laravel实现图片上传预览,及编辑时可更换图片,并实时变化的例子
人气:0首先先看下效果图
这是添加的时候 可以上传照片
这是编辑的时候 可以修改照片
代码部分:
先看控制器:
/*** * 添加商户 * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View */ public function add() { $data = null; return _view('admin.merchant.merchant.edit', compact('data')); } /*** * 添加商户 * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View */ public function store(StoreMenchantRequest $request) { //判断手机号是否重复 重复不能添加 //后面开发可能会去掉这个判断 $merchant = Merchant::where('mobile', $request->mobile)->first(); if (!empty($merchant)) { return back()->withErrors('该用户已存在'); } $token = str_random(60); $api_token = $this->getToken($token); $newMerchantData = [ 'mobile' => $request->mobile, 'api_token' => $api_token, ]; DB::beginTransaction(); $newMerchant = Merchant::create($newMerchantData); $newData = [ 'merchant_id' => $newMerchant->id,//Merchantid 'merchant_principal' => $request->merchant_principal,//负责人 'merchant_name' => $request->merchant_name,//商家名称 'merchant_short_name' => $request->merchant_short_name,//商家简称 'merchant_address' => $request->merchant_address,//商家地址 'business_num' => $request->business_num,//注册号 'business_address' => $request->business_address,//营业地址 'business_name' => $request->business_name,//营业执照名称 'business_person' => $request->person,//营业执照法人 'identity_name' => $request->person,//SFZ姓名 'identity_num' => $request->identity_num,//SFZ号 ]; //上传缩略图 $input = $request->all(); if (isset($input['file']) && is_object($input['file'])) { $file_name = save_image_file($input['file'], 'merchant_infos'); if (!$file_name) { return back()->with('msg', '图片上传失败,请重试!'); } // dd($file_name); $input['thumbnail'] = $file_name; unset($input['_token']); unset($input['file']); } else { return back()->with('msg', '请上传图片'); } //上传内景图1 if (isset($input['image1']) && is_object($input['image1'])) { $file_name_1 = save_image_file($input['image1'], 'merchant_infos'); if (!$file_name_1) { return back()->with('msg', '图片上传失败,请重试!'); } $input['interior_figure_one'] = $file_name_1; unset($input['_token']); unset($input['image1']); } else { return back()->with('msg', '请上传图片'); } //上传内景图2 if (isset($input['image2']) && is_object($input['image2'])) { $file_name_2 = save_image_file($input['image2'], 'merchant_infos'); if (!$file_name_2) { return back()->with('msg', '图片上传失败,请重试!'); } $input['interior_figure_two'] = $file_name_2; unset($input['_token']); unset($input['image2']); } else { return back()->with('msg', '请上传图片'); } //上传内景图3 if (isset($input['image3']) && is_object($input['image3'])) { $file_name_3 = save_image_file($input['image3'], 'merchant_infos'); if (!$file_name_3) { return back()->with('msg', '图片上传失败,请重试!'); } $input['interior_figure_three'] = $file_name_3; unset($input['_token']); unset($input['image3']); } else { return back()->with('msg', '请上传图片'); } $merchantInfo = MerchantInfo::where('merchant_id', $newMerchant->id)->first(); if (!empty($merchantInfo)) { return back()->withErrors('该用户已录入信息'); } $homestayInfo = HomestayInfo::where('merchant_id', $newMerchant->id)->first(); if (!empty($homestayInfo)) { return back()->withErrors('该用户已录入信息'); } //录入商户信息 $newData['thumbnail'] = $input['thumbnail']; $newData['interior_figure_one'] = $input['interior_figure_one']; $newData['interior_figure_two'] = $input['interior_figure_two']; $newData['interior_figure_three'] = $input['interior_figure_three']; $newData['content'] = $input['content']; $newMerchantInfo = MerchantInfo::create($newData); $newHomestayInfo = HomestayInfo::create($newData); if ($newMerchantInfo && $newHomestayInfo && $newMerchant) { DB::commit(); admin_action_logs($newMerchant, "添加商户成功"); return redirect()->route('admin.merchant.index')->with('msg', '添加成功'); } else { DB::rollback(); return back()->withErrors('添加失败,请联系管理员'); } }
