will_paginate的AJAX分页
will_paginate接受一个renderer参数,默认是WillPaginate::LinkRenderer，更好的做法是subclass一个AjaxLinkRenderer，这样不需要修改它的源代码，在做plugin升级的时候会很方便。Views
showgrades。rhtml
<div id ="gradedatas"><div id="gradelistdata"> <% @grades = Grade.paginate_for_showgrade(params[:page]||1) %> <%=render :partial => "grade_list", :locals => {:grades => @grades}%></div><div class="huofa-ly-more"> <%= will_paginate @grades, { :renderer => 'AjaxLinkRenderer', :update => 'gradedatas', （要更新的div，要把will_paginate包括进去） :url => '/grades/ajax_paginate', :create => 'create();', :complete => 'complete();'}%></div></div>事发当时
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