laravel与vue前后端分离切片上传
public function upload(Request $request)
{
$file = $request->file('file');
$realPath = $file->getRealPath();
$file_size = $request->input('file_size');
$blob_num = $request->get('blob_num');
$total_blob_num = $request->get('total_blob_num');
$file_name = $request->get('file_name');
$extension = substr($file_name, strripos($file_name, ".") + 1);
$array = [
'mp4', 'mov', 'avi', 'rmvb'
];
if (!in_array($extension, $array)) {
return response()->json(['code' => '403', 'msg' => '文件格式不正确']);
} else {
$path = 'slice/' . date('Ymd');
$filename = $path . '/' . $file_name . '_' . $blob_num;
$upload = Storage::disk('public')->put($filename, file_get_contents($realPath));
if ($blob_num == $total_blob_num) {
for ($i = 1; $i <= $total_blob_num; $i++) {
$blob = Storage::disk('public')->get($path . '/' . $file_name . '_' . $i);
file_put_contents(public_path('storage') . '/' . $path . '/' . $file_name, $blob, FILE_APPEND);
}
for ($i = 1; $i <= $total_blob_num; $i++) {
Storage::delete('public/' . $path . '/' . $file_name . '_' . $i);
}
}
if ($upload) {
return response()->json([
'code' => '200'
]);
} else {
return response()->json([
'code' => '400'
]);
}
}
}
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
#progress{
width: 300px;
height: 20px;
background-color:#f7f7f7;
box-shadow:inset 0 1px 2px rgba(0,0,0,0.1);
border-radius:4px;
background-image:linear-gradient(to bottom,#f5f5f5,#f9f9f9);
}
#finish{
background-color: #149bdf;
background-image:linear-gradient(45deg,rgba(255,255,255,0.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,0.15) 50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent);
background-size:40px 40px;
display: inline-block;
height: 20px;
}
form{
margin-top: 50px;
}
</style>
</head>
<body>
<p id="progress">
<span id="finish" style="width: 0%;" progress="0"></span>
</p>
<form action="" enctype="multipart/form-data">
<input type="hidden" name="MAX_FILE_SIZE" value="2000000000">
<input type="file" name="file" id="file">
<input type="button" value="停止" id="stop">
</form>
<script>
var fileForm = document.getElementById("file");
var stopBtn = document.getElementById('stop');
var upload = new Upload();
fileForm.onchange = function(){
upload.addFileAndSend(this);
}
stopBtn.onclick = function(){
this.value = "停止中";
upload.stop();
this.value = "已停止";
}
function Upload(){
var xhr = new XMLHttpRequest();
var form_data = new FormData();
const LENGTH = 1024 * 1024 * 5;
var start = 0;
var end = start + LENGTH;
var blob;
var blob_num = 1;
var is_stop = 0
this.addFileAndSend = function(that){
var file = that.files[0];
blob = cutFile(file);
sendFile(blob,file);
blob_num += 1;
}
this.stop = function(){
xhr.abort();
is_stop = 1;
}
function cutFile(file){
var file_blob = file.slice(start,end);
start = end;
end = start + LENGTH;
return file_blob;
};
function sendFile(blob,file){
var form_data = new FormData();
var total_blob_num = Math.ceil(file.size / LENGTH);
form_data.append('file',blob);
form_data.append('blob_num',blob_num);
form_data.append('total_blob_num',total_blob_num);
form_data.append('file_name',file.name);
form_data.append('file_size',file.size);
xhr.open('POST','http://www.laravel7.com/api/upload',false);
xhr.onreadystatechange = function () {
if (xhr.readyState==4 && xhr.status==200)
{
console.log(xhr.responseText);
}
var progress;
var progressObj = document.getElementById('finish');
if(total_blob_num == 1){
progress = '100%';
}else{
progress = Math.min(100,(blob_num/total_blob_num)* 100 ) +'%';
}
progressObj.style.width = progress;
var t = setTimeout(function(){
if(start < file.size && is_stop === 0){
blob = cutFile(file);
sendFile(blob,file);
blob_num += 1;
}else{
setTimeout(t);
}
},1000);
}
xhr.send(form_data);
}
}
</script>
</body>
</html>
