issues如果标题为空需要弹框报错

app/controllers/issues_controller.rb

@@ -219,7 +219,7 @@ class IssuesController < ApplicationController
     @issue.save_attachments(params[:attachments] || (params[:issue] && params[:issue][:uploads]))
     saved = false
     begin
-      saved = @issue.save_issue_with_child_records(params, @time_entry)
+      @saved = @issue.save_issue_with_child_records(params, @time_entry)
     rescue ActiveRecord::StaleObjectError
       @conflict = true
       if params[:last_journal_id]
@@ -228,7 +228,7 @@ class IssuesController < ApplicationController
       end
     end
 
-    if saved
+    if @saved
       #修改界面增加跟踪者
       watcherlist = @issue.watcher_users
       select_users = []
@@ -265,6 +265,8 @@ class IssuesController < ApplicationController
       end
     else
       respond_to do |format|
+
+        format.js
         format.html { render :action => 'edit' }
         format.api  { render_validation_errors(@issue) }
       end

app/views/issues/update.js.erb

@@ -1,3 +1,4 @@
+<% if @saved %>
 $("#issue_detail").replaceWith('<%= escape_javascript(render :partial => 'issues/detail') %>')
 $("#issue_edit").replaceWith('<%= escape_javascript(render :partial => 'issues/edit') %>')
 $("#issue_detail").show();
@@ -17,4 +18,6 @@ issue_desc_editor = KindEditor.create('#issue_description',
             "allowFileManager":true,
             "uploadJson":"/kindeditor/upload",
             "fileManagerJson":"/kindeditor/filemanager"});
-
+<%else%>
+    alert('<%=  @issue.errors.full_messages[0].to_s%>')
+<%end %>