小编D.C*_*sti的帖子

我有这个样本:

链接

代码HTML:

<div class="dropzone dz-clickable" id="myDrop">
     <div class="dz-default dz-message" data-dz-message="">
          <span>Upload or drag patient photo here</span>
     </div>
</div>

代码JS:

 Dropzone.autoDiscover = false;
 var myDropzone = new Dropzone("div#myDrop", {
   addRemoveLinks: true,
   url: "#",
   maxFiles: 1,
   init: function() {

     this.on("maxfilesexceeded", function(file) {
       alert("You are not allowed to chose more than 1 file!");
       this.removeFile(file);

     });

     this.on("addedfile", function(file) {
       myDropzone.options.removefile.call(myDropzone, mockFile);
       //  I want to delete an existing element
     });

   }
 });

 var fileName = $('#profilePicture').val();
 var mockFile = {
   name: fileName,
   size: …