Laravel框架实现文件上传的方法分析

'uplaods' => [  'driver' => 'local',  'root' => storage_path('app/uploads'),],

<input type="file" name="headimg" />

$file = $request->file('headimg');if($file && $file->isValid()){//   //获取原图片信息    $ext = $file->getClientOriginalExtension();    $originalName = $file->getClientOriginalName();    $type = $file->getClientMimeType();    $path = $file->getRealPath();    //验证图片类型，大小等    //保存图片    $save_name = date('YmdHis',time()) .'-' .uniqid() .'.'. $ext;    $bool = Storage::disk('uploads')->put($save_name,file_get_contents($path));    if(!$bool){      return redirect()->back()->withErrors('图片上传失败')->withInput();    }}else{    return redirect()->back()->withErrors('请上传图片')->withInput();}//如果验证通过，则继续执行下面的代码$data = $request->input('Student');//图片全路径$img_web_path = storage_path('app/uploads') . '/' .$save_name;//图片相对路径$data['headimg'] = $save_name;if(Student::create($data)){    return redirect('Student/index')->with('success','添加成功');}else{    return redirect()->back();}