jquery.hotkeys监听键盘按下事件keydown插件

                jQuery(document).bind(‘keydown’, ‘Ctrl+o’,function (evt){jQuery(‘#_Ctrl_o’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+p’,function (evt){jQuery(‘#_Ctrl_p’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+q’,function (evt){jQuery(‘#_Ctrl_q’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+r’,function (evt){jQuery(‘#_Ctrl_r’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+s’,function (evt){jQuery(‘#_Ctrl_s’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+t’,function (evt){jQuery(‘#_Ctrl_t’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+u’,function (evt){jQuery(‘#_Ctrl_u’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+v’,function (evt){jQuery(‘#_Ctrl_v’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+w’,function (evt){jQuery(‘#_Ctrl_w’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+x’,function (evt){jQuery(‘#_Ctrl_x’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+y’,function (evt){jQuery(‘#_Ctrl_y’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+z’,function (evt){jQuery(‘#_Ctrl_z’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Shift+a’,function (evt){jQuery(‘#_Shift_a’).addClass(‘dirty’); return false; });