尝试实施ajax登录/注册过程(不带身份验证的刷新站点)。使用Cookie来保存状态。我以为我现在就拥有此功能，但是由于某种原因，浏览器在从服务器取回cookie后仍未设置cookie。有人可以帮忙吗？这是请求和响应头：

Request URL:http://api.site.dev/v1/login

Request Method:POST

Status Code:200 OK

请求标题

Accept:application/json, text/plain, */*

Accept-Charset:ISO-8859-1,utf-8;q=0.7,*;q=0.3

Accept-Encoding:gzip,deflate,sdch

Accept-Language:en-US,en;q=0.8

Connection:keep-alive

Content-Length:57

Content-Type:application/json;charset=UTF-8

Host:api.site.dev

Origin:http://site.dev

Referer:http://site.dev/

User-Agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_2) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.101 Safari/537.11

withCredentials:true

X-Requested-With:XMLHttpRequest

Request Payload

{"email":"calvinfroedge@gmail.com","password":"foobar"}

响应标题

Access-Control-Allow-Credentials:true

Access-Control-Allow-Headers:X-Requested-With, Content-Type, withCredentials

Access-Control-Allow-Methods:GET, POST, PUT, DELETE, OPTIONS

Access-Control-Allow-Origin:http://site.dev

Connection:Keep-Alive

Content-Length:19

Content-Type:application/json

Date:Tue, 08 Jan 2013 18:23:14 GMT

Keep-Alive:timeout=5, max=99

Server:Apache/2.2.22 (Unix) DAV/2 PHP/5.4.7 mod_ssl/2.2.22 OpenSSL/0.9.8r

Set-Cookie:site=%2B1THQQ%2BbZkEwTYFvXFVV5fxi00l2K%2B6fvt9SuHACTNsEwUGzDSUckt38ZeDsNbZSsqzHmPMWRLc84eDLZzh8%2Fw%3D%3D; expires=Thu, 10-Jan-2013 18:23:14 GMT; path=/; domain=.site.dev; httponly

X-Powered-By:PHP/5.4.7

我还在服务器返回的Chrome网络工具中看到了cookie：

响应Cookie

Name: site

Value: %2B1THQQ%2BbZkEwTYFvXFVV5fxi00l2K%2B6fvt9SuHACTNsEwUGzDSUckt38ZeDsNbZSsqzHmPMWRLc84eDLZzh8%2Fw%3D%3D

Domain: .site.dev

Path: /

Expires: Session

Size: 196

Http: ✓