我正在使用 Laravel 5.1 PHP 框架。当我尝试更新记录时,出现错误:
"AdminController.php 第 108 行出现错误:从空值创建默认对象".
我已经在谷歌上搜索过,但是找不到解决我的问题的结果。
路由
Route::get('/admin/no', 'AdminController@index');
Route::get('/admin/product/destroy/{id}', 'AdminController@destroy');
Route::get('/admin/new', 'AdminController@newProduct');
Route::post('/admin/product/save', 'AdminController@add');
Route::get('/admin/{id}/edit', 'AdminController@edit');
Route::patch('/admin/product/update/{id}', 'AdminController@update')
管理员控制器
public function edit($id)
{
$product = Product::find($id);
return view('admin.edit', compact('product'));
}
public function update(Request $request, $id)
{
$product = Product::find($id);
$product->id = Request::input('id');
$product->name = Request::input('name');
$product->description = Request::input('description');
$product->price = Request::input('price');
$product->imageurl = Request::input('imageurl');
$product->save();
//return redirect('/admin/nο');
}
enter code here
edit.blade.php
div class="panel panel-info">
<div class="panel-heading">
<div class="panel-title">Edit Product</div>
</div>
<div class="panel-body" >
<form action="/admin/product/update/{id}" method="POST"><input type="hidden" name="_method" value="PATCH"> <input type="hidden" name="_token" value="{{ csrf_token() }}">
enter code here
{{$id}}
,你忘了$
符号。 - Akshay Naik<input name="_method" type="hidden" value="PUT">
。 - Ivanka Todorova