文章分类由1变多

app/Admin/Controllers/Article/IndexController.php

@@ -2,6 +2,7 @@
 
 namespace App\Admin\Controllers\Article;
 
+use App\Admin\Selectable\CategorySelectAble;
 use App\Models\Article;
 use App\Models\Category;
 use Encore\Admin\Controllers\AdminController;
@@ -52,18 +53,21 @@ class IndexController extends AdminController
         $form = new Form(new Article);
 
         $form->text('title', '文章标题')->rules('min:2');
-        $form->select('category_id', '所属分类')
+
-             ->options(Category::selectOptions(function ($model) {
+        $form->belongsToMany('categories', CategorySelectAble::class, __('关联分类'));
-                 return $model->whereIn('type', [Category::TYPE_ARTICLE, Category::TYPE_SHOW]);
+
-             }, '选择分类'))
+//        $form->select('category_id', '所属分类')
-             ->when('in', [3, 29], function (Form $form) {
+        //             ->options(Category::selectOptions(function ($model) {
-                 $form->text('working', '工龄');
+        //                 return $model->whereIn('type', [Category::TYPE_ARTICLE, Category::TYPE_SHOW]);
-                 $form->text('job', '岗位');
+        //             }, '选择分类'))
-             })
+        //             ->when('in', [3, 29], function (Form $form) {
-             ->rules('required|min:1', [
+        //                 $form->text('working', '工龄');
-                 'required' => '必须选择所属分类',
+        //                 $form->text('job', '岗位');
-                 'min'      => '必须选择所属分类',
+        //             })
-             ]);
+        //             ->rules('required|min:1', [
+        //                 'required' => '必须选择所属分类',
+        //                 'min'      => '必须选择所属分类',
+        //             ]);
 
         //        $form->text('keywords', '关键词')->rules('nullable');
         $form->textarea('description', '内容简介')->rules('max:350');

app/Admin/Selectable/CategorySelectAble.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Admin\Selectable;
+
+use App\Models\Category;
+use Encore\Admin\Grid\Filter;
+use Encore\Admin\Grid\Selectable;
+
+class CategorySelectAble extends Selectable
+{
+
+    public $model = Category::class;
+
+    public static function display()
+    {
+        return function ($value) {
+            if (is_array($value)) {
+                return implode(';', array_column($value, 'title'));
+            }
+
+            return optional($this->categories)->title;
+        };
+    }
+
+    public function make()
+    {
+        $this->model()->where('status', 1);
+
+        $this->column('id', 'ID');
+        $this->column('title', '分类名称');
+
+        $this->filter(function (Filter $filter) {
+            $filter->like('title', '分类名称');
+        });
+    }
+
+}

app/Helpers/function.php

@@ -40,7 +40,8 @@ function getOneCategory($categoryId, $return = '')
  */
 function getOneArticleBYCate($categoryId, $result = '')
 {
-    $info = Article::where('category_id', $categoryId)
+    $info = Article::where('status', 1)
+                   ->ByCategory($categoryId)
                    ->latest('sort')
                    ->latest()
                    ->first();
@@ -68,8 +69,8 @@ function getOneArticleBYCate($categoryId, $result = '')
  */
 function getArticlesBYCate($categoryId, $take)
 {
-    $articles = Article::where('category_id', $categoryId)
+    $articles = Article::where('status', 1)
-                       ->where('status', 1)
+                       ->ByCategory($categoryId)
                        ->latest('sort')
                        ->latest()
                        ->take($take)
@@ -186,8 +187,9 @@ function getArtilesByCates($cate_id, $take = 8)
                         ->pluck('id')
                         ->toArray();
 
-    return Article::whereIn('category_id', $cate_ids)
+    return Article::where('status', 1)
                   ->latest()
+                  ->ByCategory($cate_ids)
                   ->take($take)
                   ->get();
 }

app/Http/Controllers/ArticleController.php

@@ -12,7 +12,7 @@ class ArticleController extends Controller
     //文章列表
     public function index(Category $category)
     {
-        $articles = Article::where('category_id', $category->id)
+        $articles = Article::ByCategory($category->id)
                            ->orderBy('created_at', 'desc')
                            ->paginate(5);
 
@@ -26,15 +26,12 @@ class ArticleController extends Controller
             return redirect($article->url);
         }
 
