javascript操作cookie笔记

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function Cookie(){// 保存数据到cookiethis.put = function (name,value){if((""+value).indexOf(";")!=-1){document.cookie = name+"="+escape(value.substring(0,value.indexOf(";")))+value.substring(value.indexOf(";"));}else{document.cookie = name+"="+escape(value);}};// 获取指定名称的cookie值this.get = function(name){return unescape(this.getAll()[name]);};// 获取本机所有cookie的集合this.getAll = function(){var _cache = {};var _cs = document.cookie;if(_cs){var _a = _cs.split("; ");// TODO 未验证各浏览器版本的规则是否一致for(var i=0; i<_a.length; i++){_cache[_a[i].substring(0,_a[i].indexOf("="))]=unescape(_a[i].substring(_a[i].indexOf("=")+1));}}return _cache;};// 删除指定名称的cookiethis.remove = function(name){this.setTimeout(name,-1);};//设置超时时间,单位毫秒this.setTimeout = function(name,ms){var reg = /(-)?\d*/;if(reg.test(ms)){var exp = new Date();exp.setTime(exp.getTime() + ms);this.put(name,this.get(name)+";expires="+exp.toGMTString());}}}