这边封装了一个上传图片的方法,调用即可
** * 调用的文件中需要 use Illuminate\Support\Facades\Input; Illuminate\Support\Facades\Storage; * save_image_file 保存图片文件 ,存在Storage::disk('uploads') 目录下 * @var $file object 上传的图片文件,具体是在 request 中的 UploadedFile 类型的对象 * @var $prefix_name string 可选保存的文件名前缀 * @var $path string 文件路径 * @return bool/string 如果通过验证 则返回在新的文件名 */ if (!function_exists('save_image_file')) { function save_image_file(&$file, $prefix_name = '', $path = 'serve') { $file = isset($file) ? $file : null; if ($file != null && $file->isValid()) { // 获取文件相关信息 $originalName = $file->getClientOriginalName(); // 文件原名 $ext = $file->getClientOriginalExtension(); // 扩展名 //dd($ext); $file->getClientOriginalName(); if ($ext == "" && $file->getClientOriginalName() == 'blob') { $ext = 'png'; } if (!preg_match('/jpg|png|gif$/is', $ext)) { return false; } //dd($file->getRealPath()); $realPath = $file->getRealPath(); //临时文件的绝对路径 $type = $file->getClientMimeType(); // image/jpeg // 上传文件 $filename = $prefix_name . '-' . date('Y-m-d-H-i-s') . '-' . uniqid() . '.' . $ext; //dd($filename); $bool = Storage::disk($path)->put($filename, file_get_contents($realPath)); if (!$bool) return false; return $filename; } return false; } }
接下来是编辑时候 显示已经上传的图片 并且可以进行修改:
<div class="row"> <div class="col-lg-6 col-sm-8 col-xs-12"> <div class="panel panel-default"> {{ Form::open(['method'=>'post','route' => ['admin.merchant.add_img_store'],'enctype'=>'multipart/form-data']) }} <div class="panel-heading">商户图片</div> <div class="panel-body"> <input type="hidden" name="id" value="{{$data->id}}"> <div class=" form-group"> <?php $hasUrl = old_or_new_field('thumbnail', $data); ?> <div class="form-group {{!$hasUrl or 'has-error'}} has-feedback"> <label class="control-label" for="file"> <span class="font-red">*</span> <span>缩略图:</span> <span class="font-gray">(宽高为120px:120px):</span> </label> <div class="input-group"> @if( $hasUrl ) <input type="file" class="file-preview form-control" name="file" id="file" accept="image/*" value="{{ old_or_new_field('thumbnail',$data) }}"> @else <input type="file" class="file-preview form-control validate" name="file" required id="file" accept="image/*" value="{{ old_or_new_field('thumbnail',$data) }}"> @endif </div> </div> <div class="file-preview-wrap"> <img @if( old_or_new_field('thumbnail',$data) ) src="{{asset('storage/serve').'/'.old_or_new_field('thumbnail',$data)}}" data-src="{{ asset('storage/serve'.old_or_new_img('thumbnail', $data, false))}}" @else src="{{asset('storage/serve').'/'. (isset($data->merchantInfo->thumbnail)?$data->merchantInfo->thumbnail:' ')}}" data-src="{{ asset('storage/serve').'/'. (isset($data->merchantInfo->thumbnail)?$data->merchantInfo->thumbnail:' ')}}" @endif id="file-preview" class="img-thumbnail" alt="图片预览" data-magnify="gallery"> </div> </div> <div> <?php $hasUrl = old_or_new_field('interior_figure_one', $data); ?> <div class="form-group {{!$hasUrl or 'has-error'}} has-feedback"> <label class="control-label" for="file"> <span class="font-red">*</span> <span>内景图1:</span> <span class="font-gray">(宽高为375px:200px):</span> </label> <div class="input-group"> @if( $hasUrl ) <input type="file" class="file-preview-second form-control" name="image1" id="image1" accept="image/*" value="{{ old_or_new_field('interior_figure_one',$data) }}"> @else <input type="file" class="file-preview-second form-control validate" name="image1" required id="image1" accept="image/*" value="{{ old_or_new_field('interior_figure_one',$data) }}"> @endif </div> </div> <div class="file-preview-wrap"> <img @if( old_or_new_field('interior_figure_one',$data) ) src="{{asset('storage/serve').'