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? PHP ????? Laravel Laravel? ???? ??? ??? ???? ???? ??

Laravel? ???? ??? ??? ???? ???? ??

Nov 04, 2023 pm 03:05 PM
laravel ???? ??? ???

Laravel? ???? ??? ??? ???? ???? ??

??? ??? ???? ???? ??? ??, ??? ???, ??? ??? ??? ??? ?????. ??? ??? ??? ??? ??? ?? ????? ?? ??? ?????. ? ???? Laravel ?????? ???? ??? ??? ???? ???? ??? ???? ???? ?? ??? ?????.

  1. ?? ?? ??

??? ???? ?? ?? ?? ??? ??? ?? ???. ???? ??? ??? ????? ??? ?? ??? ?????.

  • ??? ???
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  1. ?? ??

Laravel ?????? ???? ??? ???? ?? ?? ??? ???? ???. ??? ?? XAMPP ?? WAMPP? ?? ?? ??? ??? ? ???, PHP? ??? ????? Laravel ?????? ??? ??? ?????? ?? ??? ? ?? Composer? ??? ? ????.

  1. Create project

?? ??? ???? Laravel ???? ??? ??? ? ????. ???? ?? ?? ??? ?????:

composer create-project --prefer-dist laravel/laravel videoplatform

? ??? ?? ????? "videoplatform"??? Laravel ????? ?????.

  1. ?????? ?? ? ??????

???? ??????? ???? ??????? ???? ???. ?? ?????? ??? ????? ? ????

  • users(???? ??? ??)
  • videos(???? ?? ??)
  • categories(???? ?? ?? ??)
  • comments(???? ?? ?? ??)
  • ???.

??????? ????? ???? ?? ?????? ?? ??? ?????.

php artisan make:migration create_users_table
php artisan make:migration create_videos_table
php artisan make:migration create_categories_table
php artisan make:migration create_comments_table

? ?????? ??? ???? ??????? ??????.

?????? ??? ??? ? ???? ???? ?? ??? ???? ?????????.

php artisan migrate
  1. Route design

Laravel?? ???? URL? ???? ??? ?????. Routes/web.php ??? ???? ??? ???????.

Route::get('/', 'HomeController@index')->name('home');
Route::get('/videos', 'VideoController@index')->name('videos.index');
Route::get('/videos/create', 'VideoController@create')->name('videos.create');
Route::post('/videos/store', 'VideoController@store')->name('videos.store');
Route::get('/videos/{id}', 'VideoController@show')->name('videos.show');
Route::get('/videos/{id}/edit', 'VideoController@edit')->name('videos.edit');
Route::put('/videos/{id}', 'VideoController@update')->name('videos.update');
Route::delete('/videos/{id}', 'VideoController@destroy')->name('videos.destroy');
Route::post('/comments', 'CommentController@store')->name('comments.store');
  1. View ???

View? ???? ??????? ?? ???? ??? ??????? ? ????? ????? ???. resources/views ????? ?? ?? ??? ??????:

  • home.blade.php (? ???)
  • videos/index.blade.php (??? ?? ???)
  • videos/create.blade.php (??? ???) ???)
  • videos/show.blade.php (??? ?? ???)
  • videos/edit.blade.php (??? ?? ???)
  1. Model design

Laravel?? ??? ?? ???? ???? ??????. ?????? ???. ??? ??????? ?? ???? ????? ???? ???? ?? ?????. ? ????? ?? ?? ??? ?????:

  • User.php
  • Video.php
  • Category.php
  • Comment.php
  1. Controller design

Laravel?? ????? ??? ???? ?????. ???? ???? ??? ?? ?????. app/Http/Controllers ????? ?? ???? ??? ????.

  • HomeController.php
  • VideoController.php
  • CommentController.php
  1. ?? ??

?? ??? ??? ??? ??? ???? ???????. , ??? ? ?? ?? ?? ??? ?????.

??? ??? ?? ??? ???? "thumbnail"??? ???? ???? ???? ???? ????.

class Video extends Model
{
    // 添加分類關(guān)聯(lián)關(guān)系
    public function category()
    {
        return $this->belongsTo(Category::class);
    }

    // 添加評(píng)論關(guān)聯(lián)關(guān)系
    public function comments()
    {
        return $this->hasMany(Comment::class);
    }

    // 定義縮略圖訪問器
    public function getThumbnailAttribute()
    {
        return Storage::url($this->attributes['thumbnail']);
    }
}

VideoController?? ??? ??? ?? ??:

class VideoController extends Controller
{
    // 顯示視頻上傳頁面
    public function create()
    {
        $categories = Category::all();

        return view('videos.create', compact('categories'));
    }

    // 處理視頻上傳請(qǐng)求
    public function store(Request $request)
    {
        $request->validate([
            'title' => 'required|max:255',
            'description' => 'nullable|max:1000',
            'category_id' => 'required|numeric',
            'video_file' => 'required|mimetypes:video/mp4|max:102400',
            'thumbnail_file' => 'required|mimetypes:image/jpeg,image/png|max:1024',
        ]);

        $video = new Video();

        $video->title = $request->get('title');
        $video->description = $request->get('description');
        $video->category_id = $request->get('category_id');
        $video->user_id = Auth::id();

        $video_file = $request->file('video_file');
        $video_file_name = uniqid().'.'.$video_file->getClientOriginalExtension();
        Storage::putFileAs('public/videos', $video_file, $video_file_name);
        $video->video_file = 'storage/videos/'.$video_file_name;

        $thumbnail_file = $request->file('thumbnail_file');
        $thumbnail_file_name = uniqid().'.'.$thumbnail_file->getClientOriginalExtension();
        Storage::putFileAs('public/videos/thumbnails', $thumbnail_file, $thumbnail_file_name);
        $video->thumbnail = 'storage/videos/thumbnails/'.$thumbnail_file_name;

        $video->save();

        return redirect()->route('videos.index');
    }
}

CommentController?? ?? ?? ?? ??:

class CommentController extends Controller
{
    public function store(Request $request)
    {
        $request->validate([
            'video_id' => 'required|numeric',
            'content' => 'required|max:1000',
        ]);

        $comment = new Comment();

        $comment->video_id = $request->get('video_id');
        $comment->user_id = Auth::id();
        $comment->content = $request->get('content');

        $comment->save();

        return redirect()->back();
    }
}

???? Laravel ?????? ???? ??? ??? ???? ???? ??? ?????. ?? ??? ???? ????? ? ??? ?? ??? ?? ????. ? ??? ??? ??? ????.

? ??? Laravel? ???? ??? ??? ???? ???? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

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