function CookieClass()
{
this.expires = 0 ; //有效时间,以分钟为单位 
this.path = ""; //设置访问路径 
this.domain = ""; //设置访问主机 
this.secure = false; //设置安全性

this.setCookie = function(name,value)
{ 
   var str = name+"="+escape(value); 
   if (this.expires>0)
   { 
    //如果设置了过期时间 
    var date=new Date(); 
    var ms=this.expires * 60 * 1000; //每分钟有60秒，每秒1000毫秒 
    date.setTime(date.getTime()+ms); 
    str+="; expires="+date.toGMTString(); 
   } 
  
   if(this.path!="")str+="; path="+this.path; //设置访问路径 
   if(this.domain!="")str+="; domain="+this.domain; //设置访问主机 
   if(this.secure!="")str+="; true"; //设置安全性

   document.cookie=str; 
}

this.getCookie=function(name)
{ 
   var cookieArray=document.cookie.split("; "); //得到分割的cookie名值对 
   var cookie=new Object(); 
   for(var i=0;i<cookieArray.length;i++)
   { 
    var arr=cookieArray[i].split("="); //将名和值分开 
    if(arr[0]==name)return unescape(arr[1]); //如果是指定的cookie，则返回它的值 
   } 
   return ""; 
}

this.deleteCookie=function(name)
{ 
   var date=new Date(); 
   var ms= 1 * 1000; 
   date.setTime(date.getTime() - ms); 
   var str = name+"=no; expires=" + date.toGMTString(); //将过期时间设置为过去来删除一个cookie 
   document.cookie=str; 
}

this.showCookie=function()
{ 
   alert(unescape(document.cookie)); 
}
}
// productId:产品ID，productName：产品名称，productMPrice:产品市场价格，productPrice：本店价格,num:数量
function addProduct(cookie,productId,productName,productMPrice,productPrice,num){
	var ishas=true;
	var key=cookie.getCookie("key");
	var keyArray=cookie.getCookie("key").split(",");
	for(var i=0;i<keyArray.length;i++){
		if(keyArray[i]==productId){
			ishas=false;
		}
	}
	if(ishas){
	key+=","+productId;
	}
	cookie.setCookie("key",key);
	var product=cookie.getCookie(productId);
	if(product==""){
	var str="[{productId:'"+productId+"',productName:'"+productName+"',productMPrice:'"+productMPrice+"',productPrice:'"+productPrice+"',num:'"+num+"'}]";
	cookie.setCookie(productId,str);
	}else{
		var totalNum=parseInt(eval(product)[0].num);
		if(totalNum==0){
			var str="[{productId:'"+productId+"',productName:'"+productName+"',productMPrice:'"+productMPrice+"',productPrice:'"+productPrice+"',num:'1'}]";
		}else{
			var str="[{productId:'"+productId+"',productName:'"+productName+"',productMPrice:'"+productMPrice+"',productPrice:'"+productPrice+"',num:'"+totalNum+"'}]";
		}
		
		cookie.setCookie(productId,str);
	}
}
function delProduct(cookie,productId){
	var keyArray=cookie.getCookie("key").split(",");
	for(var i=1;i<keyArray.length;i++){
		if(keyArray[i]==productId){
			for(var j=i;j<keyArray.length;j++){
				if(j<keyArray.length-1){
				keyArray[j]=keyArray[j+1];
				}
			}
		}
	}
	keyArray.length=keyArray.length-1;
	var key="1";
	for(var i=1;i<keyArray.length;i++){
		key+=","+keyArray[i];
	}
	cookie.setCookie("key",key);
	cookie.deleteCookie(productId);
}
function editProduct(cookie,productId,num){
	var product=cookie.getCookie(productId);
	var str="[{productId:'"+eval(product)[0].productId+"',productName:'"+eval(product)[0].productName+"',productMPrice:'"+eval(product)[0].productMPrice+"',productPrice:'"+eval(product)[0].productPrice+"',num:'"+num+"'}]";
	cookie.setCookie(productId,str);
}
function showProducts(cookie){
	var keyArray=cookie.getCookie("key").split(",");
	var datas=[];
	for(var i=1;i<keyArray.length;i++){
		var product={productId:"'"+eval(cookie.getCookie(keyArray[i]))[0].productId+"'",productName:"'"+eval(cookie.getCookie(keyArray[i]))[0].productName+"'",productMPrice:"'"+eval(cookie.getCookie(keyArray[i]))[0].productMPrice+"'",productPrice:"'"+eval(cookie.getCookie(keyArray[i]))[0].productPrice+"'",num:"'"+eval(cookie.getCookie(keyArray[i]))[0].num+"'"};
		datas.push(product);
	}
	return datas;

}

function addBrower(cookie,productId,productName,productMPrice,productPrice){
	var ishas=true;
	var browerkey=cookie.getCookie("browerkey");
	var keyArray=cookie.getCookie("browerkey").split(",");
	for(var i=0;i<keyArray.length;i++){
		if(keyArray[i]==productId){
			ishas=false;
		}
	}
	if(ishas){
	browerkey+=","+productId;
	}
	cookie.setCookie("browerkey",browerkey);
	var product=cookie.getCookie(productId);
	if(product==""){
	var str="[{productId:'"+productId+"',productName:'"+productName+"',productMPrice:'"+productMPrice+"',productPrice:'"+productPrice+"',num:'0'}]";
	cookie.setCookie(productId,str);
	}else{
		var totalNum=parseInt(eval(product)[0].num);
		var str="[{productId:'"+productId+"',productName:'"+eval(product)[0].productName+"',productMPrice:'"+eval(product)[0].productMPrice+"',productPrice:'"+eval(product)[0].productPrice+"',num:'"+totalNum+"'}]";
		cookie.setCookie(productId,str);
	}
}
function showBrowers(cookie){
	var keyArray=cookie.getCookie("browerkey").split(",");
	var datas=[];
	for(var i=1;i<keyArray.length;i++){
		var product={productId:"'"+eval(cookie.getCookie(keyArray[i]))[0].productId+"'",productName:"'"+eval(cookie.getCookie(keyArray[i]))[0].productName+"'"};
		datas.push(product);
	}
	return datas;
}

function addCollection(cookie,productId){
	var ishas=true;
	var collectionkey=cookie.getCookie("collectionkey");
	var keyArray=cookie.getCookie("collectionkey").split(",");
	for(var i=0;i<keyArray.length;i++){
		if(keyArray[i]==productId){
			ishas=false;
		}
	}
	if(ishas){
	collectionkey+=","+productId;
	}
	cookie.setCookie("collectionkey",collectionkey);
	escape(cookie);
}
function showCollections(cookie){
	var keyArray=cookie.getCookie("collectionkey").split(",");
	return keyArray;
}