blocks|key|422575|text|没有用于验证复选框的特殊规则。您要做的是验证字段在create上是否为notEmpty：-|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|422576|$validator
++++->requirePresence('accept_terms')
++++->notEmpty('accept_terms',+'You+must+agree+to+the+terms',+'create');|code-block|syntax|javascript|422577|这可以在official+docs+on+Validation中找到。可用验证规则的完整列表可以是found+in+the+API+docs。|422578|entityMap|0|LINK|mutability|MUTABLE|url|http://book.cakephp.org/3.0/en/core-libraries/validation.html#allowing-empty-fields|1|http://api.cakephp.org/3.0/class-Cake.Validation.Validation.html^0|P|6|Z|8|0|0|4|R|0|1D|L|1|0^^$0|@$1|2|3|4|5|6|7|W|8|@$9|X|A|Y|B|C]|$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|11|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|12|8|@]|D|@$9|13|A|14|1|15]|$9|16|A|17|1|18]]|E|$]]|$1|M|3|-4|5|6|7|19|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]|U|$5|P|Q|R|E|$S|V]]]]

There is no special rule for validating a checkbox. What you want to do is validate that the field is <code>notEmpty</code> on <code>create</code>:-

<pre><code>$validator
 -&gt;requirePresence('accept_terms')
 -&gt;notEmpty('accept_terms', 'You must agree to the terms', 'create');
</code></pre>

This can be found in the <a href="http://book.cakephp.org/3.0/en/core-libraries/validation.html#allowing-empty-fields" rel="nofollow">official docs on Validation</a>. The full list of available validation rules can be <a href="http://api.cakephp.org/3.0/class-Cake.Validation.Validation.html" rel="nofollow">found in the API docs</a>.

blocks|key|811831|text|您可以使用自定义方法来验证您的复选框。我真的喜欢这样。这对我来说是可以的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|811832|+public+function+validationBooking(Validator+$validator)
++++{

++++++++$validator->add('accept_terms',+'custom',+[
++++++++++++'rule'+=>+[$this,+'AcceptTerm'],
++++++++++++'message'+=>+'You+must+agreed+Term+and+Condition'
++++++++]);
++++++++return+$validator;
++++}
++++++++//make+function
++++++++public+function+AcceptTerm($value,$context){
++++++++++++++++if($context['data']['accept_terms']==1)
++++++++++++++++++++return+true;
++++++++++++++++else
++++++++++++++++++++return+false;
++++++++++++}|code-block|syntax|javascript|811833|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

You can make with custom method to make validate for your checkbox. I do like this. This is ok to me. 

<pre><code> public function validationBooking(Validator $validator)
 {

 $validator-&gt;add('accept_terms', 'custom', [
 'rule' =&gt; [$this, 'AcceptTerm'],
 'message' =&gt; 'You must agreed Term and Condition'
 ]);
 return $validator;
 }
 //make function
 public function AcceptTerm($value,$context){
 if($context['data']['accept_terms']==1)
 return true;
 else
 return false;
 }
</code></pre>

blocks|key|805618|text|您可以通过requirePresence-Validation-Method检查是否选中了复选框。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|805619|在您的模型中：|805620|$validator
++++++++->boolean('accept_legalnotice')
++++++++->requirePresence('accept_legalnotice',+true,+'You+have+to+accept.');|code-block|syntax|javascript|805621|要完成此工作，您需要禁用由form-helper生成的复选框的隐藏字段。|805622|在您的视图中：|805623|echo+$this->Form->checkbox('accept_legalnotice',+['hiddenField'+=>+false]);|805624|https://book.cakephp.org/3.0/en/views/helpers/form.html#options-for-select-checkbox-and-radio-controls|805625|entityMap|0|LINK|mutability|MUTABLE|url^0|5|F|0|0|0|0|0|0|0|2U|0|0^^$0|@$1|2|3|4|5|6|7|11|8|@$9|12|A|13|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|14|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|15|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|16|8|@]|D|@]|E|$]]|$1|O|3|P|5|6|7|17|8|@]|D|@]|E|$]]|$1|Q|3|R|5|J|7|18|8|@]|D|@]|E|$K|L]]|$1|S|3|T|5|6|7|19|8|@]|D|@$9|1A|A|1B|1|1C]]|E|$]]|$1|U|3|-4|5|6|7|1D|8|@]|D|@]|E|$]]]|V|$W|$5|X|Y|Z|E|$10|T]]]]

You can check if a checkbox is checked via the <code>requirePresence</code>-Validation-Method.

