项目issue，新建和编辑issue时，上传附件时，保存按钮不可点击

app/views/attachments/upload.js.erb

@@ -1,3 +1,6 @@
+$('#issue_confirm').removeAttr("disabled");
+$('#issue_confirm').css('background-color', '#3b94d6');
+$('#issue_confirm').css('cursor','pointer');
 var fileSpan = $('#attachments_<%= j params[:attachment_id] %>');
 <% if(!@attachment.nil? && @attachment.new_record?) %>
   fileSpan.hide();

app/views/issues/_form.html.erb

@@ -62,7 +62,8 @@
             <a href="javascript:void(0);" onclick="issueDetailShow();" class="sy_btn_grey mr5 fr" > 取消 </a>
           <% end %>
           <!--<a href="javascript:void(0);" class="sy_btn_blue mr5 fr"> 保存并继续</a>-->
-          <a href="javascript:void(0);" onclick="issue_desc_editor.sync();$('#issue-form').submit();" class="sy_btn_blue mr5 fr" id="issue_confirm"> 保存</a>
+          <!--<a href="javascript:void(0);" onclick="issue_desc_editor.sync();$('#issue-form').submit();" class="sy_btn_blue mr5 fr" id="issue_confirm"> 保存</a>-->
+          <input onclick="issue_desc_editor.sync();$('#issue-form').submit();" class="sy_btn_blue fr mr5" id="issue_confirm" style="width: 28px;color: #FFF" value="保存">
         </li>
       </ul>
       <ul class="fl pro_new_conbox_right ml10 mb10">

public/javascripts/attachments.js

@@ -91,6 +91,10 @@ function addFile_board(inputEl, file, eagerUpload, id,btnId) {
 function addFile(inputEl, file, eagerUpload,btnId) {
 
     var attachments_frame = '#attachments_fields';
+  //  $("#issue_confirm").attr('href', '#');
+    $('#issue_confirm').attr("disabled",true);
+    $('#issue_confirm').css('background-color','#c1c1c1');
+    $('#issue_confirm').css('cursor','default');
     if (true) {
         deleteallfiles = $(inputEl).data('deleteAllFiles');
         var attachmentId = addFile.nextAttachmentId++;

public/stylesheets/css/project.css

@@ -704,6 +704,21 @@ a.sy_btn_blue{
     -o-border-radius:3px;
     border-radius:3px;
 }
+input.sy_btn_blue{
+    display: inline-block;
+    color: #fff;
+    background: #3b94d6;
+    text-align: center;
+    font-size: 12px;
+    padding:0 15px;
+    height: 30px;
+    line-height: 30px;
+    -webkit-border-radius:3px;
+    -moz-border-radius:3px;
+    -o-border-radius:3px;
+    border-radius:3px;
+    cursor:pointer;
+}
 a:hover.sy_btn_blue{ background: #2788d0;}
 a.hw_btn_blue{
     display: inline-block;