jQuery UI dialog 隐藏默认关闭按钮

 1 var O_dialog = $("#dialog-modal");

 2         O_dialog.dialog({

 3             closeOnEscape: false,

 4             width: 250,

 5             height: 80,

 6             resizable: false,

 7             draggable: false,

 8             modal: true,

 9             title: "正在加载，请稍候...",

10             //隐藏默认的关闭按钮

11             open: function (event, ui) {

12                 $(".ui-dialog-titlebar-close", $(this).parent()).hide();

13             }

14         });