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Better upload flow

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This commit is contained in:
cpq 2023-01-27 22:16:24 +00:00
parent 51136ce982
commit 28262145ab
1 changed files with 13 additions and 4 deletions
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17
examples/file-upload-single-post/web_root/index.html
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@ -32,21 +32,22 @@
<div id="wrapper">
<input type="file" id="el1" style="display: none"/>
<button id="el2">choose file...</button>
<span>Selected file:</span> <span id="el4"></span> <br/>
<button id="el5" style="margin: 0.5em 0;" disabled>upload file</button>
<div id="el3" style="margin-top: 1em;"></div>
</div>
</div>
</body>
<script>
var f; // selected file
// When user clicks on a button, trigger file selection dialog
document.getElementById('el2').onclick = function(ev) {
document.getElementById('el1').click();
};
// If user selected a file, read it into memory and trigger sendFileData()
document.getElementById('el1').onchange = function(ev) {
if (!ev.target.files[0]) return;
var f = ev.target.files[0], r = new FileReader();
document.getElementById('el5').onclick = function(ev) {
var r = new FileReader();
r.readAsArrayBuffer(f);
r.onload = function() {
ev.target.value = '';
@ -60,5 +61,13 @@
};
};
// If user selected a file, read it into memory and trigger sendFileData()
document.getElementById('el1').onchange = function(ev) {
f = ev.target.files[0];
if (!f) return;
document.getElementById('el4').innerText = f.name;
document.getElementById('el5').removeAttribute('disabled');
};
</script>
</html>