我在项目中使用Laravel 5.8。我正在测试Laravel关系，但是在手工艺匠中，当我请求它提供给我一个null模型中与{{1 }}模型，而地址属性在relation模型中。
模型文件：App \ relation
RelationCreatewth模型文件：App \ relationCreatewth
RelationCreatewth以下是迁移文件：
迁移文件：2019_12_02_081558_create_relations_table
<?php
namespace App;
use App\RelationCreatewth;
use Illuminate\Database\Eloquent\Model;
class relation extends Model
{
protected $guarded=[];
public function Relation()
{
return $this->hasOne('RelationCreatewth','user_id','id');
}
}
迁移文件：2019_12_02_083259_create_relation_createwths_table
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
use App\Relation;
class relationCreatewth extends Model
{
protected $guarded=[];
public function relWith()
{
return $this->belongsTo('App\Relation');
}
}
在 <?php
use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;
class CreateRelationsTable extends Migration
{
/**
* Run the migrations.
*
* @return void
*/
public function up()
{
Schema::create('relations', function (Blueprint $table) {
$table->bigIncrements('id');
$table->string('name');
$table->integer('Roll no');
$table->integer('mobile');
$table->timestamps();
});
}
/**
* Reverse the migrations.
*
* @return void
*/
public function down()
{
Schema::dropIfExists('relations');
}
}
中：
<?php
use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;
class CreateRelationCreatewthsTable extends Migration
{
/**
* Run the migrations.
*
* @return void
*/
public function up()
{
Schema::create('relation_createwths', function (Blueprint $table) {
$table->bigIncrements('id');
$table->integer('user_id');
$table->string('address');
$table->timestamps();
});
}
/**
* Reverse the migrations.
*
* @return void
*/
public function down()
{
Schema::dropIfExists('relation_createwths');
}
}