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| #include <WiFi.h>
#include <AsyncTCP.h>
#include <ESPAsyncWebServer.h>
// WiFi配置
const char* ssid = "SSID";
const char* password = "PASSWORD";
// 创建AsyncWebServer对象，监听80端口
AsyncWebServer server(80);
void setup() {
Serial.begin(115200);
// 连接WiFi
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi...");
}
Serial.println("WiFi connected!");
Serial.print("IP Address: ");
Serial.println(WiFi.localIP());
// 基本路由配置
// 处理根路径GET请求
server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
String html = "<html><head><title>ESP32 Server</title></head>";
html += "<body><h1>Hello from ESP32!</h1>";
html += "<p>Free Heap: " + String(ESP.getFreeHeap()) + " bytes</p>";
html += "<p>IP Address: " + WiFi.localIP().toString() + "</p>";
html += "</body></html>";
request->send(200, "text/html", html);
});
// 处理带参数的GET请求
server.on("/greet", HTTP_GET, [](AsyncWebServerRequest *request){
String name = "World";
if (request->hasParam("name")) {
name = request->getParam("name")->value();
}
request->send(200, "text/plain", "Hello " + name + "!");
});
// 处理POST请求
server.on("/data", HTTP_POST, [](AsyncWebServerRequest *request){
String message = "No data received";
if (request->hasParam("message", true)) {
message = request->getParam("message", true)->value();
}
request->send(200, "application/json",
"{\"status\":\"success\",\"message\":\"" + message + "\"}");
});
// 处理文件上传
server.on("/upload", HTTP_POST, [](AsyncWebServerRequest *request){
request->send(200, "text/plain", "Upload Complete");
},
[](AsyncWebServerRequest *request, const String& filename,
size_t index, uint8_t *data, size_t len, bool final){
// 处理上传的文件块
Serial.printf("Upload: %s, index: %d, len: %d\n",
filename.c_str(), index, len);
});
// 处理404错误
server.onNotFound([](AsyncWebServerRequest *request){
request->send(404, "text/plain", "Not Found");
});
// 启动服务器
server.begin();
Serial.println("HTTP server started");
}
void loop() {
// 不需要在loop中做任何事情
// AsyncWebServer在后台运行
}
|
