thinkPHP5.1框架中Request类四种调用方式示例

<?php
/
  Created by PhpStorm.
  User: 10475
  Date: 2018/8/27
  Time: 22:59
 /
namespace app\demo\controller;
use think\Request;
class Demo3
{
  public function test()
  {
    $request = new Request();
    dump($request->get());
  }
}

<?php
/
  Created by PhpStorm.
  User: 10475
  Date: 2018/8/27
  Time: 22:59
 /
namespace app\demo\controller;
use think\Facade\Request;
class Demo3
{
  public function test()
  {
    dump(Request::get());
  }
}

<?php
/
  Created by PhpStorm.
  User: 10475
  Date: 2018/8/27
  Time: 22:59
 /
namespace app\demo\controller;
use think\Request;
class Demo3
{
  public function test(Request $request)
  {
    dump($request->get());
  }
}

<?php
/
  Created by PhpStorm.
  User: 10475
  Date: 2018/8/27
  Time: 22:59
 /
namespace app\demo\controller;
class Demo3 extends \think\Controller
{
   public function test()
   {
     dump($this->request->get());
   }
}