原生js实现拖拽上传文件
DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Documenttitle>
<style>
#upload {
width: 200px;
height: 200px;
border: 1px solid #ccc;
}
style>
head>
<body>
<div id="upload">
div>
<script>
const upload = document.querySelector('#upload');
upload.addEventListener('dragenter', function () {
console.log('进入');
})
upload.addEventListener('dragleave', function () {
console.log('离开');
})
upload.addEventListener('dragover', function (ev) {
ev.preventDefault();
})
upload.addEventListener('drop', function (ev) {
ev.preventDefault();
let file = ev.dataTransfer.files[0];
console.log('file', file);
})
script>
body>
html>
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