Php Laravel 5.6.27-如何制作自定义表单宏?
首先,我是个新手 目前,我正在尝试为中的Php Laravel 5.6.27-如何制作自定义表单宏?,php,laravel,forms,laravel-5,macros,Php,Laravel,Forms,Laravel 5,Macros,首先,我是个新手 目前,我正在尝试为中的表单进行定制 这就是我所拥有的: app/Services/Macros.php 然后,在我的视图中我给出了以下代码: {{ Form::selectState() }} 我得到以下错误: “方法selectState不存在。(视图:C:\MAMP\htdocs\crafto\resources\views\contact.blade.php)” 我不知道我做错了什么。似乎我找不到我制作的selectState函数。我试过很多东西,但我对这方面的知识不多
表单
进行定制
这就是我所拥有的:
app/Services/Macros.php
然后,在我的视图中我给出了以下代码:
{{ Form::selectState() }}
我得到以下错误:
“方法selectState不存在。(视图:C:\MAMP\htdocs\crafto\resources\views\contact.blade.php)”
我不知道我做错了什么。似乎我找不到我制作的selectState
函数。我试过很多东西,但我对这方面的知识不多。我的头撞在墙上
有人能给我解释一下宏是如何工作的,特别是形式的宏
谢谢。不要重写库类。你将很难让它发挥作用
FormBuilder
使用特性来定义宏,您可以执行以下操作:
app/Providers/MacroServiceProvider.php
Macroable
特性本质上只是保存一个额外函数(宏)数组,并通过\u调用
或\u调用静态
魔术方法调用它们
当然,这只适用于基类上尚未定义的方法
<?php namespace App\Providers;
use Collective\Html\HtmlServiceProvider;
class MacroServiceProvider extends HtmlServiceProvider {
public function register()
{
parent::register();
require base_path() . '/app/Services/Macros.php';
}
}
Collective\Html\HtmlServiceProvider::class,
App\Providers\MacroServiceProvider::class,
{{ Form::selectState() }}
public function register()
{
parent::register();
FormBuilder::macro('selectState', function ($name, $selected = null, $options = array())
{
$list = [
'' => 'Select One...',
'AL' => 'Alabama',
'AK' => 'Alaska',
'AZ' => 'Arizona',
'AR' => 'Arkansas',
'CA' => 'California',
'CO' => 'Colorado',
'CT' => 'Connecticut',
'DE' => 'Delaware',
'DC' => 'District of Columbia',
'FL' => 'Florida',
'GA' => 'Georgia',
'HI' => 'Hawaii',
'ID' => 'Idaho',
'IL' => 'Illinois',
'IN' => 'Indiana',
'IA' => 'Iowa',
'KS' => 'Kansas',
'KY' => 'Kentucky',
'LA' => 'Louisiana',
'ME' => 'Maine',
'MD' => 'Maryland',
'MA' => 'Massachusetts',
'MI' => 'Michigan',
'MN' => 'Minnesota',
'MS' => 'Mississippi',
'MO' => 'Missouri',
'MT' => 'Montana',
'NE' => 'Nebraska',
'NV' => 'Nevada',
'NH' => 'New Hampshire',
'NJ' => 'New Jersey',
'NM' => 'New Mexico',
'NY' => 'New York',
'NC' => 'North Carolina',
'ND' => 'North Dakota',
'OH' => 'Ohio',
'OK' => 'Oklahoma',
'OR' => 'Oregon',
'PA' => 'Pennsylvania',
'RI' => 'Rhode Island',
'SC' => 'South Carolina',
'SD' => 'South Dakota',
'TN' => 'Tennessee',
'TX' => 'Texas',
'UT' => 'Utah',
'VT' => 'Vermont',
'VA' => 'Virginia',
'WA' => 'Washington',
'WV' => 'West Virginia',
'WI' => 'Wisconsin',
'WY' => 'Wyoming'
];
return $this->select($name, $list, $selected, $options);
});