                   case "next":
                       return ">";
                   case "last":
                       return ">>";
                   case "page":
                       return page;
               }
           },
           tooltipTitles: function (type, page, current) {
               switch (type) {
               case "first":
                   return "跳到首页";
               case "prev":
                   return "上一页";
               case "next":
       