php 以 Laravel 形式设置选定的选项
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Setting selected option in laravel form
提问by Min Khant Lu
I need to give selected value like this html:
我需要像这样的 html 给出选定的值：
<select name="myselect" id="myselect">
<option value="1">Item 1</option>
<option value="2" selected='selected'>Item 2</option>
how can I achieve this, with laravel forms?
我怎样才能用 Laravel 形式实现这一点？
采纳答案by Raymond Cheng
use this package and check the docs:
使用这个包并检查文档：
https://laravelcollective.com/docs/5.2/html#drop-down-lists
https://laravelcollective.com/docs/5.2/html#drop-down-lists
form you html , you need use this mark
形成你的 html ，你需要使用这个标记
{!! Form::select('size', array('L' => 'Large', 'S' => 'Small'), 'S'); !!}
回答by lucasvscn
Everybody talking about you go using {!! Form::select() !!}but, if all you need is to use plain simple HTML.. here is another way to do it.
每个人都在谈论你去使用，{!! Form::select() !!}但是，如果你只需要使用简单的 HTML ......这是另一种方法。
<select name="myselect">
@foreach ($options as $key => $value)
<option value="{{ $key }}"
@if ($key == old('myselect', $model->option))
selected="selected"
@endif
>{{ $value }}</option>
@endforeach
</select>
the old()function is useful when you submit the form and the validation fails. So that, old()returns the previously selected value.
old()当您提交表单并且验证失败时，该功能很有用。因此，old()返回先前选择的值。
回答by Chonchol Mahmud
回答by Matiullah Karimi
You can do it like this.
你可以这样做。
<select class="form-control" name="resoureceName">
<option>Select Item</option>
@foreach ($items as $item)
<option value="{{ $item->id }}" {{ ( $item->id == $existingRecordId) ? 'selected' : '' }}> {{ $item->name }} </option>
@endforeach </select>
回答by Alupotha
Another ordinary simple waythis is good if there are few options in select box
如果选择框中的选项很少，另一种普通的简单方法很好
<select name="job_status">
<option {{old('job_status',$profile->job_status)=="unemployed"? 'selected':''}} value="unemployed">Unemployed</option>
<option {{old('job_status',$profile->job_status)=="employed"? 'selected':''}} value="employed">Employed</option>
</select>
回答by Hiren Makwana
Setting selected option is very simple in laravel form :
以 Laravel 形式设置 selected 选项非常简单：
{{ Form::select('number', [0, 1, 2], 2) }}
Output will be :
输出将是：
<select name="number">
<option value="0">0</option>
<option value="1">1</option>
<option value="2" selected="selected">2</option>
</select>
回答by Mahedi Hasan Durjoy
@foreach ($categories as $category)
<option value="{{$category->id}}"
@foreach ($posts->postRelateToCategory as $Postcategory)
@if ($Postcategory->id == $category->id)
{{'selected="selected"'}}
@endif
@endforeach >
{{ $category->category_name }} </option>
@endforeach
回答by rashedcs
<?php
$items = DB::table('course')->get()->pluck('name','id');
$selectID = 3;
?>
<div class="form-group">
{{ Form::label('course_title', 'Course Title') }}
{!! Form::select('myselect', $items, $select, ['class' => 'form-control']) !!}
</div>
This show similar types of following options :
这显示了类似类型的以下选项：
<select name="myselect" id="myselect">
<option value="1">Computer Introduction</option>
<option value="2">Machine Learning</option>
<option value="3" selected='selected'>Python Programming</option>
<option value="4">Networking Fundamentals</option>
.
.
.
.
</select>
回答by MrMesees
To echo some other answers here, the code I just used with 5.6 is this
为了回应这里的其他一些答案，我刚刚在 5.6 中使用的代码是这样的
{{ Form::select('status', ['Draft' => 'Draft', 'Sent' => 'Sent', 'Paid' => 'Paid'], $model->status, ['id' => 'status']) }}
In order to be able to use the Form Helper from LaravelCollective I took a look at https://laravelcollective.com/docs/master/html#drop-down-lists
为了能够使用 LaravelCollective 的 Form Helper，我查看了https://laravelcollective.com/docs/master/html#drop-down-lists
I also had to composer require the dependency also so that I could use it in my projects
我还必须编写 require 依赖项，以便我可以在我的项目中使用它
composer require "laravelcollective/html":"^5"
Lastly I altered my config/app.phpand added the following in the $aliasesarray
最后我改变了我的config/app.php并在$aliases数组中添加了以下内容
'Form' => Collective\Html\FormFacade::class,
https://laravelcollective.com/docs/master/htmlshould be consulted if any of the above ceases to work.
如果上述任何一项停止工作，应咨询https://laravelcollective.com/docs/master/html。
回答by DILEEP THOMAS
Just Simply paste this code you will get the desired output that you needed.
只需简单地粘贴此代码，您将获得所需的输出。
{{ Form::select ('myselect', ['1' => 'Item 1', '2' => 'Item 2'], 2 , ['id' =>'myselect']) }}` `