-        $category = $article->category;
-
         $next = Article::where('id', '>', $article->id)
-                         ->where('category_id', $category->id)
+                       ->ByCategory($article->categories()->pluck('id'))
                        ->where('status', 1)
                        ->first();
-        $parent = getTopCate($category->id);
 
-        return view('articles.show', compact('article', 'category', 'next', 'parent'));
+        return view('articles.show', compact('article', 'next'));
     }
 
     //搜索

app/Http/Controllers/Auth/ConfirmPasswordController.php

@@ -1,40 +0,0 @@
-<?php
-
-namespace App\Http\Controllers\Auth;
-
-use App\Http\Controllers\Controller;
-use App\Providers\RouteServiceProvider;
-use Illuminate\Foundation\Auth\ConfirmsPasswords;
-
-class ConfirmPasswordController extends Controller
-{
-    /*
-    |--------------------------------------------------------------------------
-    | Confirm Password Controller
-    |--------------------------------------------------------------------------
-    |
-    | This controller is responsible for handling password confirmations and
-    | uses a simple trait to include the behavior. You're free to explore
-    | this trait and override any functions that require customization.
-    |
-    */
-
-    use ConfirmsPasswords;
-
-    /**
-     * Where to redirect users when the intended url fails.
-     *
-     * @var string
-     */
-    protected $redirectTo = RouteServiceProvider::HOME;
-
-    /**
-     * Create a new controller instance.
-     *
-     * @return void
-     */
-    public function __construct()
-    {
-        $this->middleware('auth');
-    }
-}

app/Http/Controllers/Auth/ForgotPasswordController.php

@@ -1,22 +0,0 @@
-<?php
-
-namespace App\Http\Controllers\Auth;
-
-use App\Http\Controllers\Controller;
-use Illuminate\Foundation\Auth\SendsPasswordResetEmails;
-
-class ForgotPasswordController extends Controller
-{
-    /*
-    |--------------------------------------------------------------------------
-    | Password Reset Controller
-    |--------------------------------------------------------------------------
-    |
-    | This controller is responsible for handling password reset emails and
-    | includes a trait which assists in sending these notifications from
-    | your application to your users. Feel free to explore this trait.
-    |
-    */
-
-    use SendsPasswordResetEmails;
-}

app/Http/Controllers/Auth/LoginController.php

@@ -1,40 +0,0 @@
-<?php
-
-namespace App\Http\Controllers\Auth;
-
-use App\Http\Controllers\Controller;
-use App\Providers\RouteServiceProvider;
-use Illuminate\Foundation\Auth\AuthenticatesUsers;
-
-class LoginController extends Controller
-{
-    /*
-    |--------------------------------------------------------------------------
-    | Login Controller
-    |--------------------------------------------------------------------------
-    |
-    | This controller handles authenticating users for the application and
-    | redirecting them to your home screen. The controller uses a trait
-    | to conveniently provide its functionality to your applications.
-    |
-    */
-
-    use AuthenticatesUsers;
-
-    /**
-     * Where to redirect users after login.
-     *
-     * @var string
-     */
-    protected $redirectTo = RouteServiceProvider::HOME;
-
-    /**
-     * Create a new controller instance.
-     *
-     * @return void
-     */
-    public function __construct()
-    {
-        $this->middleware('guest')->except('logout');
-    }
-}

app/Http/Controllers/Auth/RegisterController.php

@@ -1,73 +0,0 @@
-<?php
-
-namespace App\Http\Controllers\Auth;
-
-use App\Http\Controllers\Controller;
-use App\Providers\RouteServiceProvider;
-use App\User;
-use Illuminate\Foundation\Auth\RegistersUsers;
-use Illuminate\Support\Facades\Hash;
-use Illuminate\Support\Facades\Validator;
-
-class RegisterController extends Controller
-{
-    /*
-    |--------------------------------------------------------------------------
-    | Register Controller
-    |--------------------------------------------------------------------------
-    |
-    | This controller handles the registration of new users as well as their
-    | validation and creation. By default this controller uses a trait to
-    | provide this functionality without requiring any additional code.
-    |
-    */
-
-    use RegistersUsers;
-
-    /**
-     * Where to redirect users after registration.
-     *
-     * @var string
-     */
-    protected $redirectTo = RouteServiceProvider::HOME;
-
-    /**
-     * Create a new controller instance.
-     *
-     * @return void
-     */
-    public function __construct()
-    {
-        $this->middleware('guest');
-    }
-
-    /**
-     * Get a validator for an incoming registration request.
-     *
-     * @param  array  $data
-     * @return \Illuminate\Contracts\Validation\Validator
-     */
-    protected function validator(array $data)
-    {
-        return Validator::make($data, [
-            'name' => ['required', 'string', 'max:255'],
-            'email' => ['required', 'string', 'email', 'max:255', 'unique:users'],
-            'password' => ['required', 'string', 'min:8', 'confirmed'],
-        ]);
-    }
-
-    /**
-     * Create a new user instance after a valid registration.
-     *
-     * @param  array  $data
-     * @return \App\User
-     */
-    protected function create(array $data)
-    {
-        return User::create([
-            'name' => $data['name'],
-            'email' => $data['email'],
-            'password' => Hash::make($data['password']),
-        ]);
-    }
-}

