$ php artisan make:model Models/Issue

class Issue extends Model

{
　　
　　//指定表名
　　protected $table = 'article2';

　　//指定主键
　　protected $primaryKey = 'article_id';
　　
　　
　　//是否开启时间戳
　　protected $timestamps = false;

　　//设置时间戳格式为Unix
　　protected $dateFormat = 'U';
　　
　　//过滤字段，只有包含的字段才能被更新
　　protected $fillable = ['title','content'];

　　//隐藏字段
　　protected $hidden = ['password'];

}

class Issue extends Model

{

    protected $fillable = ['title'];

}

$ php artisan tinker

use App\Models\Issue

Issue::create(['title' => 'PHP Lover'])

Issue::create(['title' => 'Rails and Laravel'])

Issue::all()

use App\Models\Issue;

$issues = Issue::orderBy('created_at', 'desc')

    ->take()

    ->get();

use App\Models\Issue;

Issue::create($request->all());

use App\Models\Issue;

Issue::destroy($id);

use App\Models\Issue;

$issue = Issue::find($id);

$issue->update($request->all());