//添加商品的时候上传图片，当编辑商品的时候，要把图片也显示出来，做法为下便的if判断，如果当前编辑的商品有images的路径，则赋值 绝对路径。

//代码中有个$data['images']  $data为当前商品的数据，$data['images']为当前商品存入数据库的图片路径

$("#kv-explorer").fileinput({
       'theme': 'fa',     language: 'zh',     uploadUrl: "{
   { route('uploadImg','brand') }}",     deleteUrl: "{
   { route('deleteImg') }}",     allowedFileExtensions: ['jpg', 'jpeg', 'gif', 'png'],     overwriteInitial: false,     initialPreviewAsData: true,     maxFileCount: 1,     uploadExtraData: {"_token": "{
   { csrf_token() }}"},     deleteExtraData: {"_token": "{
   { csrf_token() }}"},     initialPreview: [         @if($data['images'])                 "http://" + "{
   { $data['images'] }}",         @endif     ],     initialPreviewConfig: [             @if($data['images'])         {
               key: "{
   { $data['images'] }}"         },         @endif     ], }).on('fileuploaded', function (event, data, key) {
       $('form').append(''); }).on('filepredelete', function () {
       $(":input[name='images']").remove(); }).on('filesuccessremove', function () {
       $(":input[name='images']").remove(); });