如何从javascript获取cookie值并通过PHP设置它？

Question

我是cookie操作的新手

Answer 1

这适用于Javascript:

  function createCookie( name,value,days) 
    {
        if ( days) 
        {
            var date = new Date( );
            date.setTime( date.getTime( )+( days*24*60*60*1000));
            var expires = "; expires="+date.toGMTString( );
        }
        else var expires = "";
        document.cookie = name+"="+value+expires+"; path=/";
    }

    function readCookie( name) 
    {
        var nameEQ = name + "=";
        var ca = document.cookie.split( ';');
        for( var i=0;i < ca.length;i++) 
        {
            var c = ca[i];
            while ( c.charAt( 0)==' ') c = c.substring( 1,c.length);
            if ( c.indexOf( nameEQ) == 0) return c.substring( nameEQ.length,c.length);
        }
        return null;
    }

    function eraseCookie( name) 
    {
        createCookie( name,"",-1);
    }

这对于php,setcookie