In your model:

<pre><code>$validator
 -&gt;boolean('accept_legalnotice')
 -&gt;requirePresence('accept_legalnotice', true, 'You have to accept.');
</code></pre>

To get this work, you need to disable the hidden field for the checkbox that is generated by the form-helper.

In your view:

<pre><code>echo $this-&gt;Form-&gt;checkbox('accept_legalnotice', ['hiddenField' =&gt; false]);
</code></pre>

<a href="https://book.cakephp.org/3.0/en/views/helpers/form.html#options-for-select-checkbox-and-radio-controls" rel="nofollow noreferrer">https://book.cakephp.org/3.0/en/views/helpers/form.html#options-for-select-checkbox-and-radio-controls</a>

blocks|key|4203760|text|在CakePHP+3.x中|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4203761|表单|offset|length|style|BOLD|4203762|<?=+$this->Form->create($user)+?>
<?=+$this->Form->control('username');+?>
<?=+$this->Form->control('password');+?>
...
<?=+$this->Form->control('term_and_conditions');+?>
<?=+$this->Form->submit(__('Save'));+?>
<?=+$this->Form->end();+?>|code-block|syntax|javascript|4203763|模型：验证器：：equals($field，$value，$message+=+null，$when+=+null)允许您检查是否选中了某个复选框|4203764|public+function+validationDefault(Validator+$validator)
{
++++...
++++$validator
++++++++->boolean('term_and_conditions')
++++++++->requirePresence('term_and_conditions',+'create')
++++++++->equals('term_and_conditions',+true);
++++...

++++return+$validator;
}|4203765|entityMap^0|0|0|2|0|0|0|1M|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@$D|U|E|V|F|G]]|9|@]|A|$]]|$1|H|3|I|5|J|7|W|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|X|8|@$D|Y|E|Z|F|G]]|9|@]|A|$]]|$1|O|3|P|5|J|7|10|8|@]|9|@]|A|$K|L]]|$1|Q|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|R|$]]

In CakePHP 3.x

Form

<pre><code>&lt;?= $this-&gt;Form-&gt;create($user) ?&gt;
&lt;?= $this-&gt;Form-&gt;control('username'); ?&gt;
&lt;?= $this-&gt;Form-&gt;control('password'); ?&gt;
...
&lt;?= $this-&gt;Form-&gt;control('term_and_conditions'); ?&gt;
&lt;?= $this-&gt;Form-&gt;submit(__('Save')); ?&gt;
&lt;?= $this-&gt;Form-&gt;end(); ?&gt;
</code></pre>

Model: the Validator::equals($field, $value, $message = null, $when = null) allows you to check if a checkbox is checked

<pre><code>public function validationDefault(Validator $validator)
{
 ...
 $validator
 -&gt;boolean('term_and_conditions')
 -&gt;requirePresence('term_and_conditions', 'create')
 -&gt;equals('term_and_conditions', true);
 ...

 return $validator;
}
</code></pre>

How do I create validation for checkbox is should select in <code>cakephp 3.0</code>

In <code>cakephp 2.x</code> the validation is like: 

<pre><code>'accept_terms' =&gt; array(
 'rule' =&gt; array('comparison', '!=', 0),
 'required' =&gt; true,
 'message' =&gt; 'You must agree to the terms',
 'on' =&gt; 'create',
 ),
</code></pre>

I want to convert it to <code>cakephp 3.x</code>.

Checkbox validation in cakephp 3.x

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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如何为应在cakephp 3.0中选中的复选框创建验证在cakephp 2.x中，验证过程如下：'accept_terms' => array(        'rule' => array('comparison', '!=', 0),        'required' => true,        'messa...

问cakephp 3.x中的复选框验证
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