socialforge/app/views/pull_requests/_pull_request_comments.html.erb

<div class="merge-discussion-input">
  <%= form_tag(url_for(:controller => 'pull_requests', :action => 'create_pull_request_comment', :project_id => @project.id), :id => 'pull_request_comment_form', :method => "post", :remote => true) do %>
      <textarea id="pull_request_comment" name="pull_request_comment"></textarea>
      <span id ="pr_comment_tip" class="fontGrey2 c_red" style="display: none">内容不能为空</span>
      <a href="javascript:void(0);" class="BlueCirBtn mt10" onclick="pull_request_commit()">提交请求</a>
  <% end %>
</div>
<% @comments.reverse.each do |comment| %>
    <div class="merge-discussion-content merge-discussion-automatic">
      <%= link_to comment.author.try(:username), user_path(get_user_by_login_and(comment.author.try(:username))), :class => "link-blue mr15 fl" %>
      <span class="fl fontGrey2"><%#= time_tag(comment.author.try(:created_at)) %>前</span>
      <div class="cl"></div>
      <div class="merge-discussion-detail"><%= comment.note %></div>
    </div>
<% end %>
<div style="text-align:center;">
  <div class="pages" style="width:auto; display:inline-block;">
    <ul  id="homework_pository_ref_pages">
      <%= pagination_links_full @pages, @count, :per_page_links => false, :remote => @is_remote, :flag => true, :is_new => true%>
    </ul>
    <div class="cl"></div>
  </div>
</div>

<script>
    function regex_pr_comment()
    {
        var comment = $.trim($("#pull_request_comment").val());
        if(comment.length == 0)
        {
            $("#pr_comment_tip").show();
            return false;
        }
        else
        {
            $("#pr_comment_tip").hide();
            return true;
        }
    }

    //提交pull request_comment
    function pull_request_commit()
    {
        if(regex_pr_comment())
        {
            $("#pull_request_comment_form").submit();
        }
    }
</script>