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| 1 | +#include<ESP8266WiFi.h> |
| 2 | +#include<WiFiClient.h> |
| 3 | +#include<ESP8266WebServer.h> |
| 4 | +#include<ESP8266mDNS.h> |
| 5 | + |
| 6 | +#ifndef STASSID |
| 7 | +#defineSTASSID"your-ssid" |
| 8 | +#defineSTAPSK"your-password" |
| 9 | +#endif |
| 10 | + |
| 11 | +constchar* ssid = STASSID; |
| 12 | +constchar* password = STAPSK; |
| 13 | + |
| 14 | +ESP8266WebServerserver(80); |
| 15 | + |
| 16 | +constint led = LED_BUILTIN; |
| 17 | + |
| 18 | +const String postForms ="<html>\ |
| 19 | + <head>\ |
| 20 | + <title>ESP8266 Web Server POST handling</title>\ |
| 21 | + <style>\ |
| 22 | + body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }\ |
| 23 | + </style>\ |
| 24 | + </head>\ |
| 25 | + <body>\ |
| 26 | + <h1>POST plain text to /postplain/</h1><br>\ |
| 27 | + <form method=\"post\" enctype=\"text/plain\" action=\"/postplain/\">\ |
| 28 | + <input type=\"text\" name=\'{\"hello\":\"world\",\"trash\":\"\' value=\'\"}\'><br>\ |
| 29 | + <input type=\"submit\" value=\"Submit\">\ |
| 30 | + </form>\ |
| 31 | + <h1>POST form data to /postform/</h1><br>\ |
| 32 | + <form method=\"post\" enctype=\"application/x-www-form-urlencoded\" action=\"/postform/\">\ |
| 33 | + <input type=\"text\" name=\"hello\" value=\"world\"><br>\ |
| 34 | + <input type=\"submit\" value=\"Submit\">\ |
| 35 | + </form>\ |
| 36 | + </body>\ |
| 37 | +</html>"; |
| 38 | + |
| 39 | +voidhandleRoot() { |
| 40 | +digitalWrite(led,1); |
| 41 | + server.send(200,"text/plain", postForms); |
| 42 | +digitalWrite(led,0); |
| 43 | +} |
| 44 | + |
| 45 | +voidhandlePlain() { |
| 46 | +if (server.method() != HTTP_POST) { |
| 47 | +digitalWrite(led,1); |
| 48 | + server.send(405,"text/plain","Method Not Allowed"); |
| 49 | +digitalWrite(led,0); |
| 50 | + }else { |
| 51 | +digitalWrite(led,1); |
| 52 | + server.send(200,"text/plain","POST body was:\n" + server.arg("plain")); |
| 53 | +digitalWrite(led,0); |
| 54 | + } |
| 55 | +} |
| 56 | + |
| 57 | +voidhandleForm() { |
| 58 | +if (server.method() != HTTP_POST) { |
| 59 | +digitalWrite(led,1); |
| 60 | + server.send(405,"text/plain","Method Not Allowed"); |
| 61 | +digitalWrite(led,0); |
| 62 | + }else { |
| 63 | +digitalWrite(led,1); |
| 64 | + String message ="POST form was:\n"; |
| 65 | +for (uint8_t i =0; i < server.args(); i++) { |
| 66 | + message +="" + server.argName(i) +":" + server.arg(i) +"\n"; |
| 67 | + } |
| 68 | + server.send(200,"text/plain", message); |
| 69 | +digitalWrite(led,0); |
| 70 | + } |
| 71 | +} |
| 72 | + |
| 73 | +voidhandleNotFound() { |
| 74 | +digitalWrite(led,1); |
| 75 | + String message ="File Not Found\n\n"; |
| 76 | + message +="URI:"; |
| 77 | + message += server.uri(); |
| 78 | + message +="\nMethod:"; |
| 79 | + message += (server.method() == HTTP_GET) ?"GET" :"POST"; |
| 80 | + message +="\nArguments:"; |
| 81 | + message += server.args(); |
| 82 | + message +="\n"; |
| 83 | +for (uint8_t i =0; i < server.args(); i++) { |
| 84 | + message +="" + server.argName(i) +":" + server.arg(i) +"\n"; |
| 85 | + } |
| 86 | + server.send(404,"text/plain", message); |
| 87 | +digitalWrite(led,0); |
| 88 | +} |
| 89 | + |
| 90 | +voidsetup(void) { |
| 91 | +pinMode(led, OUTPUT); |
| 92 | +digitalWrite(led,0); |
| 93 | + Serial.begin(115200); |
| 94 | + WiFi.begin(ssid, password); |
| 95 | + Serial.println(""); |
| 96 | + |
| 97 | +// Wait for connection |
| 98 | +while (WiFi.status() != WL_CONNECTED) { |
| 99 | +delay(500); |
| 100 | + Serial.print("."); |
| 101 | + } |
| 102 | + Serial.println(""); |
| 103 | + Serial.print("Connected to"); |
| 104 | + Serial.println(ssid); |
| 105 | + Serial.print("IP address:"); |
| 106 | + Serial.println(WiFi.localIP()); |
| 107 | + |
| 108 | +if (MDNS.begin("esp8266")) { |
| 109 | + Serial.println("MDNS responder started"); |
| 110 | + } |
| 111 | + |
| 112 | + server.on("/", handleRoot); |
| 113 | + |
| 114 | + server.on("/postplain/", handlePlain); |
| 115 | + |
| 116 | + server.on("/postform/", handleForm); |
| 117 | + |
| 118 | + server.onNotFound(handleNotFound); |
| 119 | + |
| 120 | + server.begin(); |
| 121 | + Serial.println("HTTP server started"); |
| 122 | +} |
| 123 | + |
| 124 | +voidloop(void) { |
| 125 | + server.handleClient(); |
| 126 | +} |