feat: 完成仿简书项目的学习，还有几个 bug 留待修复

app/Admin/Controllers/NoticeController.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Admin\Controllers;
+
+class NoticeController extends Controller
+{
+    public function index()
+    {
+        $notices = \App\Notice::all();
+        return view('admin/notice/index', compact('notices'));
+    }
+
+    public function create()
+    {
+        return view('admin/notice/create');
+    }
+
+    public function store()
+    {
+        $this->validate(request(), [
+            'title' => 'required|string',
+            'content' => 'required|string'
+        ]);
+
+        $notice = \App\Notice::create(request(['title', 'content']));
+        dispatch(new \App\Jobs\SendMessage($notice));
+
+        return redirect("/admin/notices");
+    }
+}

app/Http/Controllers/NoticeController.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Topic;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\App;
+
+class NoticeController extends Controller
+{
+    public function index()
+    {
+        // 获取当前用户
+        $user = \Auth::user();
+        $notices = $user->notices;
+
+        return view('notice/index', compact('notices'));
+    }
+}

app/Jobs/SendMessage.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Jobs;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Queue\SerializesModels;
+use Illuminate\Queue\InteractsWithQueue;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Foundation\Bus\Dispatchable;
+
+class SendMessage implements ShouldQueue
+{
+    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
+
+    private $notice;
+
+    /**
+     * Create a new job instance.
+     *
+     * @return void
+     */
+    public function __construct(\App\Notice $notice)
+    {
+        //
+        $this->notice = $notice;
+    }
+
+    /**
+     * Execute the job.
+     *
+     * @return void
+     */
+    public function handle()
+    {
+        // 通知每个用户系统消息
+        $users = \App\User::all();
+        foreach ($users as $user) {
+            $user->addNotice($this->notice);
+        }
+    }
+}

app/Notice.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App;
+
+use App\Model;
+
+class Notice extends Model
+{
+    //
+}

app/User.php

@@ -49,4 +49,17 @@ public function hasStar($uid)
     {
         return $this->stars()->where('star_id', $uid)->count();
     }
+
+    // 用户收到的通知
+    public function notices()
+    {
+        return $this->belongsToMany(\App\Notice::class, 'user_notice', 'user_id'
+            , 'notice_id')->withPivot(['user_id', 'notice_id']);
+    }
+
+    // 给用户增加通知
+    public function addNotice($notice)
+    {
+        return $this->notices()->save($notice);
+    }
 }

database/migrations/2019_11_04_110156_create_notice_table.php

@@ -0,0 +1,42 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateNoticeTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        //
+        Schema::create('notices', function (Blueprint $table) {
+            $table->increments('id');
+            $table->string('title', 50)->default("");
+            $table->string('content', 1000)->default("");
+            $table->timestamps();
+        });
+
+        Schema::create('user_notice', function (Blueprint $table) {
+            $table->increments('id');
+            $table->integer('user_id')->default(0);
+            $table->integer('notice_id')->default(0);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        //
+        Schema::dropIfExists('notices');
+        Schema::dropIfExists('user_notice');
+    }
+}

database/migrations/2019_11_04_140746_create_jobs_table.php

@@ -0,0 +1,38 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateJobsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('jobs', function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->string('queue');
+            $table->longText('payload');
+            $table->unsignedTinyInteger('attempts');
+            $table->unsignedInteger('reserved_at')->nullable();
+            $table->unsignedInteger('available_at');
+            $table->unsignedInteger('created_at');
+
+            $table->index(['queue', 'reserved_at']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('jobs');
+    }
+}

resources/views/admin/notice/create.blade.php

@@ -0,0 +1,42 @@
+@extends("admin.layout.main")
+
+@section("content")
+    <!-- Main content -->
+    <section class="content">
+        <!-- Small boxes (Stat box) -->
+        <div class="row">
+            <div class="col-lg-10 col-xs-6">
+                <div class="box">
+
+                    <!-- /.box-header -->
+                    <div class="box box-primary">
+                        <div class="box-header with-border">
+                            <h3 class="box-title">增加通知</h3>
+                        </div>
+                        <!-- /.box-header -->
+                        <!-- form start -->
+                        <form role="form" action="/admin/notices" method="POST">
+                            {{csrf_field()}}
+                            <div class="box-body">
+                                <div class="form-group">
+                                    <label for="exampleInputEmail1">标题</label>
+                                    <input type="text" class="form-control" name="title">
+                                </div>
+                            </div>
+                            <div class="box-body">
+                                <div class="form-group">
+                                    <label for="exampleInputEmail1">内容</label>
+                                    <textarea class="form-control" name="content"></textarea>
+                                </div>
+                            </div>
+                            <!-- /.box-body -->
+                            <div class="box-footer">
+                                <button type="submit" class="btn btn-primary">提交</button>
+                            </div>
+                        </form>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </section>
+@endsection

resources/views/admin/notice/index.blade.php

@@ -0,0 +1,39 @@
+@extends('admin.layout.main')
+@section("content")
+
+    <!-- Main content -->
+    <section class="content">
+        <!-- Small boxes (Stat box) -->
+        <div class="row">
+            <div class="col-lg-10 col-xs-6">
+                <div class="box">
+
+                    <div class="box-header with-border">
+                        <h3 class="box-title">通知列表</h3>
+                    </div>
+                    <a type="button" class="btn " href="/admin/notices/create">增加通知</a>
+                    <!-- /.box-header -->
+                    <div class="box-body">
+                        <table class="table table-bordered">
+                            <tbody>
+                            <tr>
+                                <th style="width: 10px">#</th>
+                                <th>通知名称</th>
+                                <th>操作</th>
+                            </tr>
+                            @foreach($notices as $notice)
+                                <tr>
+                                    <td>{{$notice->id}}</td>
+                                    <td>{{$notice->title}}</td>
+                                    <td></td>
+                                </tr>
+                            @endforeach
+                            </tbody>
+                        </table>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </section>
+    <!-- /.content -->
+@endsection

resources/views/notice/index.blade.php

@@ -0,0 +1,16 @@
+@extends("layout.main")
+
+@section("content")
+
+    <div class="col-sm-8 blog-main">
+        @foreach($notices as $notice)
+            <div class="blog-post">
+                <p class="blog-post-meta">{{$notice->title}}</p>
+
+                <p>{{$notice->content}}</p>
+            </div>
+        @endforeach
+    </div><!-- /.blog-main -->
+
+
+@endsection

routes/admin.php

@@ -47,5 +47,10 @@
             Route::resource('topics', '\App\Admin\Controllers\TopicController', ['only' => ['index', 'create'
                 , 'store', 'destroy']]);
         });
+
+        Route::group(['middleware' => 'can:notice'], function () {
+            Route::resource('notices', '\App\Admin\Controllers\NoticeController', ['only' => ['index', 'create'
+                , 'store']]);
+        });
     });
 });

routes/web.php

@@ -60,6 +60,9 @@
 // 投稿
 Route::post('/topic/{topic}/submit', '\App\Http\Controllers\TopicController@submit');
 
+// 通知
+Route::get('/notices', '\App\Http\Controllers\NoticeController@index');
+
 include_once('admin.php');