通用键盘快捷键JS函数封装
使用时直接调用：
jQuery(document).bind('keydown', 'k',function (evt){
//此处写按快捷键执行的函数代码
});
完整代码如下：
/* * jQuery Hotkeys Plugin * Copyright 2010, John Resig * Dual licensed under the MIT or GPL Version 2 licenses. * * Based upon the plugin by Tzury Bar Yochay: * http://github.com/tzuryby/hotkeys * * Original idea by: * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/*/(function(jQuery){ jQuery.hotkeys = { version: "0.8", specialKeys: { 8: "backspace", 9: "tab", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause", 20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home", 37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del", 96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5", 102: "6", 103: "7", 104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: ".", 111 : "/", 112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8", 120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 191: "/", 224: "meta" }, shiftNums: { "`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&", "8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": "\"", ",": "<", ".": ">", "/": "?", "\\": "|" } }; function keyHandler( handleObj ) { // Only care when a possible input has been specified if ( typeof handleObj.data !== "string" ) { return; } var origHandler = handleObj.handler, keys = handleObj.data.toLowerCase().split(" "); handleObj.handler = function( event ) { // Don't fire in text-accepting inputs that we didn't directly bind to if ( this !== event.target && (/textarea|select/i.test( event.target.nodeName ) || event.target.type === "text") ) { return; } // Keypress represents characters, not special keys var special = event.type !== "keypress" && jQuery.hotkeys.specialKeys[ event.which ], character = String.fromCharCode( event.which ).toLowerCase(), key, modif = "", possible = {}; // check combinations (alt|ctrl|shift+anything) if ( event.altKey && special !== "alt" ) { modif += "alt+"; } if ( event.ctrlKey && special !== "ctrl" ) { modif += "ctrl+"; } // TODO: Need to make sure this works consistently across platforms if ( event.metaKey && !event.ctrlKey && special !== "meta" ) { modif += "meta+"; } if ( event.shiftKey && special !== "shift" ) { modif += "shift+"; } if ( special ) { possible[ modif + special ] = true; } else { possible[ modif + character ] = true; possible[ modif + jQuery.hotkeys.shiftNums[ character ] ] = true; // "$" can be triggered as "Shift+4" or "Shift+$" or just "$" if ( modif === "shift+" ) { possible[ jQuery.hotkeys.shiftNums[ character ] ] = true; } } for ( var i = 0, l = keys.length; i < l; i++ ) { if ( possible[ keys[i] ] ) { return origHandler.apply( this, arguments ); } } }; } jQuery.each([ "keydown", "keyup", "keypress" ], function() { jQuery.event.special[ this ] = { add: keyHandler }; });})( jQuery );
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