【发布时间】：2018-07-13 17:46:12
【问题描述】：
我正在尝试将具有指定角色的用户添加到数据库中，错误指示
“748460238d8f66b0fe4acb25c19f24f04b548bd9.php 第 25 行中的错误异常： 试图获取非对象的属性（视图：..\views\admin\users\index.blade.php）”。
下面是UserModel、index.blade.php 和控制器。
怎么了？
非常感谢
<?php
namespace App\Http\Controllers;
use App\Role;
use App\User;
use Illuminate\Http\Request;
use App\Http\Requests;
use App\Http\Requests\UsersRequest;
class AdminUsersController extends Controller
{
/**
* Display a listing of the resource.
*
* @return \Illuminate\Http\Response
*/
public function index()
{
//
$users=User::all();
return view('admin.users.index',compact('users'));
}
/**
* Show the form for creating a new resource.
*
* @return \Illuminate\Http\Response
*/
public function create()
{
//
$roles = Role::lists('name','id')->all();
return view('admin.users.create',compact('roles'));
}
/**
* Store a newly created resource in storage.
*
* @param \Illuminate\Http\Request $request
* @return \Illuminate\Http\Response
*/
public function store(UsersRequest $request)
{
//
User::create($request->all());
//return $request->all();
return redirect('/admin/users');
}
/**
* Display the specified resource.
*
* @param int $id
* @return \Illuminate\Http\Response
*/
public function show($id)
{
//
return view('admin.users.show');
}
/**
* Show the form for editing the specified resource.
*
* @param int $id
* @return \Illuminate\Http\Response
*/
public function edit($id)
{
//
return view('admin.users.edit');
}
/**
* 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)
{
//
}
}<?php
namespace App;
use Illuminate\Foundation\Auth\User as Authenticatable;
class User extends Authenticatable
{
/**
* The attributes that are mass assignable.
*
* @var array
*/
protected $fillable = [
'name', 'email', 'password'
];
/**
* The attributes that should be hidden for arrays.
*
* @var array
*/
protected $hidden = [
'password', 'remember_token'
];
public function role(){
return $this->belongsTo('App\Role');
}
}@extends('layouts.admin')
@section('content')
<h1>Users</h1>
<table class="table">
<thead>
<tr>
<th>Id</th>
<th>Name</th>
<th>Email</th>
<th>Role</th>
<th>Status</th>
<th>Created</th>
<th>Updated</th>
</tr>
</thead>
<tbody>
@if($users)
@foreach($users as $user)
<tr>
<td>{{ $user->id }}</td>
<td>{{ $user->name }}</td>
<td>{{ $user->email }}</td>
<td>{{ $user->role->name }}</td>
<td>{{ $user->is_active == 1 ? 'Active' : 'No active' }}</td>
<td>{{ $user->created_at }}</td>
<td>{{ $user->updated_at }}</td>
</tr>
@endforeach
@endif
</tbody>
</table>
@stop迁移架构：
<?php
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;
class CreateRolesTable extends Migration
{
/**
* Run the migrations.
*
* @return void
*/
public function up()
{
Schema::create('roles', function (Blueprint $table) {
$table->increments('id');
$table->string('name');
$table->timestamps();
});
}
/**
* Reverse the migrations.
*
* @return void
*/
public function down()
{
Schema::drop('roles');
}
}<?php
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;
class CreateUsersTable extends Migration
{
/**
* Run the migrations.
*
* @return void
*/
public function up()
{
Schema::create('users', function (Blueprint $table) {
$table->increments('id');
$table->integer('role_id')->index()->unsigned()->nullabe();
$table->integer('is_active')->default(0);
$table->string('name');
$table->string('email')->unique();
$table->string('password');
$table->rememberToken();
$table->timestamps();
});
}
/**
* Reverse the migrations.
*
* @return void
*/
public function down()
{
Schema::drop('users');
}
}【问题讨论】：
-
role_id 是用户表中的外键
-
检查many to many关系
-
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