java 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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