bootstrap 4 file input doesn't show the file name
I have a problem with the custom-file-input class in Bootstrap 4. after I chose which file I want to upload the filename do not show.
I use this code:
<div class="input-group mb-3">
<div class="custom-file">
<input type="file" class="custom-file-input" id="inputGroupFile02">
<label class="custom-file-label" for="inputGroupFile02">Choose file</label>
</div>
<div class="input-group-append">
<button class="btn btn-primary">Upload</button>
</div>
</div>
Any idea how I can fix it without getting too complicated?
Answer
You need to use javascript to show the name of the choosed file, as written in the documentation: https://getbootstrap.com/docs/4.5/components/forms/#file-browser
Here you can find the solution: Bootstrap 4 File Input
That's the code for your example:
<html lang="en">
<head>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"></script>
</head>
<body>
<div class="input-group mb-3">
<div class="custom-file">
<input type="file" class="custom-file-input" id="inputGroupFile02"/>
<label class="custom-file-label" for="inputGroupFile02">Choose file</label>
</div>
<div class="input-group-append">
<button class="btn btn-primary">Upload</button>
</div>
</div>
<script>
$('#inputGroupFile02').on('change',function(){
//get the file name
var fileName = $(this).val();
//replace the "Choose a file" label
$(this).next('.custom-file-label').html(fileName);
})
</script>
</body>
</html>