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| <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Prévisualisation image</title>
<style>
body {
padding-top: 50px;
text-align: center;
}
img {
margin: 15px;
vertical-align: middle;
}
#prev {
margin-top: 30px;
}
</style>
</head>
<body>
<div><input id="file" name="my_file" type="file" multiple /></div>
<div id="prev"></div><div>
<input id="file2" name="my_file2" type="file" multiple /></div>
<div id="prev2"></div>
<input id="file3" name="my_file3" type="file" multiple /></div>
<div id="prev3"></div>
<input id="file4" name="my_file4" type="file" multiple /></div>
<div id="prev4"></div>
<input id="file5" name="my_file5" type="file" multiple /></div>
<div id="prev5"></div>
<script>
(function() {
function createThumbnail(file) {
var reader = new FileReader();
reader.addEventListener('load', function() {
var imgElement = document.createElement('img');
imgElement.style.maxWidth = '150px';
imgElement.style.maxHeight = '150px';
imgElement.src = this.result;
prev.appendChild(imgElement);
}, false);
reader.readAsDataURL(file);
}
var allowedTypes = ['png', 'jpg', 'jpeg', 'gif'],
fileInput = document.querySelector('#file'),
prev = document.querySelector('#prev');
fileInput.addEventListener('change', function() {
var files = this.files,
filesLen = files.length,
imgType;
for (var i = 0 ; i < filesLen ; i++) {
imgType = files[i].name.split('.');
imgType = imgType[imgType.length - 1];
if(allowedTypes.indexOf(imgType) != -1) {
createThumbnail(files[i]);
}
}
}, false);
})();
</script>
</body>
</html> |
Prévisualisation image avant upload
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