cookie 路径设置,目录

function setCookie(sName,sValue,expireHours) {
    var cookieString = sName + "=" + escape(sValue)+";path=/" 
         var date = new Date();
         date.setTime(date.getTime + 24 * 3600 * 1000);
    if (expireHours>0) {

         cookieString = cookieString + "; expire=" + date.toGMTString() +";path=/" 
    }
    document.cookie = cookieString;
 

}

红色部份就是 cookie 的路径