/'.old_or_new_field('interior_figure_one',$data)}}" data-src="{{ asset('storage/serve'.old_or_new_img('interior_figure_one', $data, false))}}" @else src="{{asset('storage/serve').'/'.(isset($data->merchantInfo->interior_figure_one)?$data->merchantInfo->interior_figure_one:'')}}" data-src="{{ asset('storage/serve').'/'.(isset($data->merchantInfo->interior_figure_one)?$data->merchantInfo->interior_figure_one:'')}}" @endif width="375px" height="200px" id="file-preview-second" class="img-thumbnail" alt="图片预览" data-magnify="gallery"> </div> </div> <div > <?php $hasUrl = old_or_new_field('interior_figure_two', $data); ?> <div class="form-group {{!$hasUrl or 'has-error'}} has-feedback"> <label class="control-label" for="file"> <span class="font-red">*</span> <span>内景图2:</span> <span class="font-gray">(宽高为375px:200px):</span> </label> <div class="input-group"> @if( $hasUrl ) <input type="file" class="file-preview-third form-control" name="image2" id="image2" accept="image/*" value="{{ old_or_new_field('interior_figure_two',$data) }}"> @else <input type="file" class="file-preview-third form-control validate" name="image2" required id="image2" accept="image/*" value="{{ old_or_new_field('interior_figure_two',$data) }}"> @endif </div> </div> <div class="file-preview-wrap"> <img @if( old_or_new_field('interior_figure_two',$data) ) {{--src="{{route('Img.uploads.file',[old_or_new_field('url',$data)])}}"--}} src="{{asset('storage/serve').'/'.old_or_new_field('interior_figure_two',$data)}}" data-src="{{ asset('storage/serve'.old_or_new_img('interior_figure_two', $data, false))}}" @else src="{{asset('storage/serve').'/'.(isset($data->merchantInfo->interior_figure_two)?$data->merchantInfo->interior_figure_two:'')}}" data-src="{{ asset('storage/serve').'/'.(isset($data->merchantInfo->interior_figure_two)?$data->merchantInfo->interior_figure_two:'')}}" @endif width="375px" height="200px" id="file-preview-third" class="img-thumbnail" alt="图片预览" data-magnify="gallery"> </div> </div> <div> <?php $hasUrl = old_or_new_field('interior_figure_three', $data); ?> <div class="form-group {{!$hasUrl or 'has-error'}} has-feedback"> <label class="control-label" for="file"> <span class="font-red">*</span> <span>缩略图3:</span> <span class="font-gray">(宽高为375px:200px):</span> </label> <div class="input-group"> @if( $hasUrl ) <input type="file" class="file-preview-forth form-control" name="image3" id="image3" accept="image/*" value="{{ old_or_new_field('interior_figure_three',$data) }}"> @else <input type="file" class="file-preview-forth form-control validate" name="image3" required id="image3" accept="image/*" value="{{ old_or_new_field('interior_figure_three',$data) }}" > @endif </div> </div> <div class="file-preview-wrap"> <img @if( old_or_new_field('interior_figure_three',$data) ) {{--src="{{route('Img.uploads.file',[old_or_new_field('url',$data)])}}"--}} src="{{asset('storage/serve').'/'.old_or_new_field('interior_figure_three',$data)}}" data-src="{{ asset('storage/serve'.old_or_new_img('interior_figure_three', $data, false))}}" @else src="{{asset('storage/serve').'/'.(isset($data->merchantInfo->interior_figure_three)?$data->merchantInfo->interior_figure_three:'')}}" data-src="{{ asset('storage/serve').'/'.(isset($data->merchantInfo->interior_figure_three)?$data->merchantInfo->interior_figure_three:'')}}" @endif width="375px" height="200px" id="file-preview-forth" class="img-thumbnail" alt="图片预览" data-magnify="gallery"> </div> </div> </div> <div class="text-center margin-bottom-sm"> <button class="pretty-btn"> 编辑商户</button> </div> {{ Form::close() }} </div> </div> </div>
