laravel 5.4 分页问题为 foreach() 提供的参数无效

Question

我在一个数组中有大约 50 个对象。

$user = User::with('abc','def','ghi','jkl','mno','pqr')
        ->where([['id', '<>', Auth::user()->id],['role', '<>', 2]])->simplePaginate(15);

$users = json_decode($user,true);

我 ->simplePaginate(15) 放置正确了吗？之后我可以做 json_decode 吗？就像我在做什么？我在控制器中没有收到任何错误。

在浏览量中

    @section('content')
<div class="container-fluid">
<div></br></br></div>
@include('errors.list')

<div class="row">
  @foreach($users as $user)
   <a href="#" onclick=document.getElementById('{{$user->id}}').style.display='block'>
   <div class="col-md-3" style="margin-bottom:50px;">
   @if($user["search_status"] == 'matched')
         <div class="w3-card-12-disabled" style="border-radius:15px;width:225px; padding-top: 20px; background-color: #FFA534;">
            @else
      <div class="w3-card-12" style="border-radius:15px;width:225px; padding-top: 20px; background-color: #FFA534;">
      @endif
      <img align="center" src="{{$user->photo}}" style=" border-radius:50%; ; border-style: solid; border-color: #333; border-width: 5px; margin-left:15%;" width="150px !important" height="150px !important" />
      <h3 style="color:#000;  
    padding-top: 20px;" align="center">{{ $user->firstname}}</br>{{ $user->lastname}}</h3>

      <div style="display:flex; justify-content: center;">
      <div   class="tooltip2">
      <img  align="middle" style="" src="{{$user->natives->flag}}"/>
      <span class="tooltiptext">{{$user->natives->language}}</span>
      </div>
    </div>

    </br>
      </div>
   </div>     
   </a>    
   @endforeach



   <div class="row">
     @foreach($users as $user)
     <div id="{{$user->id}}" class="w3-modal">
         <div class="w3-modal-content w3-animate-top w3-card-8">
            <div id="div1" style="padding:40px 30px 30px 30px;">
               <img style="border-radius:50%; border:5px solid #333; margin-left:18px" src="{{$user->photo}}"  width="200px !important" height="200px !important">
               <div style="text-align: center; padding-top:70px;">
                  {!! Form::open(['url' => '/users/'. $user->id.'/reportc']) !!}
                  {!! Form::hidden('_method', 'POST') !!}
                  {!! Form::hidden('friend', $user->id, null, ['class'=>'form-control']) !!}   
                  {!! Form::submit('Report', ['class'=>'btn', 'style' => 'padding: 10px 10px 10px 10px; color:#000; border-color:#000;']) !!}
                  {!! Form::close() !!}
               </div>
               </div>
            <div id="div2" style="padding:40px 0px 40px 0px;">
            <span onclick=document.getElementById('{{$user->id}}').style.display='none'
                  class="w3-closebtn">&times;</span>

              <h1>{{ $user->firstname}} {{ $user->lastname}}</h1>
               </br>


               </br>
               <h5 style="padding-top:30px;"><b>About Me:</b> {{ $user->bio}} </h5>
               <h5 style="padding-top:10px;"><b>Campus:</b>  {{$user->campus->campus_name}}</h5>
               <h5 style="padding-top:10px;"><b>School:</b> {{ $user->schools->schools_name}} </h5>
               <h5 style="padding-top:10px;"><b>Year:</b> {{ $user->years->years_name}} </h5>
               <h5 style="padding-top:10px;"><b>Native Speaker of:</b> {{$user->natives->language}} </h5>
               <h5 style="padding-top:10px;"><b>Second Native Speaker of:</b> {{ $user->snatives->language }} </h5>

               <h5 style="padding-top:10px;"><b>Seeking Speaker of:</b>
               @foreach($seeks as $seek) 
                @if($seek->user_id === $user->id) 
                  {{ $seek->language}}, 
                @endif 
               @endforeach </h5>


            </div>
         </div>
      </div>
     @endforeach
   </div>

   {!! $users->links() !!}

</div>
</div>
@endsection

即使我不将此代码 {{ $users->links() }} 放在视图中，我仍然会遇到同样的错误。我想问题出在控制器上的分页代码上。

已编辑

我还有这个小问题：

之前

<h5 style="padding-top:10px;"><b>Campus:</b>  {{$user['campus']['campus_name']}}</h5>
               <h5 style="padding-top:10px;"><b>School:</b> {{ $user['schools']['schools_name']}} </h5>
               <h5 style="padding-top:10px;"><b>Year:</b> {{ $user['years']['years_name']}} </h5>
               <h5 style="padding-top:10px;"><b>Native Speaker of:</b> {{$user['natives']['language']}} </h5>
               <h5 style="padding-top:10px;"><b>Second Native Speaker of:</b> {{$user['snatives']['language']}} </h5>

               <h5 style="padding-top:10px;"><b>Seeking Speaker of:</b>
               @foreach($seeks as $seek) 
                @if($seek->user_id === $user['id']) 
                  {{ $seek->language}}, 
                @endif 
               @endforeach </h5>

