php Laravel上传到存储目录或公共图像

Posted 2021-05-05

https://laracasts.com/discuss/channels/laravel/how-to-display-image-saved-in-storage-folder-on-blade?page=1

<?php
/*
1) Link the storage directory to public
$  php artisan storage:link


*/

// 2)  IN CONTROLLER
    public function store(Request $request)
    {
        $tasks_count = Task::count() ;
        
          if ( $tasks_count < 20  ) { 
              // dd( $request->all()  ) ;
              // dd($request->file('photos'));
  
              $this->validate( $request, [
                  'task_title' => 'required',
                  'task'       => 'required',
                  'project_id' => 'required|numeric',
                  'photos.*'     => 'sometimes|required|mimes:png,gif,jpeg,txt,pdf,doc'  // photos is an array: photos.*
              ]) ;
  
              // dd($request->all() ) ;
              // First save Task Info
              $task = Task::create([
                  'project_id' => $request->project_id,
                  'task_title' => $request->task_title,
                  'task'       => $request->task,
                  'priority'   => $request->priority
              ]);
  
              // Then save files using the newly created ID above
            if ( $request->file('photos' ) != ''  ) { 
              foreach ($request->photos as $file) {
                  // To Storage
                  $filename = $file->store('public'); // /storage/app/public

                  // filename will be saved as: public/wKZsF9ltDSNj82ynh.png
                  // explode this value at / and get the second element
                  $filename = explode("/", $filename ) ; 

                  // If you want to save into  /public/images
                  //$filename = $file->getClientOriginalName();  // get file name:  cat.jpg
                  //$file->move('images',$filename);
  
                  // save to DB
                  TaskFiles::create([
                      'task_id' => $task->id,
                      'filename' => $filename[1]  // [0] => public, [1] => wKZsF9ltDSNj82ynh.png
                  ]);
              }
            }
      
              Session::flash('success', 'Task Created') ;
              return redirect()->route('task.show') ; 
          }
          
          else {
              Session::flash('info', 'Please delete some tasks, Demo max tasks: 20') ;
              return redirect()->route('task.show') ;         
          }
  
    }



// 3)  IN VIEW:  ?>


@extends('layout')

@section('content')

<!--
<strong>Debug vars:</strong><br>
task_view->project->id :  {{ $task_view->project->id }} <br>
task_view->project->project_name: {{ $task_view->project->project_name }}  <br>
task_view->id: {{ $task_view->id }}<br>
-->


<div class="col-md-8">
    <h1>{{ $task_view->task_title }}</h1>




    <div class="form-group">
        <label>Description:</label>
        <p>{!! $task_view->task !!}</p>
    </div>
        

    <div class="btn-group">
        <a href="{{ route('task.edit', ['id' => $task_view->id ]) }}" class="btn btn-primary"> edit </a>
        <a class="btn btn-default" href="{{ redirect()->getUrlGenerator()->previous() }}">Go Back</a>
    </div>

</div>

<div class="col-md-4">

    <div class="form-group">
            <strong>Project: </strong>
            <span class="label label-info">
                <a href="{{ route('task.list', [ 'projectid' => $task_view->project->id ]) }}">{{ $task_view->project->project_name }}</a>
            </span>
    </div>

    <div class="form-group">
        @if ( $task_view->priority == 0 )
            <strong>Priority: </strong><span class="label label-info">Normal</span>
        @else
            <strong>Priority: </strong><span class="label label-danger">High</span>
        @endif
    </div>

    <div class="form-group">
        @if ( $task_view->completed == 0 )
            <strong>Status: </strong><span class="label label-warning">Open</span>
        @else
            <strong>Status: </strong><span class="label label-success">Closed</span>
        @endif
    </div>

</div>


@if( count($taskfiles) > 0 ) 
    <h1>Files:</h1>

    <div>
    <ul>
    @foreach ( $taskfiles as $taskfile )

        <li> 
            
            <img src="<?php echo asset("storage/$taskfile->filename") ?>">
        </li>

    @endforeach
    </ul>
    </div>

@endif


@stop


<?php

/*
task  
--------------------------------------------------------------------
id  |  project_id  |  task_title  | task  |  priority  |  completed


task_file
---------------------------
id  |  task_id  |  filename

*/  

?>