填充用户和话题数据

database/factories/TopicFactory.php

@@ -3,7 +3,20 @@
 use Faker\Generator as Faker;
 
 $factory->define(App\Models\Topic::class, function (Faker $faker) {
+
+    $sentence = $faker->sentence();
+
+    // 随机取一个月以内的时间
+    $updated_at = $faker->dateTimeThisMonth();
+
+    // 传参为生成最大时间不超过，因为创建时间需永远比更改时间要早
+    $created_at = $faker->dateTimeThisMonth($updated_at);
+
     return [
-        // 'name' => $faker->name,
+        'title' => $sentence,
+        'body' => $faker->text(),
+        'excerpt' => $sentence,
+        'created_at' => $created_at,
+        'updated_at' => $updated_at,
     ];
 });

database/factories/UserFactory.php

@@ -1,27 +1,18 @@
 <?php
 
-/** @var \Illuminate\Database\Eloquent\Factory $factory */
-use App\Models\User;
-use Faker\Generator as Faker;
 use Illuminate\Support\Str;
+use Faker\Generator as Faker;
 
-/*
-|--------------------------------------------------------------------------
-| Model Factories
-|--------------------------------------------------------------------------
-|
-| This directory should contain each of the model factory definitions for
-| your application. Factories provide a convenient way to generate new
-| model instances for testing / seeding your application's database.
-|
-*/
-
-$factory->define(User::class, function (Faker $faker) {
+$factory->define(App\Models\User::class, function (Faker $faker) {
+    $date_time = $faker->date . ' ' . $faker->time;
     return [
         'name' => $faker->name,
         'email' => $faker->unique()->safeEmail,
-        'email_verified_at' => now(),
-        'password' => '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi', // password
         'remember_token' => Str::random(10),
+        'email_verified_at' => now(),
+        'password' => '$2y$10$TKh8H1.PfQx37YgCzwiKb.KjNyWgaHb9cbcoQgdIVFlYg7B77UdFm', // secret
+        'introduction' => $faker->sentence(),
+        'created_at' => $date_time,
+        'updated_at' => $date_time,
     ];
 });

database/seeds/DatabaseSeeder.php

@@ -11,7 +11,7 @@ class DatabaseSeeder extends Seeder
      */
     public function run()
     {
-        // $this->call(UsersTableSeeder::class);
+        $this->call(UsersTableSeeder::class);
 		$this->call(TopicsTableSeeder::class);
     }
 }

database/seeds/TopicsTableSeeder.php

@@ -2,19 +2,36 @@
 
 use Illuminate\Database\Seeder;
 use App\Models\Topic;
+use App\Models\User;
+use App\Models\Category;
 
 class TopicsTableSeeder extends Seeder
 {
     public function run()
     {
-        $topics = factory(Topic::class)->times(50)->make()->each(function ($topic, $index) {
-            if ($index == 0) {
-                // $topic->field = 'value';
-            }
+        // 所有用户 ID 数组，如：[1,2,3,4]
+        $user_ids = User::all()->pluck('id')->toArray();
+
+        // 所有分类 ID 数组，如：[1,2,3,4]
+        $category_ids = Category::all()->pluck('id')->toArray();
+
+        // 获取 Faker 实例
+        $faker = app(Faker\Generator::class);
+
+        $topics = factory(Topic::class)
+                        ->times(100)
+                        ->make()
+                        ->each(function ($topic, $index)
+                            use ($user_ids, $category_ids, $faker)
+        {
+            // 从用户 ID 数组中随机取出一个并赋值
+            $topic->user_id = $faker->randomElement($user_ids);
+
+            // 话题分类，同上
+            $topic->category_id = $faker->randomElement($category_ids);
         });
 
+        // 将数据集合转换为数组，并插入到数据库中
         Topic::insert($topics->toArray());
     }
-
 }
-

database/seeds/UsersTableSeeder.php

@@ -0,0 +1,48 @@
+<?php
+
+use Illuminate\Database\Seeder;
+use App\Models\User;
+
+class UsersTableSeeder extends Seeder
+{
+    public function run()
+    {
+        // 获取 Faker 实例
+        $faker = app(Faker\Generator::class);
+
+        // 头像假数据
+        $avatars = [
+            'https://cdn.learnku.com/uploads/images/201710/14/1/s5ehp11z6s.png',
+            'https://cdn.learnku.com/uploads/images/201710/14/1/Lhd1SHqu86.png',
+            'https://cdn.learnku.com/uploads/images/201710/14/1/LOnMrqbHJn.png',
+            'https://cdn.learnku.com/uploads/images/201710/14/1/xAuDMxteQy.png',
+            'https://cdn.learnku.com/uploads/images/201710/14/1/ZqM7iaP4CR.png',
+            'https://cdn.learnku.com/uploads/images/201710/14/1/NDnzMutoxX.png',
+        ];
+
+        // 生成数据集合
+        $users = factory(User::class)
+                        ->times(10)
+                        ->make()
+                        ->each(function ($user, $index)
+                            use ($faker, $avatars)
+        {
+            // 从头像数组中随机取出一个并赋值
+            $user->avatar = $faker->randomElement($avatars);
+        });
+
+        // 让隐藏字段可见，并将数据集合转换为数组
+        $user_array = $users->makeVisible(['password', 'remember_token'])->toArray();
+
+        // 插入到数据库中
+        User::insert($user_array);
+
+        // 单独处理第一个用户的数据
+        $user = User::find(1);
+        $user->name = 'Summer';
+        $user->email = '[email protected]';
+        $user->avatar = 'https://cdn.learnku.com/uploads/images/201710/14/1/ZqM7iaP4CR.png';
+        $user->save();
+
+    }
+}