之后

 <h5 style="padding-top:10px;"><b>Campus:</b>  {{$user->campus->campus_name}}</h5>
               <h5 style="padding-top:10px;"><b>School:</b> {{ $user->schools->schools_name}} </h5>
               <h5 style="padding-top:10px;"><b>Year:</b> {{ $user->years->years_name}} </h5>
               <h5 style="padding-top:10px;"><b>Native Speaker of:</b> {{$user->natives->language}} </h5>
               <h5 style="padding-top:10px;"><b>Second Native Speaker of:</b> {{$user->snatives->language}} </h5>

               <h5 style="padding-top:10px;"><b>Seeking Speaker of:</b>
               @foreach($seeks as $seek) 
                @if($seek->user_id === $user->id) 
                  {{ $seek->language}}, 
                @endif 
               @endforeach </h5>

这给出了 After 代码让我在尝试获取非对象的属性时出错，这就是我使用 json_decode() 和 Before 代码的原因。我该如何解决这些问题？

结果

{  
   "per_page":12,
   "current_page":1,
   "next_page_url":"http:\/\/localhost:8000\/users\/community?page=2",
   "prev_page_url":null,
   "from":1,
   "to":12,
   "data":[  
      {  
         "id":5,
         "firstname":"Beth",
         "lastname":"Hanley",
         "email":"bah3@org.uk",
         "role":1,
         "photo":"uploads\/2.jpg",
         "bio":"Hockey fan, foodie, gamer, Saul Bass fan and HTML5 Guru.",
         "campus":{  
            "id":1,
            "campus_name":"name"
         },
         "school":"1",
         "year":"1",
         "native_lang":"2",
         "native_lang_flag":"2",
         "search_status":"available",
         "created_at":null,
         "updated_at":null,
         "lastlogin":null,
         "verification_code":null,
         "isverify":"0",
         "native_lang_2":null,
         "native_lang_flag_2":null,
         "schools":{  
            "id":1,
            "schools_name":"School of Energy, Geoscience, Infrastructure and Society"
         },
         "years":{  
            "id":1,
            "years_name":"First"
         },
         "flags":{  
            "id":2,
            "name":"\u00c5land Islands",
            "flag":"\/flags\/AX-32.png"
         },
         "natives":{  
            "id":2,
            "language":"English",
            "flag":"\/flags\/GB-32.png"
         },
         "snatives":null
      },

用户模型

public function friends()
{
    return $this->hasMany('App\Friend','friend_id','id');
}

public function seeks()
{
    return $this->belongsToMany('App\Language');
}

public function natives()
{
    return $this->hasOne('App\Language','id','native_lang');
}

public function snatives()
{
    return $this->hasOne('App\Language','id','native_lang_2');
}

public function roles()
{
    return $this->hasOne('App\Role','id','role');
}

public function campus()
{
    return $this->hasOne('App\Campus','id','campus');
}

public function schools()
{
    return $this->hasOne('App\School','id','school');
}

public function years()
{
    return $this->hasOne('App\Year','id','year');
}

public function flags()
{
    return $this->hasOne('App\Flag','id','native_lang_flag');
}

校园模型

public function users()
{
    return $this->belongsTo('App\User','campus','id');
}

年份模型

public function users()
{
    return $this->belongsTo('App\User','year','id');
}

Answer 1

您不需要 json 编码任何内容并直接访问对象属性。

控制器

$users = User::with('abc','def','ghi','jkl','mno','pqr')
    ->where([
        ['id', '<>', auth()->id()],
        ['role', '<>', 2]
    ])->simplePaginate(15);

return view('someview', compact('users'));

查看

<div class="row">
    @foreach($users as $user)
        <a href="#" onclick="document.getElementById('{{ $user->id }}').style.display='block'">
            <div class="col-md-3" style="margin-bottom:50px;">
                @if($user->search_status == 'matched')
                    <div class="w3-card-12-disabled"
                         style="border-radius:15px;width:225px; padding-top: 20px; background-color: #FFA534;">
                        @else
                            <div class="w3-card-12"
                                 style="border-radius:15px;width:225px; padding-top: 20px; background-color: #FFA534;">
                                @endif
                                <img align="center" src="{{ $user->photo }}"
                                     style=" border-radius:50%; ; border-style: solid; border-color: #333; border-width: 5px; margin-left:15%;"
                                     width="150px !important" height="150px !important"/>
                                <h3 style="color:#000;
    padding-top: 20px;" align="center">{{ $user->firstname }}<br/>{{ $user->lastname}}</h3>

                                <br/>
                            </div>
                    </div>
            </div>
        </a>
    @endforeach
</div>

{!! $users->links() !!}

laravel 5.4 分页问题为 foreach() 提供的参数无效

laravel 5.4 pagination issue invalid argument supplied for foreach()

laravel-5.2

laravel-5.4

laravel-pagination

laravel-paginate

在浏览量中

已编辑

之前

之后

结果

用户模型

校园模型

年份模型