jquery Form Verification Plug-in Usage Example _php instance in Yii framework

The example in this article describes the jquery form validation plug-in usage in the YII framework. Share to everyone for your reference, specific as follows:

The Operation effect chart is as follows:

View Layer:

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">  

Controller (Validation uniqueness):

Verify name Uniqueness public
function actiononly () {
  $u _name=yii:: $app->request->get (' u_name ');
  $login =yii:: $app->db;
  Query data
  $sql = "SELECT * from login where u_name= ' $u _name '";
  $res = $login->createcommand ($sql)->execute ();
  if ($res)
  {
    echo false;
  }
  else
  {
    echo true;
  }
}

For more information on YII-related content, readers who are interested in this site can view the topics: Introduction to YII Framework and summary of common skills, "Summary of PHP Excellent development framework", "Smarty Template Introductory Course", "Introduction to PHP object-oriented programming", "PHP string" Summary of Usage , "Php+mysql Database operation Introduction Tutorial" and "PHP common database Operation Skills Summary"

I hope this article will help you with the PHP program design based on the YII framework.