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[转]如何设计权限管理模块
我们比较常见的就是基于角色的访问控制，用户通过角色与权限进行关联。简单地说，一个用户拥有多个角色，一个角色拥有多个权限。这样，就构造成“用户-角色-权限”的授权模型。在这种模型中，用户与角色之间、角色与权限之间，通常都是多对多的关系。如下图：
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epan says:抢购场景下，一般限定一个人一台，结合业务来实现。 -
biguoyong says:
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Just One Pure ITer
我们比较常见的就是基于角色的访问控制，用户通过角色与权限进行关联。简单地说，一个用户拥有多个角色，一个角色拥有多个权限。这样，就构造成“用户-角色-权限”的授权模型。在这种模型中，用户与角色之间、角色与权限之间，通常都是多对多的关系。如下图：
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