针对上一节的表单添加验证功能

File：plugins\raiseinfo\contact\components\ContactForm.phpuse Illuminate\Support\Facades\Validator;use Illuminate\Support\Facades\Redirect;...public function onSend()    {        $validator = Validator::make(            [                'name' => Input::get('name'),                'email' => Input::get('email')            ],            [                'name' => 'required|min:5',                'email' => 'required|email'            ]        );        if($validator->fails()){            return Redirect::back()->withErrors($validator);        }else{            $vars = [                'name' => Input::get('name'),                'email' => Input::get('email'),                'content' => Input::get('content')            ];            // views/mail/message/htm            Mail::send('raiseinfo.contact::mail.message', $vars, function($message) {                $message->to('tian5258@gmail.com', 'Admin Person');                $message->subject('从联系人表单提交的邮件');            });        }    }

显示错误信息

File:plugins\raiseinfo\contact\components\contactform\default.htm
    
    
     姓名：    
         {
   { errors.first('name') }}    
     邮件地址：    
         {
   { errors.first('email') }}    
     信息：    
         
     发送    
     
              {% for error in errors.all() %}            
      
{
   { error }}
        {% endfor %}