cookie操作的封装常用判断方法的封装代码,JS代码库,德仔网

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【JS】 cookie操作的封装常用判断方法的封装

作者:subying / 发布于2013/5/6/ 688

cookie操作的封装，常用判断方法的封装


	'use strict';//启用严格模式
	var oap={},obj_type={},core_toString=obj_type.toString,hasOwn = obj_type.hasOwnProperty;;
	var type_arr = "Boolean Number String Function Array Date RegExp Object Error".split(" ");
	for(var i in type_arr){
	 obj_type[ "[object " + type_arr[i] + "]" ] = type_arr[i].toLowerCase();
	};

	//常用工具 判断方法 对象
	oap={
	 type:function(obj){
	 if ( obj == null ) {
	 return String( obj );
	 }
	 return (typeof obj === "object" || typeof obj === "function")?(obj_type[ core_toString.call(obj) ] || "object") :typeof obj;
	 },
	 isStr:function(obj){
	 return oap.type(obj)==="string";
	 },
	 isFn:function(obj){
	 return oap.type(obj)==="function";
	 },
	 isObj:function(obj){
	 return oap.type(obj) === "object";
	 },
	 isDate:function(obj){
	 return oap.type(obj) === "date";
	 },
	 isEmptyObj:function(obj){
	 var name;
	 for ( name in obj ) {
	 return false;
	 }
	 return true;
	 },
	 isNum:function(obj){
	 return !isNaN( parseFloat(obj) ) && isFinite( obj );
	 },
	 isArr:function(obj){
	 return oap.type(obj) === "array";
	 },
	 trim:function(obj){
	 return obj.replace(/^\s+|\s+$/g, "");
	 },
	 now:function(){
	 return new Date().getTime();
	 },
	 log:function(str){
	 if(console && console.log){
	 console.log(str);
	 }
	 }
	};
	var _cookie = {
	 set:function(name, value){
	 var expires = (arguments.length > 2) ? arguments[2] : null,strExpires = "";
	 if(expires && oap.isDate(expires)){
	 strExpires = "; expires=" + expires.toGMTString();
	 }else if(expires && oap.isObj(expires)){
	 var nD = oap.now(),
	 nObj = {
	 day:0,hours:0,minutes:0,seconds:0
	 },
	 dArr={
	 secondes:1000,
	 minutes:1000*60,
	 hours:1000*60*60,
	 day:1000*60*60*24
	 },
	 _val;
	 nObj = oap.extend(nObj,expires);
	 for(var n in expires){
	 _val = nObj[n];
	 if(oap.isNum(_val) && _val>0){
	 nD = nD + _val * dArr[n];
	 }
	 }
	 if(oap.isNum(nD) && nD>0){
	 nD = new Date(nD);
	 strExpires = "; expires=" + nD.toGMTString();
	 }
	 }else{
	 strExpires = "";
	 }

	 document.cookie = name + "=" + encodeURIComponent(value) + strExpires + ";path=/" ;
	 },
	 get:function(name){
	 var value = document.cookie.match(new RegExp("(^| )" + name + "=([^;]*)(;|$)"));
	 if (value != null) {
	 return decodeURIComponent(value[2]);
	 } else {
	 return null;
	 }
	 },
	 remove:function(name){
	 var expires = new Date();
	 expires.setTime(expires.getTime() - 1000 * 60);
	 this.set(name, "", expires);
	 }
	};

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