Php Laravel雄辩的保存关系模型失败
我有一门拉威尔口才班Php Laravel雄辩的保存关系模型失败,php,laravel,eloquent,relational-database,Php,Laravel,Eloquent,Relational Database,我有一门拉威尔口才班拼贴 class Collage extends Model { /** * Get the User that owns this Collage. */ public function user() { return $this->belongsTo('App\User'); } } 拼贴迁移模式 Schema::create('collages', function (Blueprint $t
拼贴
class Collage extends Model
{
/**
* Get the User that owns this Collage.
*/
public function user()
{
return $this->belongsTo('App\User');
}
}
拼贴迁移模式
Schema::create('collages', function (Blueprint $table) {
$table->increments('id');
$table->integer('user_id')->unsigned();
$table->string('name')->nullable();
$table->timestamps();
});
和用户
class User extends Authenticatable
{
/**
* Get all Collages that belongs to this User.
*/
public function collages()
{
return $this->hasMany('App\Collage');
}
}
但是当我在tinker上做这个的时候
$user = App\User::find(1)->first();
$collage = new App\Collage;
$collage->name = 'Collage';
$collage->user = $user;
//and save
$collage->save();
向我抛出错误QueryException
General error: 1 table collages has no column named user
更新您的模式以建立关系
Schema::create('collages', function (Blueprint $table) {
$table->increments('id');
$table->integer('user_id')->unsigned();
$table->foreign('user_id')->references('id')->on('users');
$table->string('name')->nullable();
$table->timestamps();
});
这样,Laravel Eloquent将自动引用关系。更改
$collage->user = $user
至
$collage->user_id = $user->id
似乎你想在拼贴中添加新用户?不,我只是想在拼贴中添加用户id(拥有此拼贴的人)。我认为,从我看到的情况来看,你需要更改关系(我假设你的列):
$this->hasMany('App\user','user\u id','id')
和返回$this->hasMany('App\Collage','id','user\u id')代码>是的,我添加了这一行,但仍然是一样的,我使用sqlite,可能是sqlite导致的吗?