layui多图上传实现删除功能的方法

<div class="layui-upload">
 <button type="button" class="layui-btn" id="test2">多图片上传</button>
 <blockquote class="layui-elem-quote layui-quote-nm" style="margin-top: 10px;width: 88%">
 预览图：
 <div class="layui-upload-list uploader-list" style="overflow: auto;" id="uploader-list">
 
 </div>
 </blockquote>
</div>

<style type="text/css">
 .uploader-list {
 margin-left: -15px;
 }
 
 .uploader-list .info {
 position: relative;
 margin-top: -25px;
 background-color: black;
 color: white;
 filter: alpha(Opacity=80);
 -moz-opacity: 0.5;
 opacity: 0.5;
 width: 100px;
 height: 25px;
 text-align: center;
 display: none;
 }
 
 .uploader-list .handle {
 position: relative;
 background-color: black;
 color: white;
 filter: alpha(Opacity=80);
 -moz-opacity: 0.5;
 opacity: 0.5;
 width: 100px;
 text-align: right;
 height: 18px;
 margin-bottom: -18px;
 display: none;
 }
 
 .uploader-list .handle i {
 margin-right: 5px;
 }
 
 .uploader-list .handle i:hover {
 cursor: pointer;
 }
 
 .uploader-list .file-iteme {
 margin: 12px 0 0 15px;
 padding: 1px;
 float: left;
 }
 </style>

upload.render({
 elem: '#test2'
 ,url: ''
 ,multiple: true
 ,before: function(obj){
 layer.msg('图片上传中...', {
 icon: 16,
 shade: 0.01,
 time: 0
 })
 }
 ,done: function(res){
 layer.close(layer.msg());//关闭上传提示窗口
 //上传完毕
 $('#uploader-list').append(
 '<div id="" class="file-iteme">' +
 '<div class="handle"><i class="layui-icon layui-icon-delete"></i></div>' +
 '<img style="width: 100px;height: 100px;" src='+ res.data.src +'>' +
 '<div class="info">' + res.data.title + '</div>' +
 '</div>'
 );
 }
 });

$(document).on("mouseenter mouseleave", ".file-iteme", function(event){
 if(event.type === "mouseenter"){
 //鼠标悬浮
 $(this).children(".info").fadeIn("fast");
 $(this).children(".handle").fadeIn("fast");
 }else if(event.type === "mouseleave") {
 //鼠标离开
 $(this).children(".info").hide();
 $(this).children(".handle").hide();
 }
 });

 // 删除图片
 $(document).on("click", ".file-iteme .handle", function(event){
 $(this).parent().remove(); 
 });

public function upload(){
 //exit(ROOT_PATH . 'public' . DS . 'uploads');
 // 获取表单上传文件 例如上传了001.jpg
 $file = request()->file('file');
 // 移动到框架应用根目录/public/uploads/ 目录下
 if($file){
 $info = $file->validate(['size'=>2097152,'ext'=>'jpg,png,gif'])->move(ROOT_PATH . 'public' . DS . 'uploads'); //限定2MB
 if($info){
 $src='./uploads/'.str_replace('\',"/",$info->getSaveName());
 $image = Image::open($src);
 $image->thumb(750, 750)->save($src);//压缩图片大小
 $res['code']=0;
 $res['msg']='上传成功！';
 $res['data']['src']='/uploads/'.str_replace('\',"/",$info->getSaveName());
 $res['data']['title']=$info->getFilename();
 }else{
 // 上传失败获取错误信息
 $res['code']=1;
 $res['msg']='上传失败！'.$file->getError();
 }
 return $res;
 }
 }