学步园

$(document).ready(function() {

        $('body').bind('keypress', function(e) {

        var code = (e.keyCode ? e.keyCode : e.which);

        if (code == 27) {

            SP.UI.ModalDialog.commonModalDialogClose(1, 'Submitted');

        }

    });

});

转载：http://www.cnblogs.com/wyjexplorer/archive/2012/06/11/2544957.html