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index.html
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<html>
<body>
<div style="width: 60%; margin: auto;">
<h2>LVJ Image Hoster</h2>
<hr />
<form>
<input id="imgFile" type="file">
<input value="Submit" style="float: right;" type="button" onclick="addImage()">
</form>
<p id="tips">Tips: You can also paste pictures by using Ctrl+V.</p>
</div>
</body>
<script type="text/javascript">
function showImg(url) {
let p = document.getElementById("tips");
let img = document.createElement("img"), link = document.createElement('p');
let oud = document.createElement('div'), br = document.createElement('br');
let md = document.createElement('p');
img.src = url; img.style = 'max-width: 100%';
link.innerHTML = url;
md.innerHTML = ``;
oud.style = 'width: 95%; margin: auto; border: 1px solid black;';
oud.appendChild(img); oud.appendChild(link); oud.appendChild(md);
p.parentNode.insertBefore(oud, p); p.parentNode.insertBefore(br, p);
}
function addImage(pasteImage = undefined) {
if (pasteImage === undefined) {
var fileInput = document.getElementById('imgFile');
var file = fileInput.files[0];
if (file) {
var reader = new FileReader();
reader.onloadend = function () {
var formData = new FormData();
formData.append('image', reader.result.split(",")[1]);
fetch('/upload.php', {
method: 'POST',
body: formData
}).then(async function (response) {
response = await response.json();
console.log(response);
if (response.success) showImg(response.url);
else alert(response.msg);
});
};
reader.readAsDataURL(file);
}
else alert('Select an image first!');
}
else {
var formData = new FormData();
formData.append('image', pasteImage);
fetch('/upload.php', {
method: 'POST',
body: formData
}).then(async function (response) {
response = await response.json();
if (response.success) showImg(response.url);
else alert(response.msg);
});
}
}
</script>
<script type="text/javascript">
document.addEventListener('paste', function (event) {
var items = (event.clipboardData || event.originalEvent.clipboardData).items;
for (var i = 0; i < items.length; i++) {
var item = items[i];
if (item.type.indexOf('image') !== -1) {
var blob = item.getAsFile();
var reader = new FileReader();
reader.onloadend = function () {
addImage(reader.result.split(",")[1]);
};
reader.readAsDataURL(blob);
}
}
});
</script>
</html>