如何在错误时将类添加到输入字段 [英] How to add class to input field on error

问题描述

Laravel 4是否有机会简单地添加一个类，例如验证错误后错误"到表单字段? 我以为Form Helper会做到这一点...

is there any chance in Laravel 4 to simply add a class e.g. "error" to a form field after validation error? I thought the Form Helper will do that...

谢谢 问候

推荐答案

是的，您只需要在输出表单字段时检查针对某个字段的错误即可，如果有错误，请给它一个类error.我不确定您的变量名，但希望您能理解...

Yeah, you just have to check your errors for a certain error on a field when outputting the form field, and if it has an error, give it the class of error. I'm not sure of your variable names, but hopefully you get the idea...

// Some validation
$validator = Validate::make($input, $rules);

// If it fails, pass errors into view.  
// This could be confusing, you should check http://laravel.com/docs/validation#error-messages-and-views for more info
if($validator->fails()) {
    return View::make('someform')->withErrors($validator);
}

// withErrors() will flash the validation messages to an errors variable.  
//This is just some shorthand syntax that's checking for an error on email and if there is something, it will give the class of error else it will give a blank class
{{ Form::text('email', array('class' => $errors->has('email') ? 'error' : '')) }}

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