另一個方式是用model::create的方法去寫入資料庫

Controller

app\Http\Controllers\TodoController.php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Posts;

class TodoController extends Controller
{
    public function index()
    {
        return view('todo.index');
    }

    public function update(Request $request)
    {
        // $posts = new Posts();
        // $posts->post_name = $request->post_name;
        // $posts->save();

        $obj = Posts::create([
            'post_name' => $request->post_name
        ]);

        return $obj;
    }
}

要注意的是要在Model新增 fillable的欄位，這樣才可以寫入，也就是它會做一個防範，如果你沒有給它設定說這個欄位是可以這樣直接寫入的，它就會擋掉

Model

app\Posts.php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Posts extends Model
{
    protected $fillable = [
        'post_name'
    ];
}