加强对chrome浏览器文件上传的支持

app/views/attachments/_form.html.erb

@@ -35,3 +35,5 @@
 <% content_for :header_tags do %>
   <%= javascript_include_tag 'attachments' %>
 <% end %>
+
+

public/javascripts/attachments.js

@@ -156,12 +156,12 @@ function uploadBlob(blob, uploadUrl, attachmentId, options) {
 }
 
 function addInputFiles(inputEl) {
-  var clearedFileInput = $(inputEl).clone().val('');
+   // var clearedFileInput = $(inputEl).clone().val('');
 
     if (inputEl.files) {
         // upload files using ajax
         uploadAndAttachFiles(inputEl.files, inputEl);
-    $(inputEl).remove();
+     //   $(inputEl).remove();
     } else {
         // browser not supporting the file API, upload on form submission
         var attachmentId;
@@ -172,7 +172,7 @@ function addInputFiles(inputEl) {
         }
     }
 
-  clearedFileInput.insertAfter('#attachments_fields');
+    //clearedFileInput.insertAfter('#attachments_fields');
 }
 
 function uploadAndAttachFiles(files, inputEl) {