我已经创建了类别表，并在parent_id的帮助下创建了子类别，现在我想在网站的子类别中发布数据，因为我能够为类别发布数据，但不知道如何为子类别进行发布。
Create.blade.php
@extends ('layouts.app')
@section（'content'）
<!-- End Sidebar scroll-->
</aside>
<!-- ============================================================== -->
<!-- End Left Sidebar - style you can find in sidebar.scss -->
<!-- ============================================================== -->
<!-- ============================================================== -->
<!-- Page wrapper -->
<!-- ============================================================== -->
<div class="page-wrapper">
<!-- ============================================================== -->
<!-- Container fluid -->
<!-- ============================================================== -->
<div class="container-fluid">
<!-- ============================================================== -->
<!-- Bread crumb and right sidebar toggle -->
<!-- ============================================================== -->
<!-- ============================================================== -->
<!-- End Bread crumb and right sidebar toggle -->
<!-- ============================================================== -->
<!-- ============================================================== -->
<!-- Start Page Content -->
<!-- ============================================================== -->
<!-- Row -->
<div class="row">
<div class="col-lg-12">
<div class="card">
<div class="card-header bg-info">
<div class="text-center">
</div>
@if(count($errors)>0)
<ul class="list-group">
@foreach($errors->all() as $error)
<li class="list-group-item text-danger">
{{$error}}
</li>
@endforeach
</ul>
@endif
<div class="panel-heading">
<div class="text-center text-white">
<b> <h2>Create a new Blog</h2></b>
</div>
</div><BR>
<div class="panel-body">
<form action="{{route('post.store')}}" method="post" enctype="multipart/form-data">
{{csrf_field()}}
<div class="form-group table-dark text-white">
<label for ="category"><h3>Select a Menu</h3></label>
<select name="category_id" id="category" class="form-control" >
@foreach($levels as $category)
<option value="{{$category->id}}">{{$category->name}}</option>
@endforeach
</select>
</div>
<div class="form-group text-white">
<label for ="title"><h3>Option1 date/Name Manually</h3></label>
<input type="text" name="opt_1" class="form-control text-danger">
</div>
<div class="form-group text-white">
<label for ="title"><h3>Option2 date/Name Manually</h3></label>
<input type="text" name="opt_2" class="form-control text-danger">
</div>
<div class="form-group text-white">
<label for ="title"><h3>Title</h3></label>
<input type="text" name="title" class="form-control text-danger">
</div>
<div class="form-group text-white">
<label for ="featured"><h3>Image/Featured</h3></label> <input type="file" name="featured" class="form-control">
</div>
<div class="form-group text_white">
<label for ="file"><h3>PDF file</h3></label><input type="file" name="file" class="form-control">
</div>
<div class="form-group text-white" >
<label for ="content"><h3>Content</h3></label>
<textarea name="content" id="content" cols="5" rows="5" class="form-control"> </textarea>
</div>
<div class="form-group">
<div class="text-center">
<button class="btn btn-success" type="submit"> Submit Blog</button>
</div>
</div>
</form>
</div>
</div>
</div>
@stop
@section('styles')
<link href="http://cdnjs.cloudflare.com/ajax/libs/summernote/0.8.11/summernote.css" rel="stylesheet">
@stop
@section('scripts')
<script src="http://cdnjs.cloudflare.com/ajax/libs/summernote/0.8.11/summernote.js"></script>
<script>
$(document).ready(function() {
$('#content').summernote();
});
</script>
<!-- Row -->
javascript:
-------------
<script type="text/javascript">
$.ajaxSetup({
headers: {
'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
}
});
$(document).ready(function(){
$('#name').on('change',function(e){
console.log(e);
var parent_id= e.target.value;
$.getJSON('/your url/sub?parentID=' + parent_id, function(data){
console.log(data);
$('#sub_cat_id').empty();
$.each(data,function(index, sub_cat_id){
$('#sub_cat_id').append('<option value="'+sub_cat_id.id+'">'+sub_cat_id.name+'</option>');
});
});
});
});
</script>
</div>
</div>
</div>
</div>
<!-- Row -->
@停止
FrontendController
public function welcome()
{
// @TODO Refactor This Line
return view('welcome')
->with('title', Setting::first()->site_name)
->with('levels', Category::take(7)->get())
->with('first_post', Post::orderBy('created_at','desc')->first())
->with('second_post', Post::orderBy('created_at', 'desc')->skip(1)->take(1)->get()->first())
->with('third_post', Post::orderBy('created_at','desc')->skip(2)->take(2)->get()->first())
->with('forth_post', Post::orderBy('created_at','desc')->skip(3)->take(3)->get()->first())
->with('HOME', Category::find(1))
->with('ABOUT US', Category::find(2))
->with('RESEARCH', Category::find(3))
->with('NEWS AND PUBLICATION', Category::find(4))
->with('EVENTS', Category::find(5))
->with('PEOPLE', Category::find(6))
->with('CONTACT US',Category::find(7));
}
PostController。
public function store(Request $request)
{
$this->validate($request, [
'title' =>'required',
'opt_1'=>'required',
'opt_2'=>'required',
'featured'=>'mimes:jpeg,pdf,docx,png:5000',
'file'=>'mimes:jpeg,pdf,docx,png:5000',
'content'=>'required',
'category_id'=>'required',
]);
// Create Initial Required Data ARray
$data = [
'opt_1'=>$request->opt_1,
'opt_2'=>$request->opt_2,
'title'=>$request->title,
'content'=>$request->content,
'category_id'=>$request->category_id,
'slug'=>str_slug($request->title)
];
if(request('opt_1'))
{
$opt_1=request('opt_1');
}
// Optionally add 'featured' if found to the Data array
if (request('featured'))
{
$featured = request('featured');
$file_name = time() . $featured->getClientOriginalName();
$featured->move('uploads/posts', $file_name);
$data['featured'] = 'uploads/posts/'.$file_name;
}
// Optionally add 'file' if found to the Data array
if (request('file')) {
$file = request('file');
$file_name = time() . $file->getClientOriginalName();
$file->move('uploads/posts', $file_name);
// $ content = base64_encode（file_get_contents（$ _ FILES ['pdf'['tmp_name']））;
$data['file'] = 'uploads/posts/'.$file_name;
//$data->content=$content;
}
// Create the Post with the $data Array
$post = Post::create($data);
Session::flash('success', 'New Blog has been Published on Website for Particular Menu');
return redirect()->back();
}