php - Laravel - 如何找到外键值
问题描述
第一次使用 Laravel 和 PHP。我试图在表配置文件中插入行,其中属性 uID 是引用用户表上 uID 的外键,但出现错误。如何仅插入配置文件的摘要属性并自动设置 uID(外键)。我可以毫无问题地插入具有 uID 的用户。这是我的模型和控制器文件。谢谢!
用户模型
namespace App;
use Illuminate\Database\Eloquent\Model;
class user extends Model
{
// specify which attributes can be filled out during registration
public $timestamps = false;
protected $fillable=['firstname','lastname','email','password',];
public function profile(){
return $this->hasOne(profile::class);
}
}
轮廓模型
namespace App;
use Illuminate\Database\Eloquent\Model;
class profile extends Model
{
//
public $timestamps = false;
protected $fillable = ['summary',];
public function user(){
return $this->belongsTo(user::class);
}
}
配置文件迁移
use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;
class CreateProfilesTable extends Migration
{
/**
* Run the migrations.
*
* @return void
*/
public function up()
{
// create profile table
Schema::create('profiles', function (Blueprint $table) {
$table->increments('pID');
$table->timestamp('created_at')->useCurrent();
$table->string('summary')->default('');
$table->unsignedInteger('uID');
$table->foreign('uID')->references('uID')->on('users')->onDelete('cascade');
});
}
}
配置文件控制器
namespace App\Http\Controllers;
use Illuminate\Http\Request;
use App\profile;
class ProfileController extends Controller
{
public function create()
{
//
return view('profile.create');
}
/**
* Store a newly created resource in storage.
*
* @param \Illuminate\Http\Request $request
* @return \Illuminate\Http\Response
*/
public function store(Request $request)
{
// used to store user profile after validation
$this->validate($request,[
'summary' => 'required'
]);
$profile = new profile([
'summary' => $request->get('summary'),
'uID' => $request->user()->uID
]);
return redirect()->route('profile.create')->with('success','Profile created');
}
}
解决方案
推荐阅读
- vb.net - 如何重复以消息框结尾的计时器?
- c++ - 如何从另一个方法分配给结构指针
- java - 在 NodeJs 中使用私钥进行 RSA 解密
- mysql - 是否可以将自动增量值限制为某个数字
- flutter - 停止显示来自 HTTP 或 DIO 请求的错误
- php - PHP cURL GET 对 REST API 的请求不返回任何内容
- php - 使用 pdf.js 查看生成的 base64 PDf 文件?
- amazon-web-services - AWS 上的 Web 应用程序部署
- flutter - Flutter 中的可扩展 ListView / 动态 TreeView
- automated-tests - 空手道 - 如何在深层跨度标签中匹配测试