easyui 扩展loading

(function () { $.extend($.fn.tabs.methods, { //显示遮罩 loading: function (jq, ms

(function () {      $.extend($.fn.tabs.methods, {          //显示遮罩          loading: function (jq, msg) {              return jq.each(function () {                  var panel = $(this).tabs("getSelected");                  if (msg == undefined) {                      msg = "正在加载数据...";                  }                  $("<div class=/"datagrid-mask/"></div>").css({ display: "block", width: panel.width(), height: panel.height() }).appendTo(panel);                  $("<div class=/"datagrid-mask-msg/"></div>").html(msg).appendTo(panel).css({ display: "block", left: (panel.width() - $("div.datagrid-mask-msg", panel).outerWidth()) / 2, top: (panel.height() - $("div.datagrid-mask-msg", panel).outerHeight()) / 2 });              });          }  ,          //隐藏遮罩          hide: function (jq) {              return jq.each(function () {                  var panel = $(this).tabs("getSelected");                  panel.find("div.datagrid-mask-msg").remove();                  panel.find("div.datagrid-mask").remove();              });          }      });  })(jQuery); 

调用：

显示遮罩：$("#tab").tabs("loading",msg) msg--要显示的信息隐藏遮罩：$("#tab").tabs("hide")