text: $(function () {
      $('#keyword').keypress(function (e) {
          var key = e.which; //e.which是按键的值
          if (key == 13) {
              var q = $(this).val();
              if (q && q != '') {
                  window.location.href = '/search?keyword=' + q;
              }
          }
      });
  });
  
  function search() {
      var q = $('#keyword').val();
      if (q && q != '') {
          window.location.href = '/search?keyword=' + q;
      }
  }