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document.cookie获取不到后端发回的cookie

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document.cookie获取不到后端发回的cookie

准备做个单点登录，两个项目域名分别是a.xxx.com, b.xxx.com

我把项目上线后，当一个项目登录过后，登录接口会返回cookie
image.png
并且在两个项目域名下也有相应的cookie
image.png
但是我取不到cookie(全局beforeRouteEnter里),无论是Cookie-js，还是document.cookie,

我需要根据access_token来判断是否登录，但无论如何都取不到cookie,这是什么原因呢？


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by (71.8m points)
  1. cookie域名和网页域名是否一致？
  2. cookie是否设置了path
  3. cookie是否设置了http only
  4. 可以看下过期时间是否正常

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