modify library

app/views/libraries/_form.html.erb

@@ -43,7 +43,7 @@
 
     <div class="operate mt20 mb20 clearfix">
       <%= link_to '确认提交', 'javascript:void(0)', class: 'white-btn edu-blueback-btn changebtn mr20 fl apply-publish-btn' %>
-      <%= f.submit('保存', class: 'white-btn edu-blueline-btn changebtn mr20 fl') %>
+      <%= link_to '保存', 'javascript:void(0)', class: 'white-btn edu-blueline-btn changebtn mr20 fl submit-btn' %>
     </div>
   <% end %>
 </div>
@@ -80,10 +80,32 @@
   });
 
   $(function(){
+    var submitForm = function(){
+      var title = $("input[name='library[title]']").val();
+      var content = $("textarea[name='library[content]']").val();
+
+      if (!title || title.length == 0) {
+        alert('请输入标题');
+        return
+      }
+      if (!content || content.length == 0) {
+        alert('请输入描述');
+        return
+      }
+
+      if($('.attachments_fields .attachment').length == 0){
+        alert('请上传附件');
+        return
+      }
+
+      $('.library-form-container form').submit();
+    };
+
     $('.apply-publish-btn').on('click', function(){
       $('input[name="apply_publish"]').val(true);
-      $('.library-form-container form').submit();
+      submitForm();
     });
+    $('.submit-btn').on('click', submitForm);
 
     var message = '<%= flash[:message] %>';
     if (message.length > 0) {