cookie 最近浏览记录(中文escape转码)具体实现

/** 
*pro_id: 产品id  
*brand_name : 品牌 
*pro_name : 产品id  
*price : 价格 
* catalog : 机型 
* img : 图片 
*file_name : 文件名 
*/  
var addHistory=function(pro_id,brand_name,pro_name,price,catalog,img,file_name){   
    stringCookie=getCookie('history');  
    var stringHistory=""!=stringCookie?stringCookie:"{history:[]}";  
    var json=new JSON(stringHistory);  
    var pro_ids = '' ;  
    jQuery.each(json['history'],function(i,val){  
        pro_ids+=json['history'][i].pro_id+"," ;  
    }) ;  
    if(jQuery.trim(pro_id)=='' || pro_ids.indexOf(pro_id)==-1){  
            var e="{pro_id:"+pro_id+",brand_name:'"+brand_name+"',pro_name:'"+pro_name+"',price:'"+price+"',catalog:'"+catalog+"',img:'"+img+"',file_name:'"+file_name+"'}";  
            json['history'].push(e);   //添加一个新的记录  
            setCookie('history',json.toString(),30);  
    }  
}  
//显示历史记录  
var DisplayHistory=function(){  
    var p_ele=document.getElementById('history');  
     while (p_ele.firstChild) {  
      p_ele.removeChild(p_ele.firstChild);  
     }  

    var historyJSON=getCookie('history');  
    var json=new JSON(historyJSON);  
    var displayNum=6;  
    for(i=json['history'].length-1;i>=0;i--){  
        addLi(json['history'][i]['pro_id'],json['history'][i]['brand_name'],json['history'][i]['pro_name'],json['history'][i]['price'],json['history'][i]['catalog'],json['history'][i]['img'],json['history'][i]['file_name'],"history");  
        displayNum--;  
        if(displayNum==0){break;}  
    }  
}  
//添加一个cookie     
var addLi=function(pro_id,brand_name,pro_name,price,catalog,img,file_name,pid){  
    var a=document.createElement('a');  
    var href='/proDetail/'+file_name;  
    a.setAttribute('href',href);  
    a.setAttribute("target","_blank") ;  
    jQuery(a).html("<img src='"+unescape(img)+"' onerror="+"this.src='/images/nopic.gif'"+" width='90' height='50' /><h3> "+unescape(brand_name+pro_name+catalog)+"</h3><span class='price'>"+unescape(price)+"</span>") ;  
    var li=document.createElement('li');  
    li.appendChild(a);  
    jQuery(li).appendTo("#"+pid) ;  
}  
//添加cookie  
var setCookie=function(c_name,value,expiredays)  
{  
    var exdate=new Date()  
    exdate.setDate(exdate.getDate()+expiredays)  
    cookieVal=c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";path=/;expires="+exdate.toGMTString());  
    document.cookie=cookieVal;  
}  
//获取cookie  
function getCookie(c_name)  
{  
    if (document.cookie.length>0)  
      {  
      c_start=document.cookie.indexOf(c_name + "=")  
      if (c_start!=-1)  
        {   
        c_start=c_start + c_name.length+1   
        c_end=document.cookie.indexOf(";",c_start)  
        if (c_end==-1) c_end=document.cookie.length  
        return unescape(document.cookie.substring(c_start,c_end))  
        }   
      }  
    return ""  
}  
// 清除cookie   
function DeleteCookie(){  
     setCookie('history',"{history:[]}",30);  
}

var JSON = function(sJSON){  
 this.objType = (typeof sJSON);  
if(this.objType=='string' && ''==sJSON){  
      sJSON = '{history:[]}' ;  
}  
    this.self = [];  
    (function(s,o){  
        for(var i in o){  
            o.hasOwnProperty(i)&&(s[i]=o[i],s.self[i]=o[i])  
            };})(this,(this.objType=='string')?eval('0,'+sJSON):sJSON);  
}  
JSON.prototype = {  
    toString:function(){  
        return this.getString();  
    },  
    valueOf:function(){  
        return this.getString();  
    },  
    getString:function(){  
        var sA = [];  
        (function(o){  
            var oo = null;  
            sA.push('{');  
            for(var i in o){  
                if(o.hasOwnProperty(i) && i!='prototype'){  
                    oo = o[i];  
                    if(oo instanceof Array){  
                        sA.push(i+':[');  
                        for(var b in oo){  
                            if(oo.hasOwnProperty(b) && b!='prototype'){  
                                sA.push(oo[b]+',');  
                                if(typeof oo[b]=='object') arguments.callee(oo[b]);  
                            }  
                        }  
                        sA.push('],');  
                        continue;  
                    }else{  
                        sA.push(i+':\''+oo+'\',');  
                    }  
                    if(typeof oo=='object') arguments.callee(oo);  
                }  
            }  
            sA.push('},');  
        })(this.self);  
        return sA.slice(0).join('').replace(/\[object object\],/ig,'').replace(/,\}/g,'}').replace(/,\]/g,']').slice(0,-1);  
    },  
    push:function(sName,sValue){  
        this.self[sName] = sValue;  
        this[sName] = sValue;  
    }  
}

addHistory("<%=uuid%>",escape("<%=factoryname%>"),escape("<%=name%>"),escape("<%=price%>"),escape("<%=catalogname%>"),escape("<%=img%>"),escape("<%=file_name%>"));