编辑这边 的控制器代码是:
/*** * 添加图片 * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View */ public function add_img() { $data = null; return _view('admin.merchant.merchant.add', compact('data')); } /*** * 保存图片 * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View */ public function add_img_store(Request $request) { //上传缩略图 $input = $request->all(); if (isset($input['file']) && is_object($input['file'])) { $file_name = save_image_file($input['file'], 'merchant_infos'); if (!$file_name) { return back()->with('msg', '图片上传失败,请重试!'); } $input['thumbnail'] = $file_name; unset($input['_token']); unset($input['file']); } else { return back()->with('msg', '请上传图片'); } //上传内景图1 if (isset($input['image1']) && is_object($input['image1'])) { $file_name_1 = save_image_file($input['image1'], 'merchant_infos'); if (!$file_name_1) { return back()->with('msg', '图片上传失败,请重试!'); } $input['interior_figure_one'] = $file_name_1; unset($input['_token']); unset($input['image1']); } else { return back()->with('msg', '请上传图片'); } //上传内景图2 if (isset($input['image2']) && is_object($input['image2'])) { $file_name_2 = save_image_file($input['image2'], 'merchant_infos'); if (!$file_name_2) { return back()->with('msg', '图片上传失败,请重试!'); } $input['interior_figure_two'] = $file_name_2; unset($input['_token']); unset($input['image2']); } else { return back()->with('msg', '请上传图片'); } //上传内景图3 if (isset($input['image3']) && is_object($input['image3'])) { $file_name_3 = save_image_file($input['image3'], 'merchant_infos'); if (!$file_name_3) { return back()->with('msg', '图片上传失败,请重试!'); } $input['interior_figure_three'] = $file_name_3; unset($input['_token']); unset($input['image3']); } else { return back()->with('msg', '请上传图片'); } //录入商户信息 $merchang_info = MerchantInfo::where('merchant_id', '=', $input['id'])->first(); if (empty($merchang_info)) { $newData['thumbnail'] = $input['thumbnail']; $newData['merchant_id'] = $input['id']; $newData['interior_figure_one'] = $input['interior_figure_one']; $newData['interior_figure_two'] = $input['interior_figure_two']; $newData['interior_figure_three'] = $input['interior_figure_three']; $newData['content']=''; $result = MerchantInfo::create($newData); } /* $newData['thumbnail']=$input['thumbnail']; $newData['interior_figure_one']=$input['interior_figure_one']; $newData['interior_figure_two']=$input['interior_figure_two']; $newData['interior_figure_three']=$input['interior_figure_three']; // $newData['content']=$input['content']; $newMerchantInfo = MerchantInfo::create($newData);*/ else { $merchang_info->thumbnail = $input['thumbnail']??''; $merchang_info->interior_figure_one = $input['interior_figure_one']??''; $merchang_info->interior_figure_two = $input['interior_figure_two']??''; $merchang_info->interior_figure_three = $input['interior_figure_three']??''; $result = $merchang_info->save(); } if ($result) { DB::commit(); admin_action_logs($result, "编辑商户成功"); return redirect()->route('admin.merchant.index')->with('msg', '编辑成功'); } else { DB::rollback(); return back()->withErrors('编辑失败,请联系管理员'); } }
以上这篇laravel实现图片上传预览,及编辑时可更换图片,并实时变化的例子就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持。
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