upload.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div>
        <form>
            <input type="text" class="filename">
            <input type="file" name="file" class="imgPath">
            <div class="submitBtn">提交</div>
        </form>
    </div>
    <script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
            $('.submitBtn').on('click',() => {
                var params = new FormData();
                params.append('name',$('.filename').val())
                params.append('file',$('.imgPath')[0].files[0])
                $.ajax({
                    data: params,
                    url: 'http://localhost:3000/upload',
                    type: 'post',
                    processData: false,
                    contentType: "application/json",
                    success: function(res) {
                        console.log(res)
                    }
                })
            })
        })
    </script>
    
</body>
</html>