upload.render({ elem: '#add_ppts' ,url: localStorage.getItem('url') + '/upload/upload/ppt_upload' ,accept: Function (obj){// var files = obj.pushFile(); var files = this.files = obj.pushFile(); console.log(files) obj.preview(function(index,file,result){ pt_name = file.name; var size = parseInt(file.size)/1024; size = size/1024; pt_size = size; },progress: function(e, percent) {console.log(" percent: "+ percent + '%'); element.progress('progressBar',percent + '%'); } ,done: function(res,index){ console.log(res) $("#fileName").val(res.data); var ppt_html = ''; ppt_html += '<li>'+ ' <h3 class="ppt_name"><img src=".. /.. /.. /layuiadmin/layui/images/ppt.png" alt=""><a href="">'+ pt_name +'</ a></h3>'+ ' <p class="ppt_size fl">'+ pt_size +'</p >'+ '<div class="fr"><button type="button" class="layui-btn layui-btn-sm" onclick="add_ppt()" Onclick ="del_ppt()"> delete </button></div>'+ '</li>'; $(".ppt_view").append(ppt_html); delete this.files[index]; }});Copy the code

The following code is the key