Using Flask, I'm trying to retrieve the option selected by the user. I want one of the buttons to be the default selection, being active when the user accesses the webpage. However, using class="active", is not enough, as request.form returns empty if the user accepts the pre-selection choice and does not click on it.
Using <link href="/static/styles/bootstrap.min.css" rel="stylesheet">, option 1 shows as pre-selected:
Without using <link href="/static/styles/bootstrap.min.css" rel="stylesheet">, it is possible to see that there is no real pre-section:
How to make a default selection of a checkbox, to be able to later request its value?
Full codes:
app.py
from flask import Flask, render_template, request, redirect
app=Flask(__name__)
app.secret_key = "secret key"
@app.route('/')
def upload_form():
return render_template('index.html')
@app.route('/', methods=['POST'])
def index():
global uniqueId, nomeArquivos
if request.method == 'POST':
print(request.form)
return redirect('/')
if __name__ == '__main__':
app.run()
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<link href="/static/styles/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<form method="post" action="/" enctype="multipart/form-data">
<div class="btn-group" data-toggle="buttons">
<label class="btn btn-primary active">
<input type="radio" name="options" id="option1" value="option1"> option1
</label>
<label class="btn btn-primary">
<input type="radio" name="options" id="option2" value="option2"> option2
</label>
</div>
<input type="submit" value="Submit">
</form>
</body>
</html>
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