<script type="text/javascript">

         $.extend({

             testgogo: function (options) {

                 var defaults = {

                     name:"Charles",

                     year:"22",

                     say:"Sandy is so beautiful!"

                 };

                 var opts = $.extend(defaults, options);

                 alert(defaults.name+"说："+defaults.say);

             }

         });

         $.testgogo({  });

     </script>