Laravel 4：无法在编辑表单上使用表单宏获取模型数据

问题描述：

On edit forms I have a problem to populate form fields with data stored in DB.

When I use the code snippet from the doc everything's fine. However I need to append a css class to the form field, and this cannot be passed as argument for:

{{ Form::text('email') }}

So I've created the below Form::macro

Form::macro('textclass', function($name, $class = null)
{
    return '<input type="text" name="'.$name.'" id="'.$name.'" class="'.$class.'"/>';
});

So I can use this on my views:

{{ Form::textclass('email', 'm-wrap span12') }}

But then the field doesn't get populated with the model data.

Any idea on how to fix this?

答

For reference if you want to check what the Form generates you can look up vendor/laravel/framework/src/Illuminate/Html/FormBuilder.

In the FormBuilder class you'll find methods for the inputs. The method for the text input looks like this

 public function text($name, $value = null, $options = array())
 {
    return $this->input('text', $name, $value, $options);
 }

As you can see the second parameter is the value and the third is the options array.

So for your form it would look like this

Form::text('email', null, array('class'=>'m-wrap span12'))

Laravel 4：无法在编辑表单上使用表单宏获取模型数据

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