非法字符串偏移'name' laravel
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问题描述
当我想为我的表编辑一个值时,我得到了一个非法的字符串偏移量,但是当我尝试添加一个新值时,它可以添加一个新值.如果我注释掉表单的 form::file 部分,它可以返回
view
所以我猜问题出在那里.
<div class="portlet light 边框"><div class="portlet-body"><form action="{{ $formIs === 'add' ? route('campus-media.save', $campusId) : route('campus-media.update', [$campusId, $campusMedia->id]) }}" method="post" class="form-horizontal" enctype="multipart/form-data">{{ csrf_field() }}<div class="form-body"><div class="form-group"><label class="control-label col-md-3">Title</label><div class="col-md-4">{!!Form::text('title', $campusMedia->title, array('class' => 'form-control', 'placeholder' => 'Campus Media Title')) !!}<div class="form-body"><div class="form-group"><label class="control-label col-md-3">Media</label><div class="col-md-4">{!!Form::file('media', $campusMedia->media, array('class' =>'form-control')) !!}<div class="form-body"><div class="form-group"><label class="control-label col-md-3">媒体类型</label><div class="col-md-4">{!!Form::select('media_type', $fileType, $campusMedia->media_type,array('placeholder' => 'Choose media type', 'class' => 'form-control')) !!}<span class="help-block">0:图片,1:视频,2:标志</span><div class="form-body"><div class="form-group"><label class="control-label col-md-3">描述</label><div class="col-md-4">{!!Form::textarea('description', $campusMedia->description, array('class' => 'form-control', 'placeholder' => 'Campus Media Description', 'rows' => 3)) !!}<div class="form-body"><div class="form-group"><label class="control-label col-md-3">状态</label><div class="col-md-4">{!!Form::select('status', $status, $campusMedia->status,array('placeholder' => 'Choose status', 'class' => 'form-control')) !!}<span class="help-block">0:不活动,1:活动</span><div class="form-body"><div class="form-group"><label class="control-label col-md-3">标签</label><div class="col-md-4">{!!Form::text('tags', $campusMedia->tags, array('class' => 'form-control', 'placeholder' => 'Campus Media Tags')) !!}<div class="form-actions"><div class="row"><div class="col-md-offset-3 col-md-9"><input type="submit" name="save" class="btn btn-primary" value="Save"/><a href="{{ route('campus-media.index', $campusId) }}" class="btn btn-default">取消</表单>
这是我的控制器
class CampusMediaController 扩展控制器{//公共函数索引($campusId){$campusMedia = CampusMedia::ofCampus($campusId)->get();$数据 = ['校园媒体' =>$校园媒体,'校园ID' =>$campusId];return view('campus-media.index', $data);}公共函数添加($campusId){$campusMedia = 新的 CampusMedia;$数据 = ['校园媒体' =>$校园媒体,'校园ID' =>$campusId,'文件类型' =>CampusMedia::getMediaType(),'状态' =>CampusMedia::getStatus(),'formIs' =>'添加'];return view('campus-media.form', $data);}公共功能保存(请求 $request, $campusId){$this->validation($request);$post = $request->all();$fileName = $this->upload($request, $campusId);$campusMedia = $this->bindToObject($post, $fileName, $campusId);$campusMedia->save();return redirect()->route('campus-media.index', $campusId)->with('message','Item Succesfully added');}公共功能编辑($campusId,$id){$campusMedia = CampusMedia::find($id);$数据 = ['校园媒体' =>$校园媒体,'校园ID' =>$campusId,'文件类型' =>CampusMedia::getMediaType(),'状态' =>CampusMedia::getStatus(),'formIs' =>'编辑'];return view('campus-media.form', $data);}公共功能更新(请求 $request,$campusId,$id){$this->validation($request);$post = $request->all();$fileName = $this->upload($request, $campusId);$campusMedia = $this->bindToObject($post, $fileName,$campusId,$id);$campusMedia->save();return redirect()->route('campus-media.index', $campusId)->with('message','项目更新成功');}公共函数上传($request, $campusId){$this->validate($request, ['媒体' =>'哑剧:png,jpeg,mp4,avi,mpeg,flv,m4v']);if($request->input('media_type') == 0){$type = "图片";}elseif($request->input('media_type') == 1){$type = "视频";}别的{$type = "标志";}$file = $request->file('media');如果(is_null($文件))返回空;$ext = $file->getClientOriginalExtension();$fileName = sprintf('%s-%s-%s.%s',$campusId,$类型,时间(),$ext);$upload = config('app.upload_path').'/campus/'.$campusId;$file->move($upload,$fileName);返回 $ 文件名;}公共函数删除($campusId,$id){$campusMedia = CampusMedia::find($id);$campusMedia->delete();return redirect()->route('campus-media.index', $campusId)->with('message','项目删除成功');}私有函数验证($request){$this->validate($request, ['媒体' =>'必需的']);}私有函数 bindToObject($post, $fileName,$campusId,$id=null){if(is_null($id)){$campusMedia = 新的 CampusMedia;} 别的 {$campusMedia = CampusMedia::find($id);}$campusMedia->campus_id = $campusId;$campusMedia->title = $post['title'];$campusMedia->media = $fileName;$campusMedia->media_type = $post['media_type'];$campusMedia->description = $post['description'];$campusMedia->status = $post['status'];$campusMedia->tags = $post['tags'];返回 $campusMedia;}
}
我希望有人能帮我解决这个问题,我对上传文件很陌生.
解决方案
您将一个对象作为第二个参数传递给 Form::file,它需要是一个数组.
试试这个:
<代码>{!!Form::file('media', array('class' =>'form-control')) !!}
I'm getting a illegal string offset when I want to edit a value for my table, but it can add a new value when I try to add a new one. If I comment out the form::file
part of my form, it can return the view
so i'm guessing the problem is somewhere over there.
And here is my controller
}
I was hoping someone could help me with this, i rather new in upload files.
解决方案
You are passing an object as second parameter to Form::file and it need be an array.
Try this:
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