ErrorException:尝试获取非对象的属性:(使用laravel) [英] ErrorException: Trying to get property of non-object: (using laravel)
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问题描述
ErrorException:尝试获取非对象的属性:PHP初学者
ErrorException: Trying to get property of non-object: PHP beginner
尝试从数据库检索数据.
Trying to retreive data from database.
show.blade.php
show.blade.php
@extends('main')
@section('title','| Station details')
@section('content')
<h1>{{ $station->station_name }}</h1>
<p class="lead">{{ $station->station_name }}</p>
@endsection
控制器-
<?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;
use App\Http\Requests;
use App\Station;
use Session;
class StationController extends Controller
{
/**
* Display a listing of the resource.
*
* @return \Illuminate\Http\Response
*/
public function index()
{
//
}
/**
* Show the form for creating a new resource.
*
* @return \Illuminate\Http\Response
*/
public function create()
{
//
return view('stations.create');
}
/**
* Store a newly created resource in storage.
*
* @param \Illuminate\Http\Request $request
* @return \Illuminate\Http\Response
*/
public function store(Request $request)
{
// validate the data
$this->validate($request, array(
'station_name' => 'required|max:255',
'date'=>'required'
));
// store in the database
$station = new Station;
$station->station_name = $request->station_name;
$station->date = $request->date;
$station->PET = $request->PET;
$station->max_temp = $request->max_temp;
$station->min_temp = $request->min_temp;
$station->min_rh = $request->min_rh;
$station->solar_rad = $request->solar_rad;
$station->rainfall = $request->rainfall;
$station->wind4am = $request->wind4am;
$station->wind4pm = $request->wind4pm;
$station->save();
Session::flash('success','Station data added');
return redirect()->route('stations.show', $station->id);
// redirect to another page
}
/**
* Display the specified resource.
*
* @param int $id
* @return \Illuminate\Http\Response
*/
public function show($id)
{
$station = Station::find($id);
return view('stations.show')->withStation('$station');
}
/**
* 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)
{
//
}
}
数据库:-
推荐答案
在以下行中返回视图时:
When you are returning the view in the following line:
return view('stations.show')->withStation('$station');
您需要使用双引号或根本不使用引号.使用单引号实际上是将值设置为文字字符串"$station"
而不是您创建的对象.
You need to either use double quotes or not use quotes at all. With the single quotes you are actually setting the value to the literal string "$station"
instead of the object you created.
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