Upload.vue

<template>
    <div>
        <input type="file" @change="onFileChange" accept=".csv">
    </div>
</template>

<script>
    export default {
        name: "Upload",

        methods: {
            onFileChange(event) {
                var formData = new FormData()
                formData.append("file", event.target.files[0])

                this.$http.post('/your-api-url-here', formData, {
                    headers: {
                        'Content-Type': 'multipart/form-data'
                    }
                }).then((response) => {
                    // Handle response
                })
            }
        }
    }
</script>

<?php
// In your laravel controller

function upload(Request $request)
{
    // Save file
    $file = $request->file('file');
    $name = 'your-file-name.ext';
    $file->move(public_path() . '/uploads/', $name);
}

?>