CakePHP：验证消息未显示

Question

I'm new to cakePHP and I've made a simple form following some tutorial. On this html form I've used validation. Now the problem is that the validation is working but the message is not displaying what I want it to display. I tried the code below.

Model

 public $validate = array(
        'title' => array(
            'title_required' => array(
                'rule' => 'notEmpty',
                'message' => 'This is required field'
            ),
            'title_unique' => array(
                'rule' => 'isUnique',
                'message' => 'This should be unique title'
            )
        )
    );

Controller

public function add() {
        if ($this->request->data) {
            if ($this->Post->save($this->request->data)) {
                $this->Session->setFlash('Post has been added successfully');
                $this->redirect(array('action' => 'index'));
            } else {
                $this->Session->setFlash('Error occured, Please try agan later!');
            }
        }
    }

View

<h2>Add New Post</h2>
<?php
echo $this->Form->create('Post', array('action'=>'add'));
echo $this->Form->input('title');
echo $this->Form->input('body');
echo $this->Form->end('Create Post');
?>

The validation error which I've seen is not the message I mentioned in my controller.

Answer 1

That's built-in browser validation.

Since 2.3 the HTML5 required attribute will also be added to the input based on validation rules.

Your title has the notEmpty rule, so Cake is outputting

<input type="text" required="required" ..

and your browser is triggering that message.

Edit: to override this behaviour, you can do:

$this->Form->input('title', array('required'=>false));

or

$this->Form->submit('Submit', array('formnovalidate' => true));

When you submit the form, your model validation will fire.