TP5 프레임 워 크 단순 로그 인 기능 구현 방법 예시

public function login()
{
    if(request()->isGet()){
      return view('login');
    }elseif(request()->isPost()){
      $model = new InfoModel(); 
      $name = input('name'); //         
      $pwd = input('password');//         
      if($model->LoginVerify($name,$pwd)){
        $verify = input('code'); //       
        $cap = new Captcha(); //       
        if($cap->check($verify)){
          $this->success('    ','admin/ShowIndex');//        
          /*echo '    ';*/
        }else{
          $this->error('     ','admin/admin/login');
        }
      }
    }
}

<div class="form-group">
    <div class="field field-icon-right">
      <input type="password" class="input input-big" name="password" placeholder="    " data-validate="required:     " />
      <span class="icon icon-key margin-small"></span>
    </div>
  </div>
  <div class="form-group">
    <div class="field">
      <input type="text" class="input input-big" name="code" placeholder="        " data-validate="required:         " />
      <img src="{:captcha_src()}" alt="" width="150" height="32" class="passcode" style="height:43px;cursor:pointer;" οnclick="this.src=this.src+'?'"> 
    </div>
</div>

<?php
namespace app\admin\model;
use think\Model;
class Info extends Model
{
#    
  public function LoginVerify($name,$pwd)
  {
    //$re = $this->where(["username =>'$name',pwd=>'$pwd'"])->find();
    $re = $this->where("username='$name' and pwd='$pwd'")->find();
    if($re){
      return $re;
    }else{
      return null;
    }
  }
}