Barry asked 2 years ago
I have a project with multiple html pages and multiple buttons/submits. My Server.On seems to work for some of them but not for others.
page is reset.html
<!DOCTYPE html>
<meta charset=”utf-8″ />
<title>WiFi Reset</title>
<body>
<h1><center>Remove WiFi Credentials</center></h1>
<h2>Clicking the button below will erase the SSID and Password from memory. </h2>
<br>
<form action=”/” method=”POST”>
<center><input class=”button” type=”submit” name=”erase” value=”Erase”><br><br></center>
</form>
<p><a href=”index.html”>Main Menu</a></p><br>
</body>
</html>
What should my server.on be to detect the user pressing the submit button?
In the simple example of the ON/OFF switch, the parsed parameter is the button NAME.
Which prompts the question, if there were ON/OFF buttons on 2 different web pages,
how would you distinguish them as being different? I don't have this exact problem,
just inquiring about general form. Having unique button values would easiy
solve this issue.
It would seem the general form would be something like:
server.on("/webpage/parameter_value")
As best I can determine the general form is: server.on("param_value");
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I'd like to see the general form of server.on discussed. You have nice working
examples but I find it challenging to create a more complex project. You are
probably too young (8-) to have been exposed to Backus Naur Format BNF but it
would be useful in some cases. Please consider including links to general
references in your ebooks.
Thanks
1 Answers
Sara Santos Staff answered 2 years ago
Hi.
We have an example like that (multiple input values) in our blog.
You can take a look at it here: https://randomnerdtutorials.com/esp32-esp8266-input-data-html-form/
I hope this helps.
Regards,
Sara