PHP大文件分割上传 PHP分片上传

php;"> php class Upload{ private $filepath = './upload'; //上传目录 private $tmpPath; //php文件临时目录 private $blobNum; //第几个文件块 private $@R_75_10586@lBlobNum; //文件块总数 private $filename; //文件名

public function __construct($tmpPath,$blobNum,$@R_75_10586@lBlobNum,$fileName){
$this->tmpPath = $tmpPath;
$this->blobNum = $blobNum;
$this->@R_75_10586@lBlobNum = $@R_75_10586@lBlobNum;
$this->filename = $filename;

$this->moveFile();
$this->fileMerge();

}

//判断是否是最后一块，如果是则进行文件合成并且删除文件块
private function fileMerge(){
if($this->blobNum == $this->@R_75_10586@lBlobNum){
$blob = '';
for($i=1; $i<= $this->@R_75_10586@lBlobNum; $i++){
$blob .= file_get_contents($this->filepath.'/'. $this->filename.'__'.$i);
}
file_put_contents($this->filepath.'/'. $this->filename,$blob);
$this->deleteFileBlob();
}
}

//删除文件块
private function deleteFileBlob(){
for($i=1; $i<= $this->@R_75_10586@lBlobNum; $i++){
@unlink($this->filepath.'/'. $this->filename.'__'.$i);
}
}

//移动文件
private function moveFile(){
$this->touchDir();
$filename = $this->filepath.'/'. $this->filename.'__'.$this->blobNum;
move_uploaded_file($this->tmpPath,$fileName);
}

//API返回数据
public function apiReturn(){
if($this->blobNum == $this->@R_75_10586@lBlobNum){
if(file_exists($this->filepath.'/'. $this->fileName)){
$data['code'] = 2;
$data['msg'] = 'success';
$data['file_path'] = 'http://'.$_SERVER['HTTP_HOST'].dirname($_SERVER['DOCUMENT_URI']).str_replace('.','',$this->filepath).'/'. $this->filename;
}
}else{
if(file_exists($this->filepath.'/'. $this->filename.'__'.$this->blobNum)){
$data['code'] = 1;
$data['msg'] = 'waiTing for all';
$data['file_path'] = '';
}
}
header('Content-type: application/json');
echo json_encode($data);
}

//建立上传文件夹
private function touchDir(){
if(!file_exists($this->filepath)){
return mkdir($this->filepath);
}
}
}

//实例化并获取系统变量传参
$upload = new Upload($_FILES['file']['tmp_name'],$_POST['blob_num'],$_POST['@R_75_10586@l_blob_num'],$_POST['file_name']);
//调用方法，返回结果
$upload->apiReturn();