Laravel5.1 框架模型一对一关系实现与使用方法实例分析

php artisan make:model UserInfo -m

  public function up()
  {
    Schema::create('user_infos', function (Blueprint $table) {
      $table->increments('id');
      $table->string('name');
      $table->string('phone_number');     // 手机号
      $table->timestamps();
    });
  }

// user_info
$factory->define(App\UserInfo::class, function (Faker\Generator $faker) {
  return [
    'name' => $faker->name,
    'phone_number' => $faker->phoneNumber,
  ];
});

php artisan make:seeder UserInfoSeeder

  public function run()
  {
    factory(\App\UserInfo::class, 10)->create();
  }
  public function run()
  {
    Model::unguard();
    $this->call('UserInfoSeeder');
    Model::reguard();
  }

php artisan migrate:seeder 

  public function up()
  {
    Schema::create('accounts', function (Blueprint $table) {
      $table->increments('id');
      $table->string('user_name');    // 用户名
      $table->integer('user_info_id');  // 关联键
      $table->timestamps();
    });
  }
 

  public function user()
  {
    return $this->belongsTo(UserInfo::class, 'user_info_id', 'id');
  }

  public function account()
  {
    return $this->hasOne(Account::class);
  }

//  $account = App\Account::find(1);
//  dd($account->user);
  $userInfo = App\UserInfo::find(1);
  dd($userInfo->account);