                "</style></head>"
+                "<body>"
+                "<h1>重置成功</h1>"
+                "<p>WiFi配置已清除，设备将重启进入AP模式</p>"
+                "<script>"
+                "setTimeout(function() {"
+                "  window.location.href = '/reboot';"
+                "}, 3000);"
+                "</script>"
+                "</body></html>";
+  server.send(200, "text/html", html);
+}