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php-登录与业务分离的两个系统之间如何保证Token有效

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Release： 2016-06-02 11:28:14
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目前设计一个系统 有个一个独立登录系统，登录成功回返回token作为令牌换取用户信息，但是系统的逻辑部分不能实时判断出来token是否有效，因为token是登录系统发放的，不去访问登录系统不会知道token是否过期，如果想实时知道token状态在两个系统之间创建一个验证接口，确实可以验证token是否过期 ，但是这样做太影响效率了，每次都要去登录系统验证token

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