app/Http/Controllers/Auth/ResetPasswordController.php

@@ -1,30 +0,0 @@
-<?php
-
-namespace App\Http\Controllers\Auth;
-
-use App\Http\Controllers\Controller;
-use App\Providers\RouteServiceProvider;
-use Illuminate\Foundation\Auth\ResetsPasswords;
-
-class ResetPasswordController extends Controller
-{
-    /*
-    |--------------------------------------------------------------------------
-    | Password Reset Controller
-    |--------------------------------------------------------------------------
-    |
-    | This controller is responsible for handling password reset requests
-    | and uses a simple trait to include this behavior. You're free to
-    | explore this trait and override any methods you wish to tweak.
-    |
-    */
-
-    use ResetsPasswords;
-
-    /**
-     * Where to redirect users after resetting their password.
-     *
-     * @var string
-     */
-    protected $redirectTo = RouteServiceProvider::HOME;
-}

app/Http/Controllers/Auth/VerificationController.php

@@ -1,42 +0,0 @@
-<?php
-
-namespace App\Http\Controllers\Auth;
-
-use App\Http\Controllers\Controller;
-use App\Providers\RouteServiceProvider;
-use Illuminate\Foundation\Auth\VerifiesEmails;
-
-class VerificationController extends Controller
-{
-    /*
-    |--------------------------------------------------------------------------
-    | Email Verification Controller
-    |--------------------------------------------------------------------------
-    |
-    | This controller is responsible for handling email verification for any
-    | user that recently registered with the application. Emails may also
-    | be re-sent if the user didn't receive the original email message.
-    |
-    */
-
-    use VerifiesEmails;
-
-    /**
-     * Where to redirect users after verification.
-     *
-     * @var string
-     */
-    protected $redirectTo = RouteServiceProvider::HOME;
-
-    /**
-     * Create a new controller instance.
-     *
-     * @return void
-     */
-    public function __construct()
-    {
-        $this->middleware('auth');
-        $this->middleware('signed')->only('verify');
-        $this->middleware('throttle:6,1')->only('verify', 'resend');
-    }
-}

app/Http/Controllers/CategoryController.php

@@ -45,8 +45,8 @@ class CategoryController extends Controller
                             ->pluck('id')
                             ->toArray();
 
-        $articles = Article::whereIn('category_id', $cate_ids)
+        $articles = Article::where('status', 1)
-                           ->where('status', 1)
+                           ->ByCategory($cate_ids)
                            ->latest('sort')
                            ->latest()
                            ->paginate($take);

app/Http/Controllers/IndexController.php

@@ -19,7 +19,7 @@ class IndexController extends Controller
     public function index()
     {
         $data = [
-            'ysxw'              => Article::where('category_id', 15)->latest('sort')->latest()->take(8)->get(),
+            'ysxw'              => Article::ByCategory(15)->latest('sort')->latest()->take(8)->get(),
             //            'kjcg'              => Article::where('category_id', 19)->latest('sort')->latest()->take(8)->get(),
             //            'lwzl'              => Patent::latest('sort')->latest()->take(11)->get(),
             'center_advert'     => Advert::latest('sort')->latest()->where('category_id', 23)->take(3)->get(),

app/Http/Controllers/TestController.php

@@ -2,6 +2,9 @@
 
 namespace App\Http\Controllers;
 
+use App\Models\Article;
+use App\Models\ArticleCategory;
+
 class TestController extends Controller
 {
 
