HTML代码

　　PHP代码

     tmpPath = $tmpPath;  $this->blobNum = $blobNum;  $this->totalBlobNum = $totalBlobNum;  $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->totalBlobNum){   $blob = '';   for($i=1; $i<= $this->totalBlobNum; $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->totalBlobNum; $i++){   @unlink($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 == $this->totalBlobNum){    if(file_exists($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['total_blob_num'],$_POST['file_name']);//调用方法，返回结果$upload->apiReturn();