JavaScript Cookie

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function addCookie(name,value,expiresHours){

    var cookieString=name+"="+escape(value);

    //判断是否设置过期时间

    if(expiresHours>0){

        var date=new Date();

        date.setTime(date.getTime+expiresHours*3600*1000);

        cookieString = cookieString + "; expires=" + date.toGMTString() + ";path=/";

    }

    document.cookie=cookieString;

}

 

function getCookie(name){

    var strCookie=document.cookie;

    var arrCookie=strCookie.split(";");

    for(var i=0;i<arrCookie.length;i++){

        var arr=arrCookie[i].split("=");

        if (arr[0] == name)

            return arr[1];

    }

    return "";

}

 

function deleteCookie(name) {

    var date = new Date();

    date.setTime(date.getTime() - 10000);

    document.cookie = name + "=v; expires=" + date.toGMTString() + ";path=/";;

}