@@ -10,4 +13,20 @@ class TestController extends Controller
 
     }
 
+    public function set_article_category()
+    {
+        $articles = Article::whereHas('category')
+                           ->chunk(200, function ($articles) {
+                               foreach ($articles as $article) {
+                                   ArticleCategory::create([
+                                       'article_id'  => $article->id,
+                                       'category_id' => $article->category_id,
+                                   ]);
+                               }
+                           });
+
+        return true;
+
+    }
+
 }

app/Models/Article.php

@@ -4,11 +4,12 @@ namespace App\Models;
 
 use App\Models\Traits\BelongsToCategory;
 use App\Models\Traits\HasOneCover;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 
 class Article extends Model
 {
 
-    use HasOneCover, BelongsToCategory;
+    use HasOneCover;
 
     const POSITION_A = 1;
     const POSITION_B = 2;
@@ -20,9 +21,40 @@ class Article extends Model
         self::POSITION_C => '科技成果',
     ];
 
-    public function getLinkAttribute()
+    public function getLinkAttribute(): string
     {
         return route('article.show', $this);
     }
 
+    /**
+     * Notes: 关联分类
+     * @Author: 玄尘
+     * @Date  : 2021/4/2 9:11
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
+     */
+    public function categories(): BelongsToMany
+    {
+        return $this->belongsToMany(Category::class)
+                    ->using(ArticleCategory::class);
+    }
+
+    /**
+     * Notes: description
+     * @Author: 玄尘
+     * @Date  : 2021/4/2 9:17
+     * @param $query
+     * @param $ids
+     * @return mixed
+     */
+    public function scopeByCategory($query, $ids)
+    {
+        if (!is_array($ids)) {
+            $ids = [$ids];
+        }
+
+        return $query->whereHas('categories', function ($q) use ($ids) {
+            $q->whereIN('id', $ids);
+        });
+    }
+
 }

app/Models/ArticleCategory.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Relations\Pivot;
+
+class ArticleCategory extends Pivot
+{
+
+    //
+}

app/Models/Category.php

@@ -6,6 +6,7 @@ use App\Models\Traits\HasOneCover;
 use Encore\Admin\Traits\AdminBuilder;
 use Encore\Admin\Traits\ModelTree;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
 class Category extends Model
@@ -44,7 +45,7 @@ class Category extends Model
                 return $this->hasOne(Article::class, 'id', 'article_id');
                 break;
             case self::TYPE_ARTICLE:
-                return $this->hasMany(Article::class);
+                return $this->belongsToMany(Article::class);
                 break;
             case self::TYPE_ADVERT:
                 return $this->hasMany(Advert::class);
@@ -64,4 +65,9 @@ class Category extends Model
         return $this->hasMany(__CLASS__, 'parent_id');
     }
 
+    public function articles(): BelongsToMany
+    {
+        return $this->belongsToMany(Article::class);
+    }
+
 }

database/migrations/2021_04_01_151442_create_article_categories_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateArticleCategoriesTable extends Migration
+{
+
+    /**
+     * Run the migrations.
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('article_category', function (Blueprint $table) {
+            $table->foreignId('article_id');
+            $table->foreignId('category_id');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('article_categories');
+    }
+
+}

resources/views/articles/show.blade.php

@@ -8,9 +8,9 @@
     <div class="container details">
         <!-- 文章标题 -->
         <h3 class="details-title">{{ $article->title }}</h3>
-        @if (in_array($parent->id,config('app.show_time')))
+        {{--        @if (in_array($parent->id,config('app.show_time')))--}}
         <p class="details-time">{{ $article->created_at }}</p>
-        @endif
+        {{--        @endif--}}
     <!-- 文章详情 -->
         <div class="details-content">
             {{--            <img src="{{ $article->cover_path }}">--}}

routes/web.php

@@ -22,7 +22,4 @@ Route::get('patents/{patent}/show', 'PatentController@show')->name('patents.show
 Route::get('patents/list', 'PatentController@list')->name('patents.list');
 
 //以下为导入数据
-Route::get('test/set_category', 'TestController@set_category');
+Route::get('test/set_article_category', 'TestController@set_article_category');
-Route::get('test/set_article', 'TestController@set_article');
-Route::get('test/set_cate_article', 'TestController@setCateArticle');
-Route::get('test/check_article', 'TestController@checkArticle');