php - ErrorException 未定义变量:posts - $posts 未定义
问题描述
单击管理区域中的帖子链接时,我收到错误消息。错误消息说问题出在代码行中
@foreach($posts as $post)
不确定是什么问题。
index.blade.php
@extends('layouts.app')
@section('content')
<div class="d-flex justify-content-left">
<a href="{{ route('posts.create')}}" class="btn btn-success float-right">Add post</a>
</div>
<div class="card card-default">
<div class="card-header">Posts</div>
<div class="card-body">
<table class="table">
<thead>
<th>Image</th>
<th>Title</th>
</thead>
<tbody>
@foreach($posts as $post)
<tr>
<td>
image
</td>
<td>
{{ $post->title }}
</td>
</tr>
@endforeach
</tbody>
</table>
</div>
</div>
@endsection
PostController.php
<?php
namespace App\Http\Controllers;
use App\Http\Requests\Posts\CreatePostRequest;
use Illuminate\Http\Request;
use App\Models\Post;
class PostsController extends Controller
{
/**
* Display a listing of the resource.
*
* @return \Illuminate\Http\Response
*/
public function index()
{
return view('posts.index')->with('posts', Post::all());
}
/**
* Show the form for creating a new resource.
*
* @return \Illuminate\Http\Response
*/
public function create()
{
return view('posts.create');
}
/**
* Store a newly created resource in storage.
*
* @param \Illuminate\Http\Request $request
* @return \Illuminate\Http\Response
*/
public function store(CreatePostRequest $request)
{
//upload image to storage
$image = $request->image->store('posts');
//create the post
Post::create([
'title' => $request->title,
'description' => $request->description,
'content' => $request->content,
'image' => $image
]);
//flash message
session()->flash('success', 'Post created succesfully.');
//redirect user
return redirect(route('posts.index'));
}
/**
* Display the specified resource.
*
* @param int $id
* @return \Illuminate\Http\Response
*/
public function show($id)
{
//
}
/**
* Show the form for editing the specified resource.
*
* @param int $id
* @return \Illuminate\Http\Response
*/
public function edit($id)
{
//
}
/**
* Update the specified resource in storage.
*
* @param \Illuminate\Http\Request $request
* @param int $id
* @return \Illuminate\Http\Response
*/
public function update(Request $request, $id)
{
//
}
/**
* Remove the specified resource from storage.
*
* @param int $id
* @return \Illuminate\Http\Response
*/
public function destroy($id)
{
//
}
}
解决方案
你也应该带上变量,你的代码应该是这样的:
$posts = Post::all();
return view ('posts.index', compact('posts'));
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