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Diffstat (limited to 'libraries/ESP_Async_WebServer/examples/Params')
| -rw-r--r-- | libraries/ESP_Async_WebServer/examples/Params/Params.ino | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/libraries/ESP_Async_WebServer/examples/Params/Params.ino b/libraries/ESP_Async_WebServer/examples/Params/Params.ino new file mode 100644 index 0000000..2c438a5 --- /dev/null +++ b/libraries/ESP_Async_WebServer/examples/Params/Params.ino @@ -0,0 +1,122 @@ +// SPDX-License-Identifier: LGPL-3.0-or-later +// Copyright 2016-2025 Hristo Gochkov, Mathieu Carbou, Emil Muratov + +// +// Query parameters and body parameters +// + +#include <Arduino.h> +#ifdef ESP32 +#include <AsyncTCP.h> +#include <WiFi.h> +#elif defined(ESP8266) +#include <ESP8266WiFi.h> +#include <ESPAsyncTCP.h> +#elif defined(TARGET_RP2040) || defined(TARGET_RP2350) || defined(PICO_RP2040) || defined(PICO_RP2350) +#include <RPAsyncTCP.h> +#include <WiFi.h> +#endif + +#include <ESPAsyncWebServer.h> + +static AsyncWebServer server(80); + +static const char *htmlContent PROGMEM = R"( +<!DOCTYPE html> +<html> +<head> + <title>POST Request with Multiple Parameters</title> +</head> +<body> + <form action="http://192.168.4.1" method="POST"> + <label for="who">Who?</label> + <input type="text" id="who" name="who" value="Carl"><br> + <label for="g0">g0:</label> + <input type="text" id="g0" name="g0" value="1"><br> + <label for="a0">a0:</label> + <input type="text" id="a0" name="a0" value="2"><br> + <label for="n0">n0:</label> + <input type="text" id="n0" name="n0" value="3"><br> + <label for="t10">t10:</label> + <input type="text" id="t10" name="t10" value="3"><br> + <label for="t20">t20:</label> + <input type="text" id="t20" name="t20" value="4"><br> + <label for="t30">t30:</label> + <input type="text" id="t30" name="t30" value="5"><br> + <label for="t40">t40:</label> + <input type="text" id="t40" name="t40" value="6"><br> + <label for="t50">t50:</label> + <input type="text" id="t50" name="t50" value="7"><br> + <label for="g1">g1:</label> + <input type="text" id="g1" name="g1" value="2"><br> + <label for="a1">a1:</label> + <input type="text" id="a1" name="a1" value="2"><br> + <label for="n1">n1:</label> + <input type="text" id="n1" name="n1" value="3"><br> + <label for="t11">t11:</label> + <input type="text" id="t11" name="t11" value="13"><br> + <label for="t21">t21:</label> + <input type="text" id="t21" name="t21" value="14"><br> + <label for="t31">t31:</label> + <input type="text" id="t31" name="t31" value="15"><br> + <label for="t41">t41:</label> + <input type="text" id="t41" name="t41" value="16"><br> + <label for="t51">t51:</label> + <input type="text" id="t51" name="t51" value="17"><br> + <input type="submit" value="Submit"> + </form> +</body> +</html> +)"; + +static const size_t htmlContentLength = strlen_P(htmlContent); + +void setup() { + Serial.begin(115200); + +#ifndef CONFIG_IDF_TARGET_ESP32H2 + WiFi.mode(WIFI_AP); + WiFi.softAP("esp-captive"); +#endif + + // Get query parameters + // + // curl -v http://192.168.4.1/?who=Bob + // + server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) { + if (request->hasParam("who")) { + Serial.printf("Who? %s\n", request->getParam("who")->value().c_str()); + } + + request->send(200, "text/html", (uint8_t *)htmlContent, htmlContentLength); + }); + + // Get form body parameters + // + // curl -v -H "Content-Type: application/x-www-form-urlencoded" -d "who=Carl" -d "param=value" http://192.168.4.1/ + // + server.on("/", HTTP_POST, [](AsyncWebServerRequest *request) { + // display params + size_t count = request->params(); + for (size_t i = 0; i < count; i++) { + const AsyncWebParameter *p = request->getParam(i); + Serial.printf("PARAM[%u]: %s = %s\n", i, p->name().c_str(), p->value().c_str()); + } + + // get who param + String who; + if (request->hasParam("who", true)) { + who = request->getParam("who", true)->value(); + } else { + who = "No message sent"; + } + request->send(200, "text/plain", "Hello " + who + "!"); + }); + + server.begin(); +} + +// not needed +void loop() { + delay(100); +} |