[英]Laravel query in blade view
您如何在blade.php
翻譯此查詢
$developer_contractor_association = DeveloperContractorAssociation::whereHas('defect_types', function ($query) use($id) {
$query->where('developer_contractor_associations.id', $id);
})->orwhereHas('contractor', function ($query) use($id) {
$query->where('developer_contractor_associations.id', $id);
})->first();
return view('dev-admin.contractors.associations.edit', ['developer_contractor_association' => $developer_contractor_association]);
我嘗試使用上面的方法,但是當涉及到刀片時,它不起作用
@foreach($developer_contractor_association as $dca_details)
<h2> {{ $dca_details->user->name }} </h2>
<p><i class="fas fa-map-marker-alt"></i>{{ $dca_details->contractor->address }}</p>
<p><i class="fas fa-envelope"></i>{{ $dca_details->user->email }}</p>
<p><i class="fas fa-phone"></i></i>{{ $dca_details->contractor->contact_no }}</p>
@endforeach
它說:
試圖獲取非對象的屬性“名稱”
更新:
我在查詢時犯了一些錯誤,我不需要foreach
,這可以修復我的代碼。 謝謝大家的幫助
<div id="contractor-details" class="col-sm-12 col-md-12">
<h2> {{ $developer_contractor_association->contractor->user->name }} </h2>
<p><i class="fas fa-map-marker-alt"></i>{{ $developer_contractor_association->contractor->address }}</p>
<p><i class="fas fa-envelope"></i>{{ $developer_contractor_association->contractor->user->email }}</p>
<p><i class="fas fa-phone"></i></i>{{ $developer_contractor_association->contractor->contact_no }}</p>
</div>
您應該使用get()
而不是first()
,然后在foreach()
中使用dd($dca_details)
變量來查看$ dca_details是否有用戶,如果使用了dd($dca_details->user->name)
處理此錯誤的最佳方法是使用:
{{$ dca_details-> user-> name? '-'}}
那是因為一個developer_contractor_association沒有用戶。 你一定要用
@foreach($developer_contractor_association as $dca_details)
<h2> {{ $dca_details->user->name ?? 'User absent' }} </h2>
<p><i class="fas fa-map-marker-alt"></i>{{ $dca_details->contractor->address ?? ''}}</p>
<p><i class="fas fa-envelope"></i>{{ $dca_details->user->email ?? ''}}</p>
<p><i class="fas fa-phone"></i>{{ $dca_details->contractor->contact_no ?? ''}}</p>
@endforeach
或者你可以使用
@foreach($developer_contractor_association as $dca_details)
@if(empty($dca_details->user) || empty($dca_details->contractor))
@continue
@endif
<h2> {{ $dca_details->user->name }} </h2>
<p><i class="fas fa-map-marker-alt"></i>{{ $dca_details->contractor->address }}</p>
<p><i class="fas fa-envelope"></i>{{ $dca_details->user->email }}</p>
<p><i class="fas fa-phone"></i>{{ $dca_details->contractor->contact_no }}</p>
@endforeach
或在控制器中使用
$developer_contractor_association = DeveloperContractorAssociation::whereHas('defect_types', function ($query) use($id) {
$query->where('developer_contractor_associations.id', $id);
})->orwhereHas('contractor', function ($query) use($id) {
$query->where('developer_contractor_associations.id', $id);
})->has('user')
->has('contractor')
->get();
return view('dev-admin.contractors.associations.edit', ['developer_contractor_association' => $developer_contractor_association]);
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