blocks|key|2970334|text|在Codeigniter中，规则是从左到右运行的，一旦一个失败，它就会停止检查，并将该字段标记为“未通过验证”，并将该消息设置为第一个失败的规则。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2970335|你有所有3个领域的要求，所以最低限度，你将不得不在所有3个领域的东西。每个字段都是独立检查的，所以您不能(使用内置的form_validation类)创建比具有独立规则的每个字段更复杂的逻辑检查。|2970336|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

In Codeigniter rules are ran left to right, as soon as one fails, it stops checking and marks the field as 'not passed validation' and set the message as the first failed rule.

You have all 3 fields as required so at a minimum you will have to have something in all 3 fields. Each field is checked independently, so no you cannot (with the built in form_validation Class) create logical checks that are more complex than each field having independent rules.

blocks|key|1801190|text|不幸的是，除了matches[]规则之外，Codeigniter的表单验证类中没有任何东西允许您这样做……|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1801191|由于CI_Form_validation::set_rules不返回任何内容，因此不能在if子句中使用它。我建议您只需检查您的值是否已设置。|1801192|当您的第三个规则回调运行时，它们将不会被验证，所以它们可以是任何东西:在callback_valid_interval中做一些检查。|1801193|如下所示：|1801194|$this->form_validation->set_rules('timeStart',+'Day+Start+Time',+'trim%7Crequired%7Cxss_clean%7Ccallback_validtime');
$this->form_validation->set_rules('timeEnd',+'Day+End+Time',+'trim%7Crequired%7Cxss_clean%7Ccallback_validtime%7Ccallback_validtimeorder');
if+($this->input->post('timeStart')+&&+$this->input->post('timeEnd')){
++++$this->form_validation->set_rules('interval',+'Interval',+'trim%7Crequired%7Cxss_clean%7Cis_natural%7Ccallback_valid_interval');
}|code-block|syntax|javascript|1801195|entityMap^0|7|9|0|2|T|18|2|0|10|N|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|V|8|@$9|W|A|X|B|C]|$9|Y|A|Z|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|10|8|@$9|11|A|12|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|13|8|@]|D|@]|E|$]]|$1|L|3|M|5|N|7|14|8|@]|D|@]|E|$O|P]]|$1|Q|3|-4|5|6|7|15|8|@]|D|@]|E|$]]]|R|$]]

Unfortunately, except for the <code>matches[]</code> rule, nothing in Codeigniter's form validation class allows you to do this...

Since <code>CI_Form_validation::set_rules</code> does not return anything, you cannot use it in your <code>if</code> clause. I suggest you simply check if your values are set. 

They will not be validated when your third rule callback is run, so they could be anything : do some checking in <code>callback_valid_interval</code>. 

Something like this :

<pre><code>$this-&gt;form_validation-&gt;set_rules('timeStart', 'Day Start Time', 'trim|required|xss_clean|callback_validtime');
$this-&gt;form_validation-&gt;set_rules('timeEnd', 'Day End Time', 'trim|required|xss_clean|callback_validtime|callback_validtimeorder');
if ($this-&gt;input-&gt;post('timeStart') &amp;&amp; $this-&gt;input-&gt;post('timeEnd')){
 $this-&gt;form_validation-&gt;set_rules('interval', 'Interval', 'trim|required|xss_clean|is_natural|callback_valid_interval');
}
</code></pre>

blocks|key|4570176|text|使用if(true和true)方法可以做您想做的事情，但我想确保您知道它的作用。set_rules不计算规则，只有run函数计算规则。jfoucher的代码所做的是获取post值，如果它们没有同时设置，那么它将创建另一个规则。但这不会检查trim或任何其他规则(除了required之外)。然而，该方法确实有效。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4570177|我能想到的唯一选择就是重写你的回调，或者通过扩展form_validation类来制定你自己的规则。我为我的应用程序做了扩展，它为我提供了一种更通用的验证方法，但它需要您深入研究CodeIgniter的核心。|4570178|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Using the if(true AND true) method does what you want but I want to make sure you know what it does. set_rules doesn't evaluate rules, only the run function does. What jfoucher's code does is get the post values and if they aren't both set then it will create another rule. But this doesn't check trim or any other rule (other than required). However that method does work.

The only alternative I can think of is to rewrite you callbacks, or make your own rule by extending the form_validation class. I did the extension for my applications and it gives me a more universal way of validation, but it requires you to dig into CodeIgniter's core.

Hopefully a simple one. I have the following form validation rules:

<pre><code> $this-&gt;form_validation-&gt;set_rules('timeStart', 'Day Start Time', 'trim|required|xss_clean|callback_validtime');
 $this-&gt;form_validation-&gt;set_rules('timeEnd', 'Day End Time', 'trim|required|xss_clean|callback_validtime|callback_validtimeorder');
 $this-&gt;form_validation-&gt;set_rules('interval', 'Interval', 'trim|required|xss_clean|is_natural|callback_valid_interval');
</code></pre>

The problem I have is that <code>callback_valid_interval</code> requires that <code>$this-&gt;input-&gt;post('timeStart')</code> and <code>$this-&gt;input-&gt;post('timeEnd')</code> are set. Currently my callback_valid_interval function errors if the user has not completed the timeStart or timeEnd.

Is there any way I can set a dependency between the rules i.e. dont run the <code>callback_valid_interval</code> if the other rules have not passed?

Alternatively I can put in a manual check for these fields but was wondering if there is a better way to do this?

Best regards, Ben.

Codeigniter - form validation callback order

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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希望是一个简单的例子。我有以下表单验证规则：    $this->form_validation->set_rules('timeStart', 'Day Start Time', 'trim|required|xss_clean|callback_validtime');    $this->form_validat...

问Codeigniter -窗体验证回调顺序
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